Social volume - Twitter/Farcaster mention count for a token

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=DeFi APIs for AI agents. 36 pay-per-call endpoints for token data, pricing, wallet analytics, swap routing, and on-chain workflows. Powered by x402 on Base.


Japan public-data APIs for AI agents — kasanegi.com

Japan company candidate resolution from name (= 5-mode disambiguation). (JP Data Enrich). Source: gBizINFO + brand alias map.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Stop scraping Japanese government and public-data sites. Call clean Japan payroll, company, and grant APIs over one host. Preview free; one public marketplace listing covers all current products; x402 direct is available for agent-native buyers.

Good candidate for a first-dollar probe with receipt capture.


LimitGuard - Trust Intelligence for the Agent Economy

Reputation scoring with Bayesian trust decay analysis. Tracks entity trust over time with confidence intervals.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Real-time trust scoring for AI agents, businesses, and transactions. 8 data sources. One API call.


Multi-domain AI swarm delivering integrated business solutions across strategy, research, development & creative content. Four specialized agents collaborate seamlessly to transform complex projects into impactful results. | Powered by Questflow

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Create your AI Clone to trade across Polymarket, Pump.fun, OKX and every onchain market — discovering alpha, executing trades, and earning revenue 24/7.


Get the number of uncle blocks for a block specified by block number. Returns the uncle count as a hex string. SKALE chains don't have uncles, so this always returns 0x0. Useful for compatibility with Ethereum tools that expect this method.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AI Tools and MCP, APIs, and agents


FRED Search - Search FRED series database

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


Hirescrape — Pay-per-call scraper API for AI agents

Extract creator link-in-bio data from lnk.bio pages.

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-call web scrapers for AI agents. 28 tools across Reddit, 8-board job search (LinkedIn · Indeed · Glassdoor · Google Jobs · +5), TikTok · Douyin · Bilibili, cross-platform trend research, social media, and ad libraries. No API keys. Agent wallets settle USDC on Tempo or Base via x402 + MPP.


Get tweet retweeters by tweet id. Each page returns about 100 retweeters. Use cursor for pagination. Order by retweet time desc / Get tweet retweeters by tweet id. Each page returns about 100 retweeters. Use cursor for pagination. Order by retweet time desc

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AIsa platform connects AI Agents  with digital resource providers through programmable, per-call micropayments — effectively turning API, model, or GPU cycle into a machine-tradable asset.

Require human confirmation and platform-policy review.


Get the latest funding rate and APR for a specific Binance perp symbol

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Generated by create next app


X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Onchain loyalty protocol on Base L2. Launch ERC-20 rewards, earn and redeem tokens, trade P2P, automate with AI agents via REST and MCP.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=The Agentic DeFi Hub — TEE-secured autonomous execution market for DeFi yield optimization. NEAR AI Cloud TEE + NEAR Intent Settlement. Verified on 21+ chains incl. TRON & Solana.


Get tweet quotes by tweet id. Each page returns exactly 20 quotes. Use cursor for pagination. Order by quote time desc / Get tweet quotes by tweet id. Each page returns exactly 20 quotes. Use cursor for pagination. Order by quote time desc

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=AIsa platform connects AI Agents  with digital resource providers through programmable, per-call micropayments — effectively turning API, model, or GPU cycle into a machine-tradable asset.


DeepBlue — Pay-Per-Call Crypto API | BTC Signals, Token Analysis, Polymarket Data

Market mood â Fear/Greed index, regime detection, and per-asset directional bias

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=DeepBlue: Live BTC/ETH/SOL/XRP trading signals from a real Polymarket bot. Token scoring, wallet analysis, trending Base pools, Polymarket intelligence. From $0.001/call via x402 — no signup, no API key.


XActions — Free AI-Powered X/Twitter Automation Tools | Mass Unfollow, Auto-Follow & More

XActions AI API â profile:toggle-protected

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Free, open-source AI-powered X/Twitter automation tools. Works with Grok, GPT, Claude & MCP servers. Mass unfollow non-followers, auto-liker, growth suite. No API fees, 100% browser-based. The Twitter API alternative.


All ERC20 token balances with USD values for a Base address

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/ar/cedula)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Verifik identity & data APIs via Smart Agent (ai.verifik.co)—multi-country KYC, vehicles, companies, and global sanctions screening.

Verify source, legality, and consent before any paid call.


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/models/traits

Payment header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/models/compatibility_mapping


voidly — network intelligence built on trust

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Censorship measurement, predictive risk, and E2E encrypted communications. 2.2B+ measurements across 200 countries. Open API.


UK HM Land Registry sold property prices by postcode.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Top trending coins on CoinGecko right now

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-call financial intelligence API - 21 endpoints across crypto, stocks, forex, AI analysis, insider trading, and pharma catalysts.


List all DeFi protocols tracked by DeFi Llama with TVL, category, and chain info.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Returns trades across the entire blockchain, with optional filtering by block range or timestamp range.

Payment required for this resource.; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Trading

Run a small paid probe only after checking endpoint docs and expected output.


TextForge — Developer Utilities API | Free curl-friendly tools

AI-grade text summarization and key extraction

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Free developer utilities you can use from your terminal. curl-friendly endpoints for IP lookup, UUID generation, hashing, timestamps, and more. No signup required.


Payment for credits to access Quicknode Core API

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


ZeroReader - テック・ゲーム・AI・暗号通貨の最新ニュースを日本語で

GLM 4.7 Flash — Zhipu AI model. Strong multilingual.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=60以上の海外・国内ソースから最新ニュースを自動収集し日本語でお届け。テック、ゲーム、暗号通貨、AI、プライバシー、アニメを毎日更新。


AskClaude — Pay per question, no subscription

Ask Claude Sonnet (streaming) — real-time smart AI answers, $0.03/question

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Erudite Data Platform — Market Intelligence API

DeFi protocol data: TVL, yields, and protocol metrics


Returns WHOIS registration data (registrar, creation/expiration dates, nameservers, registrant country) and full DNS records (A, AAAA, MX, NS, TXT) for any domain. Useful for domain research, security analysis, and due diligence.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Title from TG post: this is teaser for promo

x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Trade alpha, not rumors. A decentralized marketplace for trading insights powered by x402 micropayments.


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=AiToollab，普通人用AI做副业的实战平台。收录10+AI副业方向、50+提示词模板、真实赚钱案例。每周更新，找方向、找工具、找案例，一站搞定。


Capture a screenshot of any URL or HTML. Returns a PNG or JPEG image. Supports full-page, element selection, custom viewport.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to Replicate AI and Cloudflare Browser Rendering. No API keys, no subscriptions.


Paid x402 bridge to the Fia Signals Virtuals ACP guarded_swap_execute_dry_run direct-buy packet. Returns ACP job-create coordinates for a no-funds Base swap execution dry-run gate.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


DYOR Knowledge Graph — Crypto Intelligence API

Power Concentration: Measures governance power concentration through delegate and holder concentration metrics. Why it matters: When 5 holders control 60% of tokens, governance is centralized in practice despite decentralized branding. High score: Top 5 holders >70% of supply â extreme concentration. Example: Protocol F: top 5 holders own 62.4% of supply (largest: 28.1%). | ZWING Intelligence (https://zwing.bot) â contact: v@zwing.bot, Telegram: @valery_zzz


Messari API — The Institutional Standard for Crypto Data

Get paginated crypto funding rounds with investors, stage, and raised amounts.

Payment Required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Access standardized crypto data trusted by top exchanges, asset managers, and financial institutions. Messari’s enterprise‑grade API delivers real‑time market data, on‑chain analytics, and curated intelligence - all through a single, reliable API


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Trading; origin=The Dexter x402 Facilitator is publicly available for any developer to integrate. We handle payment verification, signing, and settlement across Solana, Base, Polygon, Avalanche, and more.


Payment required for /sentiment/news/headlines

402 Payment Required: X-402-Transaction-Hash header missing; x402Version=1; scheme=exact; accept_verified=false; tags=Search


Get the closest block number to a timestamp

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.


Get token price data with market cap, volume, and price changes

No X-PAYMENT header provided; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol


httpay.xyz — 307 Pay-Per-Call APIs via x402 on Base | No API Keys

Payment required — supports both x402 (X-PAYMENT header) and MPP (Authorization: Payment header); x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=307 pay-per-call APIs (287 native + Universal Gateway proxying 37 services) powered by x402 and USDC on Base. Token intelligence, DeFi yields, MEV risk, AI tools, web scraping. No API keys, no subscriptions — pay $0.001–$0.05 per call.


auor.io (Oreo) - x402 AI agent research toolkit

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Access multiple APIs through the x402 payment protocol. No accounts, no subscription, just internet-native USDC.


Dopamint | The 1st AI prompt-to-NFT Marketplace on Base

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Think Dopamint as CapCut meets Pump.fun. Prompt NFTs, mint and burn TOGETHER on liquid bonding curves on Base, by AncientX.
Dopamint X402: Your AI agents can now autonomously commission high-quality images and videos via our APIs for Nano Banana, Flux Kontext, Sora 2, Veo3.1, etc. No credit cards, no subscriptions just pure, friction-less micropayments powered by Coinbase x402.


Crestal Network | No-code AI Agent Workforce

No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=A society of self-employed AI agents -- trained by you, owned by you, and working for you. This is not the future of work. It is what comes after.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Explore the x402 ecosystem. View transactions, sellers, origins and resources. Explore the future of agentic commerce.


ACHILLES — Autonomous AI Agent Command Center

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Achilles: Autonomous AI agent. Trades, validates, deploys — 24/7. Execution Protocol, DELPHI intelligence, x402 micropayments. Built for the agent economy.


Agentic Reservations — Restaurant Bookings for AI Agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=API that lets AI agents search and book restaurant reservations on Resy. Pay $0.10 USDC per booking with a crypto wallet.

Normalize token/amount terms before comparing cost.


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI


ChainRay — On-Chain Intelligence for AI Agents

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=The most complete blockchain data and intelligence service for AI agents. 93 endpoints across 46 chains, from gas fees to DeFi analytics, with real-time streams, intent routing, and verifiable proofs. Pay-per-request via x402.


GitHub - QuantOracledev/quantoracle: 63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. · GitHub

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. - QuantOracledev/quantoracle


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


Authentication required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Harness the full capabilities of Venice AI with the Venice API, a private and uncensored AI API enabling the development of advanced applications that generate text and images.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call Canva design API via MPP micropayments. Create, list, export designs and upload assets.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Product catalog APIs powered by x402.


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search


GlobalAPI x402 — Pay-per-call global economic, registry, and sanctions data

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=GlobalAPI x402 provides machine-ready access to live economic indicators, company registries, and sanctions screening. $0.002–$0.10 USDC per call. No subscriptions. No API keys.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Search


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-use Twitter/X data API with x402 micropayments.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Access over 1,000 premium API endpoints with micropayments. Pay only $0.02 per request.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to social media data from TikTok, Instagram, Facebook, Reddit, and LinkedIn. No auth, no subscriptions.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Marketing/competitive analysis query - $0.01 per request

x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time pricing, promotions, and competitive intelligence across US and Canadian retailers — exposed as paid API endpoints and MCP tools that AI agents can call directly, with x402 and MPP micropayments per query.


AI agent that generates branded PFPs from your reference images. Custom prompts optional. Perfect for communities.

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Create an agent on memeputer.com, give it personality, skills, and a wallet — then let it earn for you anywhere. Agents can run solo or be composed via X402 to build workflows.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Crypto; origin=Logos by Readia – Where AI agents create, publish, and monetize content autonomously alongside humans. Agentic creators are the future. Readia provides the payment rails.


x402Factory.ai - Where everything becomes an endpoint

Wallet-bound notes API. Cost: $0.001 USDC per action. Actions (set via action field in body): create (default) creates new note with body required and optional title, list shows your notes with pagination using page and pageSize params, read fetches full note by noteId, append adds text to existing note by noteId (owner only), rewrite replaces note content by noteId (owner only), delete removes note by noteId (owner only). All actions require X-PAYMENT header.

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Building blocks for the agent economy. Pay-per-use x402 endpoints on Solana and Base.


Xona Agent | Infrastructure for Agentic Commerce

AI image generation using nano-banana-pro model. Takes your prompt and generates a high-quality image directly without style blending.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Build AI agents that earn on Orbit. Power them with Xona Resources.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Agent Neo | An Agent Infrastructure OS to turn raw Solana DEX intelligence into machine-optimized data feeds (Pills) via x402. Follow us on x.com/agentneo_sol


Open Jupiter Perps positions for a wallet with size, leverage, entry price, unrealized PnL, position age, trader classification (scalper/swing/position), and risk flags.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Solana onchain data enrichment. Wallet profiling, token analysis, risk scoring. JSON for agents, natural language for LLMs.


SEC filing risk factors - categorized risk disclosures from latest filings

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time US stock market data for AI agents - quotes, short interest, float, SEC filings, trade alerts, and news. 13 endpoints, pay-per-call.


Fetch live Amazon product detail (buybox + full offer listing + embedded top reviews) by ASIN

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Twitter, Reddit, and web data your AI agent can search and act on. 9 MCP tools, matching REST API. Pay per request.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Arch Tools - The First API Platform AI Agents Can Pay Autonomously

Arch Tools — video-generate (native SOL) / Arch Tools — video-generate (USDT on Base)

X-PAYMENT-REQUIRED; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=58 AI-powered tools in a single API. Web search, image generation, crypto prices, fact-checking, research reports, and more. Pay per use - no subscriptions.


Solana transaction summary from raw RPC — returns slot, block time, status (success/failed), fee in lamports, fee payer, and instruction count. Useful for tx verification and debugging.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Pipeline: Routing + Robust â Liquidity routing with worst-case protection

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


SniperX•x402 super AI agent for sniping Alpha and Newpair on solana

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=SmartTrader（KOL/SmartMoney/Whale）'s activity and analytics on Alpha and Newpair. High-quality Server for next-generation autonomous agents, data products, and prediction markets.


Engrave Protocol — BTCFi Tools for Smarter AI Agents

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=BTCFi tools for building smarter autonomous AI agents powered by x402


Payment required to access this endpoint; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Creates scripts for voice assistants or podcasts, incorporating natural dialogue and responses.

Payment required; mime=application/json; x402Version=1; scheme=exact; accept_verified=false; tags=AI

Sample one route and verify output quality before treating as market signal.


Mint Carbon Fiber Panel #739 â Rare Shadow Arsenal NFT on Base Mainnet.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Google Solar API - Closest building roof insights including imageryDate

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to Apollo, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.


Anthropic-compatible Messages API — pay per token with USDC on Base

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Pay-per-call AI gateway. Models, data, runtime — one endpoint, no API keys, settled in USDC on Base & Solana. One install for OpenClaw, Claude Code, or Franklin Agent.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call DeFi intelligence for autonomous agents. 28 endpoints across Trenches, Traders, LPs, DeFi, deBridge, and Nansen smart-money data. Multi-chain x402 on Solana, Base, SKALE + MPP on Tempo. No API keys — payment is the only gate.


Get the list of Twitter/X users who follow a specific user. Returns up to 50 follower profiles per page with pagination support. Query params: id (string, required) - numeric Twitter user ID; next_token (string, optional) - pagination cursor, e.g. GET /users/followers?id=44196397. Returns X v2 API-compatible JSON.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time Twitter/X data for AI agents. No sign-up, no API keys. Pay per request in USDC on Base via x402.


Nansen AI - Agentic Trading with Onchain Intelligence

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=The first truly agentic onchain app: research, analyze, and execute, all in one loop. Ask anything about crypto and make a trade in seconds, with 500M+ labelled addresses powering the engine.


Otto AI x402 — Programmable USDC payments for AI agents

Active yield farming positions for a user across Aave V3 and Morpho on all chains

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=37 pay-per-call AI services on x402 V2 — market intel, DeFi execution, AI creative tools. USDC on Base, Polygon, or Solana. From $0.001 per call.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Pay-per-generation AI image and video creation. No subscriptions ever.


Base Moontok Vote quick endpoint. Create a paid WURK task to collect votes via a Telegram message link. Provide a t.me message URL (and optional amount), pay with USDC via x402, and the job will be created on wurk.fun for users to vote and submit proof.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Crypto; origin=Decentralized engagement services powered by x402 micropayments. Likes, reposts, comments on X, Instagram, YouTube, and more.


DataBR — API de Dados Públicos Brasileiros

PRODES - desmatamento anual consolidado na Amazônia, taxa e incremento por estado (INPE - Instituto Nacional de Pesquisas Espaciais)

mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=120+ endpoints cobrindo economia, empresas, mercado, legislativo e transparência. Pagamento instantâneo via protocolo x402 — sem cadastro, sem API key.


Apollo — Intelligence Infrastructure for AI Agents

Weekly consolidated intel: top opportunities, sentiment shifts, recommendations.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Apollo Intelligence Network: 54 API endpoints for AI agents — data feeds, proxy, OSINT, DeFi, crypto, Etherscan, weather, ML/NLP. Free trial: 5 requests/day. Pay-per-request via x402 or API key.


Find nearby airports by geographic coordinates

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request access to flights, hotels, activities, and transfers. No auth, no subscriptions.


AgentOS — Infrastructure for Autonomous AI Agents

Send an SMS message from a phone number you own. Body: { to: E.164, body: string }

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Phone, email, compute, domains — paid with USDC via x402. Give your AI agent superpowers.


Convrgent — Personality Intelligence Platform for AI Agents | 45 API Endpoints, 11 Frameworks

Personality-driven persuasion strategy â multi-step influence plan using Cialdini principles, ELM routing, cognitive bias applications, and personality-specific levers. Outcome-oriented: moves a person toward a specific decision.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Personality intelligence for AI agents. 45 endpoints, 11 frameworks. Pay per call in USDC via x402. No API keys needed.


402.bot | Recipes and token-efficient x402 workflows for AI agents

AIXBT Project Detail: Resolve one AIXBT project into a detailed profile with scores, links, and narrative context. Useful for project dossiers, token diligence, creator research, and AI-agent market overviews. Pre-normalized output that saves agents 80-95% of LLM context tokens versus raw fetch + parse pipelines.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=402.bot helps agents discover paid APIs, run deterministic recipes, and buy compact structured outputs that turn multi-step research into one call and save tokens versus raw fetch-and-parse flows.


Carbon & Cashmere — Crypto Intelligence Infrastructure

Get per-block analytics for the last N Bitcoin blocks (max 144) â fee distribution percentiles, SegWit adoption percentage, UTXO set changes, block fill rate, and summary trends. From local Bitcoin Core node via getblockstats. AI agent API for Bitcoin block analysis, fee market research, and mining economics.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Crypto Intelligence Infrastructure: 75+ AI-Agents, 4 eigene Blockchain Nodes, 7-Signal Trading Pipeline, x402 API, MCP Server. Echtzeit-Signale, On-Chain-Daten, ML Predictions.


OneSource - Pay-per-call Ethereum RPC for Agents

Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-call Ethereum mainnet RPC for AI agents. Live block, balance, contract, NFT, transaction, and event data served directly from mainnet nodes. No API keys, no accounts; pay per request — USDC on Base via x402, or pathUSD or USDC.e on Tempo via MPP.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API Bitcoin fee snapshot: a tiny, no-parameter first paid x402 call for agents that need immediate send-or-wait context.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Know when to send Bitcoin and when to wait. Satoshi API gives apps and AI agents live fee recommendations, mempool context, and cost estimates. Free, open source.


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Invoice Verify — Germany costs $0.1500 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.


AgentMail | Email Inbox API for AI Agents

Service: AgentMail API (/v0/inboxes/{inbox_id}/messages/{message_id}/forward)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.


FetchForge — Web Fetching & Scraping API for AI Agents

Check URL status, response time, SSL, and availability

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Fetch URLs, extract structured data, search the web. Pay per call with USDC on Base via x402 protocol. Built for AI agents.


Historical SPECTRA field-map contract with pressure, stored energy, price echo, and SEC filing choreography for one issuer.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=DeltaSignal Azure Marketplace and x402 agentic market frontend.


Autonomagic — autonomous AI agent earning USDC on Base via x402

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=An AI agent that runs as its own business on Base mainnet. Sells 22 paid HTTP endpoints behind the x402 protocol. Hot-reloads new revenue lines as code in 400ms.


AurelianFlo — Compliance APIs for the agent era

Generate a styled report PDF from the shared report model or a legacy report payload with title, summary, sections, and headline metrics.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call compliance API. OFAC screening, vendor diligence, Monte Carlo reports, and audit-ready document output. No subscription. Works with Claude Connectors and MCP-compatible clients.


Best swap route + price across DEX aggregators via LI.FI

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=DeFi APIs for AI agents. 36 pay-per-call endpoints for token data, pricing, wallet analytics, swap routing, and on-chain workflows. Powered by x402 on Base.


Japan public-data APIs for AI agents — kasanegi.com

EDINET regulatory filings list by EDINET code. (JP Data Enrich). Source: EDINET public-filing API.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Stop scraping Japanese government and public-data sites. Call clean Japan payroll, company, and grant APIs over one host. Preview free; one public marketplace listing covers all current products; x402 direct is available for agent-native buyers.


LimitGuard - Trust Intelligence for the Agent Economy

EU AI Act compliance readiness assessment for AI systems. Returns readiness score with gap analysis.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Real-time trust scoring for AI agents, businesses, and transactions. 8 data sources. One API call.


A coordinated multi-agent system that scans and analyzes newly launched tokens across Solana, Base, and Ethereum.
It detects smart money entries, liquidity spikes, and early altseason momentum — then generates daily actionable trading insights. | Powered by Questflow

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Create your AI Clone to trade across Polymarket, Pump.fun, OKX and every onchain market — discovering alpha, executing trades, and earning revenue 24/7.


Retrieve the Ethereum protocol version supported by the blockchain client. Returns the protocol version as a string. Essential for ensuring compatibility between client and network protocol versions.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AI Tools and MCP, APIs, and agents


FRED Data Series - Get FRED economic series data

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


Coin Railz - x402 Autonomous AI Payments & Crypto Exchange

Real-time gas prices for multiple chains with USD cost estimates

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=First platform enabling autonomous AI agents to pay for services using x402 protocol on Base Chain. Enterprise fintech with P2P payments, crypto exchange, USDC processing, and cross-border solutions. Backed by Coinbase.


Hirescrape — Pay-per-call scraper API for AI agents

LinkedIn person profiles, company pages, paginated company posts, individual post details.

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-call web scrapers for AI agents. 28 tools across Reddit, 8-board job search (LinkedIn · Indeed · Glassdoor · Google Jobs · +5), TikTok · Douyin · Bilibili, cross-platform trend research, social media, and ad libraries. No API keys. Agent wallets settle USDC on Tempo or Base via x402 + MPP.


Get the thread context of a tweet. Suppose a tweet thread consists of t1, t2 (replying to t1), t3 (replying to t2), and t4, t5, t6 (all replying to t3). If we provide an API where you input t3 and receive t1, t2, t3, t4, t5, t6. Pagination is supported. The pagination size cannot be set (due to Twitter's limitations), and the data returned per page is not fixed. / Get the thread context of a tweet. Suppose a tweet thread consists of t1, t2 (replying to t1), t3 (replying to t2), and t4, t5, t6 (all replying to t3). If we provide an API where you input t3 and receive t1, t2, t3, t4, t5, t6. Pagination is supported. The pagination size cannot be set (due to Twitter's limitations), and the data returned per page is not fixed.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AIsa platform connects AI Agents  with digital resource providers through programmable, per-call micropayments — effectively turning API, model, or GPU cycle into a machine-tradable asset.


Get 7d 4h Open Interest trend summary + latest funding rate and APR for a symbol on Binance perp.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Generated by create next app


X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Onchain loyalty protocol on Base L2. Launch ERC-20 rewards, earn and redeem tokens, trade P2P, automate with AI agents via REST and MCP.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=The Agentic DeFi Hub — TEE-secured autonomous execution market for DeFi yield optimization. NEAR AI Cloud TEE + NEAR Intent Settlement. Verified on 21+ chains incl. TRON & Solana.


Get tweet replies by tweet id. Each page returns up to 20 replies (Sometimes less than 20, because we will filter out ads or other not tweets). Use cursor for pagination. Order by reply time desc / Get tweet replies by tweet id. Each page returns up to 20 replies (Sometimes less than 20, because we will filter out ads or other not tweets). Use cursor for pagination. Order by reply time desc


DeepBlue — Pay-Per-Call Crypto API | BTC Signals, Token Analysis, Polymarket Data

All-coins snapshot in one call â BTC, ETH, SOL, XRP prices, signals, and sentiment

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=DeepBlue: Live BTC/ETH/SOL/XRP trading signals from a real Polymarket bot. Token scoring, wallet analysis, trending Base pools, Polymarket intelligence. From $0.001/call via x402 — no signup, no API key.


XActions — Free AI-Powered X/Twitter Automation Tools | Mass Unfollow, Auto-Follow & More

XActions AI API â scrape:recommendations

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Free, open-source AI-powered X/Twitter automation tools. Works with Grok, GPT, Claude & MCP servers. Mass unfollow non-followers, auto-liker, growth suite. No API fees, 100% browser-based. The Twitter API alternative.


Top profitable wallets on Base last 24h -- copy trade targets

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Aggregated alpha signals: new launches, liquidity events, whale movements, and mempool intelligence for early opportunities. (with AI analysis)

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Einstein AI — pay-per-use agentic intelligence, on-chain data tooling and query sets via Bitquery.


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/ar/company)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Verifik identity & data APIs via Smart Agent (ai.verifik.co)—multi-country KYC, vehicles, companies, and global sanctions screening.


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/models/traits

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Rug pull risk detection â analyze ownership concentration, renounced vs active admin keys, proxy upgrade patterns, hidden mint functions, and liquidity lock status. Multi-factor risk scoring across code, ownership, and on-chain behavior. No API keys needed. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Returns token transfers across the entire blockchain, with optional filtering by block range or timestamp range.

Payment required for this resource.; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


TextForge — Developer Utilities API | Free curl-friendly tools

Advanced text transformation: rewrite, clean, structure

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Free developer utilities you can use from your terminal. curl-friendly endpoints for IP lookup, UUID generation, hashing, timestamps, and more. No signup required.


Payment for credits to access Quicknode Core API

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


ZeroReader - テック・ゲーム・AI・暗号通貨の最新ニュースを日本語で

GPT-OSS 120B (OpenAI) — OpenAI's largest open-source model.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=60以上の海外・国内ソースから最新ニュースを自動収集し日本語でお届け。テック、ゲーム、暗号通貨、AI、プライバシー、アニメを毎日更新。


AI-generated market analysis report for an asset - multi-source data + LLM narrative

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Pay-per-call financial intelligence API - 21 endpoints across crypto, stocks, forex, AI analysis, insider trading, and pharma catalysts.


AskClaude — Pay per question, no subscription

Review code and suggest improvements, $0.05/request


Erudite Data Platform — Market Intelligence API

DeFi yield farming: pool APYs, TVL, and reward rates


Test paid alpha is showing: Paid alpha in x402Scan dynamically showed

x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Trade alpha, not rumors. A decentralized marketplace for trading insights powered by x402 micropayments.


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=AiToollab，普通人用AI做副业的实战平台。收录10+AI副业方向、50+提示词模板、真实赚钱案例。每周更新，找方向、找工具、找案例，一站搞定。


Fetch the fully rendered HTML of any URL after JavaScript execution.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to Replicate AI and Cloudflare Browser Rendering. No API keys, no subscriptions.


Convert images between formats: JPEG, PNG, WebP, AVIF, GIF. Adjust quality settings.


Paid x402 bridge to the Fia Signals Virtuals ACP token_safety_check direct-buy packet. Returns ACP job-create coordinates for pre-swap token safety before token_swap, bonding buy, or guarded swap.


DYOR Knowledge Graph — Crypto Intelligence API

Revenue Momentum: Tracks protocol revenue acceleration by comparing 30-day and 90-day revenue change rates. Why it matters: Revenue is the most honest metric in crypto. Unlike TVL or users, revenue represents real value extraction. High score: Revenue accelerating >100% in 30d on strong 90d trend. Example: Protocol A: revenue accelerating â 30d +82% vs 90d +35%. | ZWING Intelligence (https://zwing.bot) â contact: v@zwing.bot, Telegram: @valery_zzz

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Messari API — The Institutional Standard for Crypto Data

Get investor participation across funding rounds and stages.

Payment Required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Access standardized crypto data trusted by top exchanges, asset managers, and financial institutions. Messari’s enterprise‑grade API delivers real‑time market data, on‑chain analytics, and curated intelligence - all through a single, reliable API


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=The Dexter x402 Facilitator is publicly available for any developer to integrate. We handle payment verification, signing, and settlement across Solana, Base, Polygon, Avalanche, and more.


Get current prices for tokens by contract address

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.


Get website/domain trust score with WHOIS, SSL, and pattern analysis

No X-PAYMENT header provided; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol


httpay.xyz — 307 Pay-Per-Call APIs via x402 on Base | No API Keys

Payment required — supports both x402 (X-PAYMENT header) and MPP (Authorization: Payment header); x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=307 pay-per-call APIs (287 native + Universal Gateway proxying 37 services) powered by x402 and USDC on Base. Token intelligence, DeFi yields, MEV risk, AI tools, web scraping. No API keys, no subscriptions — pay $0.001–$0.05 per call.


PREMIUM: Composite trading signals derived from multiple data sources. Market regime, whale momentum, sentiment divergence. Unique alpha.

402 Payment Required: Missing Hash; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


auor.io (Oreo) - x402 AI agent research toolkit

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Access multiple APIs through the x402 payment protocol. No accounts, no subscription, just internet-native USDC.


Dopamint | The 1st AI prompt-to-NFT Marketplace on Base

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Think Dopamint as CapCut meets Pump.fun. Prompt NFTs, mint and burn TOGETHER on liquid bonding curves on Base, by AncientX.
Dopamint X402: Your AI agents can now autonomously commission high-quality images and videos via our APIs for Nano Banana, Flux Kontext, Sora 2, Veo3.1, etc. No credit cards, no subscriptions just pure, friction-less micropayments powered by Coinbase x402.


Crestal Network | No-code AI Agent Workforce

No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=A society of self-employed AI agents -- trained by you, owned by you, and working for you. This is not the future of work. It is what comes after.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Explore the x402 ecosystem. View transactions, sellers, origins and resources. Explore the future of agentic commerce.


Agentic Reservations — Restaurant Bookings for AI Agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=API that lets AI agents search and book restaurant reservations on Resy. Pay $0.10 USDC per booking with a crypto wallet.


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


ChainRay — On-Chain Intelligence for AI Agents

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=The most complete blockchain data and intelligence service for AI agents. 93 endpoints across 46 chains, from gas fees to DeFi analytics, with real-time streams, intent routing, and verifiable proofs. Pay-per-request via x402.


GitHub - QuantOracledev/quantoracle: 63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. · GitHub

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. - QuantOracledev/quantoracle


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


Authentication required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Harness the full capabilities of Venice AI with the Venice API, a private and uncensored AI API enabling the development of advanced applications that generate text and images.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call Canva design API via MPP micropayments. Create, list, export designs and upload assets.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Product catalog APIs powered by x402.


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


GlobalAPI x402 — Pay-per-call global economic, registry, and sanctions data

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=GlobalAPI x402 provides machine-ready access to live economic indicators, company registries, and sanctions screening. $0.002–$0.10 USDC per call. No subscriptions. No API keys.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Search


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-use Twitter/X data API with x402 micropayments.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Access over 1,000 premium API endpoints with micropayments. Pay only $0.02 per request.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to social media data from TikTok, Instagram, Facebook, Reddit, and LinkedIn. No auth, no subscriptions.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Marketing/competitive analysis query - $0.01 per request

x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time pricing, promotions, and competitive intelligence across US and Canadian retailers — exposed as paid API endpoints and MCP tools that AI agents can call directly, with x402 and MPP micropayments per query.


AI agent that generates branded PFPs from your reference images. Custom prompts optional. Perfect for communities.

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Create an agent on memeputer.com, give it personality, skills, and a wallet — then let it earn for you anywhere. Agents can run solo or be composed via X402 to build workflows.


x402Factory.ai - Where everything becomes an endpoint

Solana send endpoint discovery. Example quote uses 1.0 USDC (1,000,000 atomics) paid to the server address for documentation and x402scan registration. For real sends, provide receiver and amountAtomic so the payment schema targets your chosen receiver and mint directly. For all SPL mints (including USDC), the receiver wallet must already have an associated token account (ATA) for that mint, otherwise the facilitator may reject the transaction.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Building blocks for the agent economy. Pay-per-use x402 endpoints on Solana and Base.


Xona Agent | Infrastructure for Agentic Commerce

Fetch token information from Jupiter via Corbits, get curated news from Syra, and generate banner and social content with Xona.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Build AI agents that earn on Orbit. Power them with Xona Resources.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Agent Neo | An Agent Infrastructure OS to turn raw Solana DEX intelligence into machine-optimized data feeds (Pills) via x402. Follow us on x.com/agentneo_sol


Daily portfolio snapshots (value, SOL balance, token count, risk score) for a wallet over 7/14/30 days, plus summary stats: peak, trough, max drawdown, average value, change vs period start. Designed for charting and PnL tracking; complements wallet-history which returns two-point deltas. Today's live point is appended automatically.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Solana onchain data enrichment. Wallet profiling, token analysis, risk scoring. JSON for agents, natural language for LLMs.


Short interest data - short shares outstanding, days to cover, settlement date

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time US stock market data for AI agents - quotes, short interest, float, SEC filings, trade alerts, and news. 13 endpoints, pay-per-call.


Search Amazon by keyword or browse bestsellers by category slug

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Twitter, Reddit, and web data your AI agent can search and act on. 9 MCP tools, matching REST API. Pay per request.


Arch Tools - The First API Platform AI Agents Can Pay Autonomously

Arch Tools — browser-task (native SOL) / Arch Tools — browser-task (USDT on Base)

X-PAYMENT-REQUIRED; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=58 AI-powered tools in a single API. Web search, image generation, crypto prices, fact-checking, research reports, and more. Pay per use - no subscriptions.


SniperX•x402 super AI agent for sniping Alpha and Newpair on solana

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=SmartTrader（KOL/SmartMoney/Whale）'s activity and analytics on Alpha and Newpair. High-quality Server for next-generation autonomous agents, data products, and prediction markets.


Engrave Protocol — BTCFi Tools for Smarter AI Agents

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=BTCFi tools for building smarter autonomous AI agents powered by x402


Generates scripts for voice assistants or audiobooks, optimizing for natural speech and engagement.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Mint Carbon Fiber Panel #740 â Rare Shadow Arsenal NFT on Base Mainnet.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Google Solar API - Aerial GeoTIFF data layers (rgbUrl, dsmUrl, fluxUrl) with imageryDate

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to Apollo, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.


Create a managed Python 3.11 sandbox. Two billing modes selected by 'timeout': ≤300s = flat rate (CPU $0.01, GPU varies). >300s = per-hour billing for the full requested lifetime, no refund on early terminate. Max 24h.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call AI gateway. Models, data, runtime — one endpoint, no API keys, settled in USDC on Base & Solana. One install for OpenClaw, Claude Code, or Franklin Agent.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Pay-per-call DeFi intelligence for autonomous agents. 28 endpoints across Trenches, Traders, LPs, DeFi, deBridge, and Nansen smart-money data. Multi-chain x402 on Solana, Base, SKALE + MPP on Tempo. No API keys — payment is the only gate.


Causes the authenticated user to follow a specific user by their ID or username. Query params: id (string, optional) - numeric user ID to follow; username (string, optional) - screen name to follow (one of id/username required); auth_token (string, required) - Twitter auth_token cookie; ct0 (string, required) - Twitter ct0 cookie. Returns { following: true } on success.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time Twitter/X data for AI agents. No sign-up, no API keys. Pay per request in USDC on Base via x402.


Nansen AI - Agentic Trading with Onchain Intelligence

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=The first truly agentic onchain app: research, analyze, and execute, all in one loop. Ask anything about crypto and make a trade in seconds, with 500M+ labelled addresses powering the engine.


Otto AI x402 — Programmable USDC payments for AI agents

Historical (closed) yield farming positions for a user across all protocols and chains

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=37 pay-per-call AI services on x402 V2 — market intel, DeFi execution, AI creative tools. USDC on Base, Polygon, or Solana. From $0.001 per call.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Pay-per-generation AI image and video creation. No subscriptions ever.


Base Pump.fun Comments quick endpoint. Create a paid WURK task to get comments on a Pump.fun token page. Provide a pump.fun URL (and optional amount + optional instructions), pay with USDC via x402, and the job will be created on wurk.fun for users to comment and submit proof.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Crypto; origin=Decentralized engagement services powered by x402 micropayments. Likes, reposts, comments on X, Instagram, YouTube, and more.


DataBR — API de Dados Públicos Brasileiros

Risco ambiental por município — alertas DETER, desmatamento PRODES e embargos IBAMA consolidados

mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=120+ endpoints cobrindo economia, empresas, mercado, legislativo e transparência. Pagamento instantâneo via protocolo x402 — sem cadastro, sem API key.


Apollo — Intelligence Infrastructure for AI Agents

Real-time X/Twitter intelligence — search posts, analyze sentiment, track conversations. Powered by Grok x_search.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Apollo Intelligence Network: 54 API endpoints for AI agents — data feeds, proxy, OSINT, DeFi, crypto, Etherscan, weather, ML/NLP. Free trial: 5 requests/day. Pay-per-request via x402 or API key.


Search for airports and cities by keyword

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request access to flights, hotels, activities, and transfers. No auth, no subscriptions.


Convrgent — Personality Intelligence Platform for AI Agents | 45 API Endpoints, 11 Frameworks

Cultural Adaptation for International Sales â Hofstede dimension analysis, market-specific messaging adaptations, negotiation norms, taboos, formality levels, pricing psychology by culture, localization priorities.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Personality intelligence for AI agents. 45 endpoints, 11 frameworks. Pay per call in USDC via x402. No API keys needed.


402.bot | Recipes and token-efficient x402 workflows for AI agents

AIXBT Project Search: Search AIXBT projects with bounded text plus allowlisted score and identity filters. Useful for project discovery, thesis screening, watchlist building, and topic-based crypto research. Pre-normalized output that saves agents 80-95% of LLM context tokens versus raw fetch + parse pipelines.

x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=402.bot helps agents discover paid APIs, run deterministic recipes, and buy compact structured outputs that turn multi-step research into one call and save tokens versus raw fetch-and-parse flows.


Carbon & Cashmere — Crypto Intelligence Infrastructure

Multi-chain block-height monitor. Returns latest block + last update timestamp for arbitrum, avalanche, base, ethereum, optimism, polygon, solana. AI agent API for sync detection, chain-of-truth checks before settlement, and cross-chain liveness monitoring.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Crypto Intelligence Infrastructure: 75+ AI-Agents, 4 eigene Blockchain Nodes, 7-Signal Trading Pipeline, x402 API, MCP Server. Echtzeit-Signale, On-Chain-Daten, ML Predictions.


OneSource - Pay-per-call Ethereum RPC for Agents

Pending Ethereum block - mempool transactions not yet mined, via eth_getBlockByNumber("pending")

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call Ethereum mainnet RPC for AI agents. Live block, balance, contract, NFT, transaction, and event data served directly from mainnet nodes. No API keys, no accounts; pay per request — USDC on Base via x402, or pathUSD or USDC.e on Tempo via MPP.


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Invoice Verify — Denmark costs $0.1500 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.


AgentMail | Email Inbox API for AI Agents

Service: AgentMail API (/v0/inboxes/{inbox_id}/messages/{message_id}/raw)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.


FetchForge — Web Fetching & Scraping API for AI Agents

Search the web and return structured results

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Fetch URLs, extract structured data, search the web. Pay per call with USDC on Base via x402 protocol. Built for AI agents.


Top stressed crypto issuers from the current DeltaSignal slice.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=DeltaSignal Azure Marketplace and x402 agentic market frontend.


Autonomagic — autonomous AI agent earning USDC on Base via x402

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=An AI agent that runs as its own business on Base mainnet. Sells 22 paid HTTP endpoints behind the x402 protocol. Hot-reloads new revenue lines as code in 400ms.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Bitcoin fee estimator accuracy analytics

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Know when to send Bitcoin and when to wait. Satoshi API gives apps and AI agents live fee recommendations, mempool context, and cost estimates. Free, open source.


AurelianFlo — Compliance APIs for the agent era

Generate a styled PDF report from a shared report model with executive summary, metrics, sections, and tables for client delivery or internal decision review.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call compliance API. OFAC screening, vendor diligence, Monte Carlo reports, and audit-ready document output. No subscription. Works with Claude Connectors and MCP-compatible clients.


Simulated swap to detect MEV/sandwich risk and actual slippage

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=DeFi APIs for AI agents. 36 pay-per-call endpoints for token data, pricing, wallet analytics, swap routing, and on-chain workflows. Powered by x402 on Base.


Japan public-data APIs for AI agents — kasanegi.com

Single-grant detail with structured fields, deadline, contact, and amount-extraction safety. (JP Grants). Source: Digital Agency J-Grants PDL 1.0; Mirasapo Plus (cross-reference).

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Stop scraping Japanese government and public-data sites. Call clean Japan payroll, company, and grant APIs over one host. Preview free; one public marketplace listing covers all current products; x402 direct is available for agent-native buyers.


LimitGuard - Trust Intelligence for the Agent Economy

Full compliance assessment report for an entity. Covers sanctions, PEP, adverse media, and regulatory status.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Real-time trust scoring for AI agents, businesses, and transactions. 8 data sources. One API call.


Remove a filter that was previously created with eth_newFilter. Frees up server resources and stops monitoring for the specified filter. Returns success status of the uninstall operation.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AI Tools and MCP, APIs, and agents


Company Profile - Company profile and overview

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


Coin Railz - x402 Autonomous AI Payments & Crypto Exchange

Query wallet balances across 7+ EVM chains in a single API call

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=First platform enabling autonomous AI agents to pay for services using x402 protocol on Base Chain. Enterprise fintech with P2P payments, crypto exchange, USDC processing, and cross-border solutions. Backed by Coinbase.


Hirescrape — Pay-per-call scraper API for AI agents

LinkedIn ads search by company name / ID / keyword with country + date filters, plus single-ad details.

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-call web scrapers for AI agents. 28 tools across Reddit, 8-board job search (LinkedIn · Indeed · Glassdoor · Google Jobs · +5), TikTok · Douyin · Bilibili, cross-platform trend research, social media, and ad libraries. No API keys. Agent wallets settle USDC on Tempo or Base via x402 + MPP.


Get the thread context of a tweet. Suppose a tweet thread consists of t1, t2 (replying to t1), t3 (replying to t2), and t4, t5, t6 (all replying to t3). If we provide an API where you input t3 and receive t1, t2, t3, t4, t5, t6. Pagination is supported. The pagination size cannot be set (due to Twitter's limitations), and the data returned per page is not fixed. / Get the thread context of a tweet. Suppose a tweet thread consists of t1, t2 (replying to t1), t3 (replying to t2), and t4, t5, t6 (all replying to t3). If we provide an API where you input t3 and receive t1, t2, t3, t4, t5, t6. Pagination is supported. The pagination size cannot be set (due to Twitter's limitations), and the data returned per page is not fixed.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AIsa platform connects AI Agents  with digital resource providers through programmable, per-call micropayments — effectively turning API, model, or GPU cycle into a machine-tradable asset.


Generate high-quality images using Replicate Flux. | Powered by Questflow

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Create your AI Clone to trade across Polymarket, Pump.fun, OKX and every onchain market — discovering alpha, executing trades, and earning revenue 24/7.


Get recent smart mentions feed for a Twitter account

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Generated by create next app


X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Onchain loyalty protocol on Base L2. Launch ERC-20 rewards, earn and redeem tokens, trade P2P, automate with AI agents via REST and MCP.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=The Agentic DeFi Hub — TEE-secured autonomous execution market for DeFi yield optimization. NEAR AI Cloud TEE + NEAR Intent Settlement. Verified on 21+ chains incl. TRON & Solana.


Get tweet replies by tweet id. Each page returns up to 20 replies (Sometimes less than 20, because we will filter out ads or other not tweets). Use cursor for pagination. Order by reply time desc / Get tweet replies by tweet id. Each page returns up to 20 replies (Sometimes less than 20, because we will filter out ads or other not tweets). Use cursor for pagination. Order by reply time desc


DeepBlue — Pay-Per-Call Crypto API | BTC Signals, Token Analysis, Polymarket Data

DeepBlue bot on-chain verified trading performance, P&L, and win rate

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=DeepBlue: Live BTC/ETH/SOL/XRP trading signals from a real Polymarket bot. Token scoring, wallet analysis, trending Base pools, Polymarket intelligence. From $0.001/call via x402 — no signup, no API key.


ETH balance in wei and USD for a Base address

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Aggregated alpha signals: new launches, liquidity events, whale movements, and mempool intelligence for early opportunities.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Einstein AI — pay-per-use agentic intelligence, on-chain data tooling and query sets via Bitquery.


XActions — Free AI-Powered X/Twitter Automation Tools | Mass Unfollow, Auto-Follow & More

XActions AI API â action:detect-unfollowers

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Free, open-source AI-powered X/Twitter automation tools. Works with Grok, GPT, Claude & MCP servers. Mass unfollow non-followers, auto-liker, growth suite. No API fees, 100% browser-based. The Twitter API alternative.


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/ar/company)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Verifik identity & data APIs via Smart Agent (ai.verifik.co)—multi-country KYC, vehicles, companies, and global sanctions screening.


UK vehicle tax and MOT status by registration plate.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Simulate an EVM transaction before execution. Returns gas estimate, balance changes, and potential risks. Premium endpoint ($0.01).

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Returns trades for a specified liquidity pool, with optional filtering by side, trader, maker, block range, or timestamp range.

{"type":"https://tools.ietf.org/html/rfc9110#section-15.5.1","title":"One or more validation errors occurred.","status":400,"errors":{"pair":["The Pair field is required.","'pair' must not be empty."]},"traceId":"00-d4be0488cef9d6502305e6b71b9d41c0-4d86b42f4de633c9-00"}; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


TextForge — Developer Utilities API | Free curl-friendly tools

Deep text analysis: sentiment, entities, topics, language detection

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Free developer utilities you can use from your terminal. curl-friendly endpoints for IP lookup, UUID generation, hashing, timestamps, and more. No signup required.


Payment for credits to access Quicknode Core API

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


ZeroReader - テック・ゲーム・AI・暗号通貨の最新ニュースを日本語で

GPT-OSS 20B (OpenAI) — OpenAI's open-source 20B model.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=60以上の海外・国内ソースから最新ニュースを自動収集し日本語でお届け。テック、ゲーム、暗号通貨、AI、プライバシー、アニメを毎日更新。


AskClaude — Pay per question, no subscription

Extract structured JSON from unstructured text, $0.02/request


Erudite Data Platform — Market Intelligence API

Extended crypto data: comprehensive token metrics from aggregators

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


AI broker statement audit: detect hidden fees, spreads, FX markups, compare vs IB/Degiro

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call financial intelligence API - 21 endpoints across crypto, stocks, forex, AI analysis, insider trading, and pharma catalysts.


Bitcoin Miners' Pivot to AI Data Centers: A Strategic Transformation: The Perfect Storm Forcing Bitcoin Miners to EvolveBitcoin miners are facing an existential crisis...

x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Trade alpha, not rumors. A decentralized marketplace for trading insights powered by x402 micropayments.


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=AI; origin=AiToollab，普通人用AI做副业的实战平台。收录10+AI副业方向、50+提示词模板、真实赚钱案例。每周更新，找方向、找工具、找案例，一站搞定。


Start an async crawl job. Returns a JWT token to poll /api/browser/crawl/poll for results. Supports up to 25 pages, markdown/html/json output.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request access to Replicate AI and Cloudflare Browser Rendering. No API keys, no subscriptions.


Extract text from images using GOT-OCR 2.0 - state-of-the-art open source OCR. Supports formatted output.


DYOR Knowledge Graph — Crypto Intelligence API

Stablecoin Supply Shift: Detects large week-over-week changes in stablecoin circulating supply (>10% with >$1M circulation). Why it matters: Stablecoin supply is a proxy for capital entering and exiting the crypto ecosystem, preceding market movements. High score: Supply change >30% â massive capital flow. Example: Stablecoin W: supply expanded +22% week-over-week ($180M increase). | ZWING Intelligence (https://zwing.bot) â contact: v@zwing.bot, Telegram: @valery_zzz


Messari API — The Institutional Standard for Crypto Data

Get 15-minute cryptocurrency asset metric history for short-horizon signals.

Payment Required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Access standardized crypto data trusted by top exchanges, asset managers, and financial institutions. Messari’s enterprise‑grade API delivers real‑time market data, on‑chain analytics, and curated intelligence - all through a single, reliable API


Spot vs futures basis for BTC and ETH. Positive basis = futures premium (bullish). Query: ?symbol=BTCUSDT


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Crypto; origin=The Dexter x402 Facilitator is publicly available for any developer to integrate. We handle payment verification, signing, and settlement across Solana, Base, Polygon, Avalanche, and more.


Get historical prices for tokens at a specific timestamp

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.


Get token holder distribution, whale concentration, and centralization metrics

No X-PAYMENT header provided; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol


httpay.xyz — 307 Pay-Per-Call APIs via x402 on Base | No API Keys

Payment required — supports both x402 (X-PAYMENT header) and MPP (Authorization: Payment header); x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=307 pay-per-call APIs (287 native + Universal Gateway proxying 37 services) powered by x402 and USDC on Base. Token intelligence, DeFi yields, MEV risk, AI tools, web scraping. No API keys, no subscriptions — pay $0.001–$0.05 per call.


Payment required for /analytics/defillama/stablecoin-dominance

402 Payment Required: X-402-Transaction-Hash header missing; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


AgentOS — Infrastructure for Autonomous AI Agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Phone, email, compute, domains — paid with USDC via x402. Give your AI agent superpowers.


Dopamint | The 1st AI prompt-to-NFT Marketplace on Base

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Think Dopamint as CapCut meets Pump.fun. Prompt NFTs, mint and burn TOGETHER on liquid bonding curves on Base, by AncientX.
Dopamint X402: Your AI agents can now autonomously commission high-quality images and videos via our APIs for Nano Banana, Flux Kontext, Sora 2, Veo3.1, etc. No credit cards, no subscriptions just pure, friction-less micropayments powered by Coinbase x402.


auor.io (Oreo) - x402 AI agent research toolkit

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Access multiple APIs through the x402 payment protocol. No accounts, no subscription, just internet-native USDC.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Explore the x402 ecosystem. View transactions, sellers, origins and resources. Explore the future of agentic commerce.


Agentic Reservations — Restaurant Bookings for AI Agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=API that lets AI agents search and book restaurant reservations on Resy. Pay $0.10 USDC per booking with a crypto wallet.


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


ChainRay — On-Chain Intelligence for AI Agents

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=The most complete blockchain data and intelligence service for AI agents. 93 endpoints across 46 chains, from gas fees to DeFi analytics, with real-time streams, intent routing, and verifiable proofs. Pay-per-request via x402.


GitHub - QuantOracledev/quantoracle: 63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. · GitHub

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. - QuantOracledev/quantoracle


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


Authentication required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Harness the full capabilities of Venice AI with the Venice API, a private and uncensored AI API enabling the development of advanced applications that generate text and images.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call Canva design API via MPP micropayments. Create, list, export designs and upload assets.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Product catalog APIs powered by x402.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


GlobalAPI x402 — Pay-per-call global economic, registry, and sanctions data

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=GlobalAPI x402 provides machine-ready access to live economic indicators, company registries, and sanctions screening. $0.002–$0.10 USDC per call. No subscriptions. No API keys.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-use Twitter/X data API with x402 micropayments.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Access over 1,000 premium API endpoints with micropayments. Pay only $0.02 per request.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request access to social media data from TikTok, Instagram, Facebook, Reddit, and LinkedIn. No auth, no subscriptions.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Marketing/competitive analysis query - $0.01 per request

x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time pricing, promotions, and competitive intelligence across US and Canadian retailers — exposed as paid API endpoints and MCP tools that AI agents can call directly, with x402 and MPP micropayments per query.


AI agent that takes your image prompt → adds quality modifiers, style specs, and technical details → returns an enhanced prompt optimized for image generation.

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Create an agent on memeputer.com, give it personality, skills, and a wallet — then let it earn for you anywhere. Agents can run solo or be composed via X402 to build workflows.


x402Factory.ai - Where everything becomes an endpoint

Solana text-to-speech API paid via x402. Converts text input into a hosted audio URL. Dynamic pricing for TTS: the prepaid price is computed per request based on the input and charged upfront via x402. Prepaid price for pure discovery requests without text is an upper bound; clients should re-run discovery with their concrete input if they need an exact quote.

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Building blocks for the agent economy. Pay-per-use x402 endpoints on Solana and Base.


Xona Agent | Infrastructure for Agentic Commerce

Get movers PumpFun tokens with AI-powered analysis including dominant meta summary, fresh token suggestions, and detailed token information with price changes and icon descriptions

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Build AI agents that earn on Orbit. Power them with Xona Resources.


Protocol TVL, yield pools, on-chain activity metrics, health signals, and automated_activity_pct (% of top signers with regular-interval or high-frequency tx patterns — surfaces agent-driven protocol usage). Supports Raydium, Orca, marginfi, Drift, Jupiter, Kamino, Marinade, Jito, and more.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Solana onchain data enrichment. Wallet profiling, token analysis, risk scoring. JSON for agents, natural language for LLMs.


Short volume data - daily short volume, total volume, short ratio

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Real-time US stock market data for AI agents - quotes, short interest, float, SEC filings, trade alerts, and news. 13 endpoints, pay-per-call.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Agent Neo | An Agent Infrastructure OS to turn raw Solana DEX intelligence into machine-optimized data feeds (Pills) via x402. Follow us on x.com/agentneo_sol


Fetch GitHub repository data (repo, readme, files, commits, PRs, issues)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Twitter, Reddit, and web data your AI agent can search and act on. 9 MCP tools, matching REST API. Pay per request.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Arch Tools - The First API Platform AI Agents Can Pay Autonomously

Arch Tools — browser-task (native SOL) / Arch Tools — browser-task (USDT on Base)

X-PAYMENT-REQUIRED; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=58 AI-powered tools in a single API. Web search, image generation, crypto prices, fact-checking, research reports, and more. Pay per use - no subscriptions.


Engrave Protocol — BTCFi Tools for Smarter AI Agents

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=BTCFi tools for building smarter autonomous AI agents powered by x402


Generates basic legal wills based on user inputs like assets and beneficiaries, with disclaimers for professional review, tailored to jurisdiction.

Payment required; mime=application/json; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Mint Wine Cellar â Mythic Cursed Treasures NFT on Base Mainnet.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Google Solar API - Render any GeoTIFF data layer (rgb, dsm, annualFlux, monthlyFlux, hourlyShade, mask) as a PNG/JPEG and return a JSON payload with a public `url` field. Fetch that `url` (e.g. `curl -O`) to download the rendered image; the rest of the response carries metadata (`contentType`, `width`, `height`, `layer`, `bands`, `renderMode`, `month?`, `hour?`, `imageryDate?`, `imageryQuality?`). Accepts either a GeoTIFF `id` (Mode A) or `latitude`/`longitude` (Mode B, which resolves the layer URL via dataLayers:get). For monthlyFlux pass `month` (1-12) for a single month, omit for a 4×3 grid. For hourlyShade pass `month` (required in Mode B) and optional `hour` (0-23); omit `hour` for a 6×4 grid.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to Apollo, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.


Execute a command inside a running sandbox. Returns stdout, stderr, and exit code.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call AI gateway. Models, data, runtime — one endpoint, no API keys, settled in USDC on Base & Solana. One install for OpenClaw, Claude Code, or Franklin Agent.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call DeFi intelligence for autonomous agents. 28 endpoints across Trenches, Traders, LPs, DeFi, deBridge, and Nansen smart-money data. Multi-chain x402 on Solana, Base, SKALE + MPP on Tempo. No API keys — payment is the only gate.


Search Twitter/X for user accounts matching a keyword or phrase. Returns up to 20 matching user profiles per page with pagination support. Useful for discovering users by topic, name, or keyword. Query params: query (string, required) - search keyword or phrase; next_token (string, optional) - pagination cursor from previous response, e.g. GET /users/search?query=bitcoin. Returns X v2 API-compatible JSON.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time Twitter/X data for AI agents. No sign-up, no API keys. Pay per request in USDC on Base via x402.


Nansen AI - Agentic Trading with Onchain Intelligence

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=The first truly agentic onchain app: research, analyze, and execute, all in one loop. Ask anything about crypto and make a trade in seconds, with 500M+ labelled addresses powering the engine.


Otto AI x402 — Programmable USDC payments for AI agents

DeFi yield farming markets with live APYs across Aave V3 and Morpho protocols on Base and Ethereum

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=37 pay-per-call AI services on x402 V2 — market intel, DeFi execution, AI creative tools. USDC on Base, Polygon, or Solana. From $0.001 per call.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Pay-per-generation AI image and video creation. No subscriptions ever.


Base X Reposts quick endpoint. Call with url (+ optional amount), then pay the returned job pay URL.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Trading; origin=Decentralized engagement services powered by x402 micropayments. Likes, reposts, comments on X, Instagram, YouTube, and more.


DataBR — API de Dados Públicos Brasileiros

MapBiomas — classificação de uso e cobertura do solo por bioma, município e ano (Projeto MapBiomas)

mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=120+ endpoints cobrindo economia, empresas, mercado, legislativo e transparência. Pagamento instantâneo via protocolo x402 — sem cadastro, sem API key.


Convrgent — Personality Intelligence Platform for AI Agents | 45 API Endpoints, 11 Frameworks

Objection Predictor â predicts buyer's likely objections ranked by probability with personality-matched rebuttals. Maps objections to personality drivers and provides science-backed counter-strategies.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Personality intelligence for AI agents. 45 endpoints, 11 frameworks. Pay per call in USDC via x402. No API keys needed.


402.bot | Recipes and token-efficient x402 workflows for AI agents

AIXBT Projects: List AIXBT-scored projects with ranking, popularity, and crypto narrative metadata. Useful for crypto project discovery, AI-agent market scans, leaderboard views, and early-stage research. Pre-normalized output that saves agents 80-95% of LLM context tokens versus raw fetch + parse pipelines.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=402.bot helps agents discover paid APIs, run deterministic recipes, and buy compact structured outputs that turn multi-step research into one call and save tokens versus raw fetch-and-parse flows.


Carbon & Cashmere — Crypto Intelligence Infrastructure

Get Pearson correlation matrix for 2-10 crypto assets â daily return correlations computed over 7 to 90 days with full NxN matrix and unique pair list. Supports any combination of 116 tracked coins. AI agent API for portfolio diversification analysis, cross-asset correlation monitoring, and risk decomposition.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Crypto Intelligence Infrastructure: 75+ AI-Agents, 4 eigene Blockchain Nodes, 7-Signal Trading Pipeline, x402 API, MCP Server. Echtzeit-Signale, On-Chain-Daten, ML Predictions.


Search tours and activities within a geographic square

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request access to flights, hotels, activities, and transfers. No auth, no subscriptions.


OneSource - Pay-per-call Ethereum RPC for Agents

Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call Ethereum mainnet RPC for AI agents. Live block, balance, contract, NFT, transaction, and event data served directly from mainnet nodes. No API keys, no accounts; pay per request — USDC on Base via x402, or pathUSD or USDC.e on Tempo via MPP.


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Invoice Verify — Spain costs $0.1500 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.


AgentMail | Email Inbox API for AI Agents

Service: AgentMail API (/v0/inboxes/{inbox_id}/messages/{message_id}/reply)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.


FetchForge — Web Fetching & Scraping API for AI Agents

Fetch multiple URLs in parallel (up to 10)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Fetch URLs, extract structured data, search the web. Pay per call with USDC on Base via x402 protocol. Built for AI agents.


Natural Language Top Stressed brief rendered from compact ATLAS-7 evidence.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=DeltaSignal Azure Marketplace and x402 agentic market frontend.


Autonomagic — autonomous AI agent earning USDC on Base via x402

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=An AI agent that runs as its own business on Base mainnet. Sells 22 paid HTTP endpoints behind the x402 protocol. Hot-reloads new revenue lines as code in 400ms.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Bitcoin fee estimator accuracy analytics

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Know when to send Bitcoin and when to wait. Satoshi API gives apps and AI agents live fee recommendations, mempool context, and cost estimates. Free, open source.


AurelianFlo — Compliance APIs for the agent era

Generate a report-oriented XLSX workbook from a shared report model with tabs and tables for analysis handoff, finance modeling, and spreadsheet-friendly exports.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call compliance API. OFAC screening, vendor diligence, Monte Carlo reports, and audit-ready document output. No subscription. Works with Claude Connectors and MCP-compatible clients.


ERC-20 token holders by chain - ranked by balance descending with first-acquired and transfer-initiation flags

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=DeFi APIs for AI agents. 36 pay-per-call endpoints for token data, pricing, wallet analytics, swap routing, and on-chain workflows. Powered by x402 on Base.


Japan public-data APIs for AI agents — kasanegi.com

Grant ranking for company profile (= 5-factor weighted; review-required). (JP Grants). Source: J-Grants PDL 1.0 + Mirasapo case_count + e-Stat adoption_rate (when ESTAT_LIVE_IMPLEMENTED).

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Stop scraping Japanese government and public-data sites. Call clean Japan payroll, company, and grant APIs over one host. Preview free; one public marketplace listing covers all current products; x402 direct is available for agent-native buyers.


LimitGuard - Trust Intelligence for the Agent Economy

Historical reputation trend data. Returns trust score timeline with change events and decay curves.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Real-time trust scoring for AI agents, businesses, and transactions. 8 data sources. One API call.


Get a list of all supported chains by the blockchain client. Returns an array of chain objects with detailed information about each supported chain.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AI Tools and MCP, APIs, and agents


Technical Batch - Multiple indicators in one call

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Hirescrape — Pay-per-call scraper API for AI agents

Extract creator link-in-bio data from link.me pages.

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-call web scrapers for AI agents. 28 tools across Reddit, 8-board job search (LinkedIn · Indeed · Glassdoor · Google Jobs · +5), TikTok · Douyin · Bilibili, cross-platform trend research, social media, and ad libraries. No API keys. Agent wallets settle USDC on Tempo or Base via x402 + MPP.


Get user followers in reverse chronological order (newest first). Returns exactly 200 followers per page, sorted by follow date. Most recent followers appear on the first page. Use cursor for pagination through the complete followers list. / Get user followers in reverse chronological order (newest first). Returns exactly 200 followers per page, sorted by follow date. Most recent followers appear on the first page. Use cursor for pagination through the complete followers list.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AIsa platform connects AI Agents  with digital resource providers through programmable, per-call micropayments — effectively turning API, model, or GPU cycle into a machine-tradable asset.