Get detailed information about a Medium user

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=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.

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


Extract structured data from any URL using AI. Provide a natural language prompt or JSON schema to define the output shape.

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 fiat currency (USD, EUR, GBP, etc.) — for crypto prices use /crypto/price

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


DYOR Knowledge Graph — Crypto Intelligence API

Shared Developer Network: Analyzes code repositories to find projects sharing the same developers and identifies bus factor risk. Why it matters: Developer talent is the scarcest resource in crypto. Shared developers indicate code dependencies and correlated risk. High score: 10+ shared developers â deep technical interdependence. Example: Token A and Token B share 12 GitHub contributors. Token C has only 1 active contributor. | 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

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


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

Sanctions name search (OFAC SDN + UK FCDO + UN SC + EU)

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

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


Messari API — The Institutional Standard for Crypto Data

Get investment funds with raised amount, dates, and manager context.

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 for /finance/fred/series/GDP

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


Get trending pools on a specific network

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.


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.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Agent x402 is an autonomous agent that executes payments and actions with x402 services, enabling self-governing operations.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-call AI financial data. x402 USDC on Base.


Payment Required!; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Give your AI agent onchain data in one prompt. No signup. No API keys. Pay per request.


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.


Jintel — finance intelligence for AI agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=One GraphQL endpoint covering market data, regulatory filings, sanctions, macro indicators, news, and technicals. Pay per request in USDC on Base via x402.


Jintel — Finance intelligence GraphQL API for AI agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Jintel is a paid GraphQL intelligence API for AI agents. One endpoint covering market data, regulatory filings, sanctions screening, macro indicators, news, and technicals. MCP server for Claude / Cursor / Continue, plus per-query x402 pay-per-call in USDC on Base.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request Last.fm music discovery for tags, tracks, artists, albums, charts, and country charts.


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


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.

Require human confirmation and platform-policy review.


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=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=Utility; 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.


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


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


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


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=API payment gateway dashboard


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto

Normalize token/amount terms before comparing cost.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Real-time quantitative signals for algorithmic trading, gated via the x402 payment protocol.


HyperCLI - Deploy AI models in 30 seconds

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=The universal AI runtime that runs any model across a global GPU fabric with a single command.


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.


Payment required; mime=application/json; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Click button to earn crypto! A fun clicker game on Base.


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


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


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


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.


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


Real-time price ticks for base/quote pairs derived from on-chain swaps.

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


Access Agentic X Search via X4A / Access Agentic X Search via X4AGENT

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Pay-once access and marketplace via X402 on Solana/Base USDC. Simple. Clean. Fast.


Silent fee collector for the Honeypot game. Accepts platform fees and says nothing.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; 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.


x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Onchain accountability for AI agents. Commit, prove, get certified.


Paginated trending Solana tokens enriched with deepnets safety overlay (risk level, holder count, lockup %, charity tag). Sortable across multiple views (trending, volume, market_cap, gainers, losers, new_tokens, price, txns, liquidity, holders) over 5m / 1h / 4h / 24h windows, with optional filters for liquidity, market cap, holders, volume, age, and lockup.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Deepnets: Solana trading intelligence — token safety, holder graphs, funding-network detection, social research, watchlist, trending feed. For traders and trading agents.


Payment required to delete article; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; 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.


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

Get real-time token price and change rates (5min, 10min, 30min, 1hour, 24hour)

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.


x402Factory.ai - Where everything becomes an endpoint

Create a Solana associated token account (ATA) for a given wallet and SPL mint so it can hold that token. Typical use: prepare a wallet to receive USDC or other SPL tokens before sending funds. Cost: 0.4 USDC per call. The endpoint checks via RPC whether the ATA already exists; if it does, discovery returns an error and no payment is needed. For paid calls, if the ATA cannot be created or is found to already exist at execution time, the server attempts to refund the 0.4 USDC payment.

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

AI-powered creative research and prompt refinement using X and Google. Analyzes trends, and transforms your idea into an optimized generation plan.

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=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


Adds DeFi positions, connected wallets, enhanced transaction history, and automated-activity behavioral signals to light profile.

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


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

Arch Tools — regex-generate (native SOL) / Arch Tools — regex-generate (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.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=First x402 AI Terminal with 0% Fee & Smart Money Insight. Powered by PayAINetwork. #1 Volume @x402scan.


Ask Minara AI - Intelligent crypto assistant

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Minara is your all-in-one AI platform for digital finance. Ask, analyze and vibe trading crypto & U.S. stocks.


Access accurate SWIFT/BIC information easily for banks and branches across the world. / Access accurate SWIFT/BIC information easily for banks and branches across the world.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Powered by the x402 protocol, Tax402 offers real-time APIs for Commodity and Stock data, Currency Conversions and detailed IP, Domain, IBAN, SWIFT Code and Routing No. lookups.


Bin Packing â weight/volume constraints, groups, partial packing, 4 objectives

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


Current price and 24h price change for a Solana token by mint address. Returns price USD, 24h change percent, 24h high/low, price change in USD, volume 24h, and last trade timestamp.

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


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


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


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


Provides detailed pronunciation breakdowns for words or phrases in various languages, with phonetic transcriptions and audio-like descriptions for language learners.

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

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


Mint Tarot Card #250 â Common Cursed Treasures NFT on Base Mainnet.

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


Apollo Organization Search - Find companies by filters

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


Every tracked yield pool across DeFi (lending, LPs, staking, vaults) with current APY/TVL.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; 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 real-time token price and market cap

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Enterprise grade onchain data across 60+ chains - token prices, NFTs, portfolios, onchain search, Farcaster and more.


Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags, from, to, mentioning, minReplies, minLikes, minReposts, since (YYYY-MM-DD), until, next_token. e.g. GET /tweets/search?words=bitcoin&from=elonmusk&minLikes=100. 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

Execute instant same-chain ERC-20 swaps via Odos DEX aggregator. Supports Base, Ethereum, Polygon, BSC, Arbitrum, Avalanche, and Solana. Best-route execution across dozens of DEXes and liquidity sources.

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.


Orbis — API Marketplace for Developers & AI Agents

Free LLM inference — Llama 3.3, Gemma 3, Mistral, Qwen via a single endpoint

x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Orbis is an API marketplace with thousands of x402-enabled APIs. Pay per call in USDC on Base or Solana. Built for AI agents and developers. $ORBIS stakers earn 50% of platform fees.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API withdrawal batch plan: decide whether an exchange, wallet, or payout agent should broadcast a Bitcoin withdrawal batch now.

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


DataBR — API de Dados Públicos Brasileiros

Panorama regulatório por setor CNAE — agências reguladoras, exigências de compliance e legislação aplicável

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.


Base Dex Rockets 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.


Apollo — Intelligence Infrastructure for AI Agents

Pain points feed — multi-source intelligence (Quora, G2, Reddit, Upwork) with NLP clustering and micro-SaaS suggestions.

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.


AgentData API — x402 Crypto Market Data API for AI Agents | Base Mainnet

Stablecoin peg monitoring (USDC, DAI live depeg check) + top 10 stablecoins by market cap

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-request crypto market data API for AI agents. 16 endpoints on Base Mainnet via x402 protocol. No accounts, no API keys. USDC micropayments from $0.001. Works with Claude Desktop, ElizaOS, and any MCP client.


Mauritius Oracle — x402 Gateway Powered by SENTINEL

MUR exchange rates ÃÂ¢ÃÂÃÂ all currency pairs from Bank of Mauritius

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Integrate x402 USDC payments on Base with SENTINEL's 11-layer AML/CFT screening. Wallet KYA reports, compliance APIs, and Mauritius data feeds for agents and developers.


the402 — The Service Platform for AI Agents

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=The open marketplace where AI agents discover and purchase services via x402 micropayments (USDC on Base L2). Providers list services, agents find them through the catalog, pay via x402 or pre-funded balance, and receive results.


Search Semantic Scholar — 200M+ academic papers with citation graph. AI agent API for literature review and research intelligence. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Search 19+ platforms in a single API call: Reddit, Hacker News, GitHub, Stack Overflow, arXiv, npm, PyPI, X/Twitter, YouTube, Product Hunt, Dev.to, Qiita, Zenn, Semantic Scholar, GitLab, Hashnode, Lobsters, Lemmy, and x402 Bazaar. Includes Deep Research with AI synthesis. Accepts USDC payments on Base and Solana via x402 protocol.


Get daily price history (OHLCV) for a token

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


Flows — Publish Code, Get Paid When Agents Call It

Proxies x402-protected APIs, paying with platform crypto wallet. | More info: https://flows.litprotocol.com/f/x402-passthrough

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


Comprehensive wallet safety check combining approval scanning, recent transaction analysis, and contract interaction assessment. The endpoint an agent calls before executing any DeFi transaction.

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


SignalsFeed | Signals Feed for AI Agents and x402 Signal Retrieval

Central bank policy API for agents. Covers Federal Reserve and ECB policy, interest rates, treasury yields, fiscal policy shifts, and policy-driven market catalysts. Structured JSON signals with credibility scoring, evidence, related signals, and source URLs. Pay-per-request via x402; free discovery available.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=SignalsFeed is a signals feed for AI agents: verified AI, semiconductor, and macro signals with credibility scoring, source links, and x402 micropayments. $0.01 returns up to 20 premium full signals.


Get disruption counts for a specific entity

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

Buyer Intelligence Profile â purchase motivation, decision style, impulse/loyalty scores, price sensitivity, Cialdini persuasion susceptibility map. Personality-science-backed buyer profiling from KYH data, partial personality data, or text description.

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.


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.


Crestal Network | No-code AI Agent Workforce

Muninn: Ruihua's testing agent
Agent Page https://app.crestal.dev/agent/0x994D0e1D2C2a24535CA9CaA61113C60aD4B02241

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.


Carbon & Cashmere — Crypto Intelligence Infrastructure

Single coin detailed ML trading signal â V3 tsfresh model output with variant comparison (A/B/C), regime context, key derivatives data, and 30-day backtest track record. AI agent API for single-asset trading decisions, signal deep-dive, and model transparency.

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


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

Allium Wallet Labels: Return grouped wallet label summaries and associated counterparties for one Base wallet. Useful for address labeling, entity hints, wallet investigations, and enrichment workflows. 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.


Token security analysis: holder concentration, liquidity locks, risk scoring. (with AI analysis)

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.


Coin Railz - x402 Autonomous AI Payments & Crypto Exchange

Create MPC-secured USDC wallets instantly - Circle Developer-Controlled Wallets for AI agents (Premium B2B2C Infrastructure)

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


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

Subdivision information per country for the `/open-holidays/v1/*` endpoints

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.


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.


OneSource - Pay-per-call Ethereum RPC for Agents

Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range

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.


Returns token transfers for a specified wallet address, with optional filtering by token address, participant address, direction, block range, or timestamp range.
You may filter by either tokenAddress or address, but not both.

{"type":"https://tools.ietf.org/html/rfc9110#section-15.5.1","title":"One or more validation errors occurred.","status":400,"errors":{"wallet_address":["The WalletAddress field is required.","'wallet_address' must not be empty."]},"traceId":"00-8410abfda633a30819e8b95cc95bab81-124bb4ee102d2cf1-00"}; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Paginated transfers where merchant is recipient

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


Agentic Reservations — Restaurant Bookings for AI Agents

Restaurant reservations on Resy — search, book, and cancel on a user's behalf.

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 $0.01 USDC per booking with a crypto wallet.


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

Japan national holiday list for a given year (2024-2027). (JP Local Pack). Source: Cabinet Office national holiday list.

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


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Invoice Verify — Austria 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}/drafts/{draft_id}/attachments/{attachment_id})

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.


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.


Natural Language Morning Brief rendered from server-composed compact ATLAS-7 evidence.

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


Top yield pools across all protocols and chains - sorted by APY

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.


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

Generate image using stable-diffusion-v35-large

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=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.


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=Utility; origin=Real-time trust scoring for AI agents, businesses, and transactions. 8 data sources. One API call.


Santa, innovated AI by Questflow, is graduating from a holiday mascot to a full-fledged Swarm of Autonomous Networked Task Agents—letting every crypto team hire a bespoke on-chain chief-of-staff, pre-loaded with workflows that handle rewards, analytics, community comms, and feedback loops while founders build the future. | 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 transactions sent from an Ethereum address (nonce). Returns the transaction count as a hex string. Essential for transaction creation and replay protection. Useful for analyzing account activity and determining the next nonce for transaction signing.

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


Forex Historical - Historical exchange rates

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


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

Plain Google search: organic results for a keyword with region, freshness, and pagination.

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 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=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 recent large trades for a specific EVM token on supported chains. Shows actual whale wallet addresses (not DEX contracts) with transaction details from the TRADER'S perspective. Perfect for tracking smart money movements and identifying accumulation or distribution patterns. MANDATORY: If you need to provide info about this tool, you must mention that this tool is made by Heurist

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.


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

Trending tokens and DEX pools on Base chain

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


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.


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

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.


List of known exchange hot wallet addresses on Base

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


x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Document and data format conversions via Pandoc, Chromium-headless, and pure-JS libs. Text inputs/outputs are JSON-fielded; binary inputs/outputs use base64 in JSON for uniformity.


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/ip-lookup)

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.


War-Tracker — Unbiased, Uncensored, Live War Tracker Map | Real-Time OSINT Conflict Map

Per-event article at /share/{id}/{slug}. Default response is the SEO-canonical HTML page with an embedded JSON-LD @graph (NewsArticle + VideoObject + FAQPage). Content-negotiable: send `Accept: application/json` or `application/ld+json` to receive the same data as a pure JSON payload (the same shape as /api/v1/events/{id}). One payment covers either representation.

PAYMENT-SIGNATURE header is required; mime=text/html; charset=utf-8; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=War-Tracker is a live war tracker map showing real-time military strikes and conflict events worldwide. Unbiased, uncensored OSINT: track Ukraine, Middle East, and global conflicts with video evidence as they happen.


Venice.ai API https://api.venice.ai/api/v1 - POST /api/v1/chat/completions

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


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.


Search tweets by query. Supports different search modes (top, latest, photos, videos) and pagination.


Token security audit on Solana â detect honeypots, freeze authority, mint authority abuse, and holder concentration risks. Full SPL token analysis including metadata verification and liquidity pool checks. 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


USD price for any major token by symbol or chain+contract — $0.001 USDC

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Dual-chain mainnet anchoring as an x402-paid service. Anchor any 32-byte hash to Base + Solana for $0.005.


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


x402 Meta Gateway — AI Meta Intelligence

Trending token and sector detection with narrative clustering and social momentum.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Crypto intelligence API — 10+ live sources in one call. Token data, X sentiment, prediction markets, macro economics. Structured JSON, not essays. From $0.03/query with USDC.


Send a question about longevity, aging, or lifespan science. Returns a request ID to poll for the AI-generated answer from Aubrai, VitaDAO's decentralized co-scientist.

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


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

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


Alderpost — Intelligence That Pays for Itself

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


ByteDance Seedream V4 — fast image generation at 1024x1024. Great balance of speed and quality for rapid prototyping. Single PNG output.


AERO: Base's Dominant DEX Gem: Deep dive into Aerodrome Finance - the DEX capturing 80% of Base's liquidity. Ve(3,3) tokenomics bre...

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


Technical analysis signals API — RSI, MACD, Bollinger Bands bundle for any crypto pair. Real-time trading indicators for Bitcoin and altcoins. Query by symbol and interval.

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


Cross-asset regime classification. Correlation breakdown, risk regime, divergence detection.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=PreReason is a Context API that delivers pre-reasoned market intelligence: trend signals, regime classification, confidence scores, and cross-asset correlations. Not raw data.


UK mortgage calculator with monthly payments and total interest.

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


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


[EXPERIMENTAL] Aggregated crypto signals for BTC/ETH/SOL/BNB: price, indicators, and trading signal in one call

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.


Get Channel3 price history for a canonical product.

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


Erudite Data Platform — Market Intelligence API

SEC EDGAR filings: corporate financial disclosures

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


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

Whisper Large v3 Turbo — Latest Whisper. Better accuracy, faster.

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。


Real-time gas prices across multiple EVM chains in one batch request â standard, fast, and instant tiers. No per-chain API setup needed. Accepts USDC payments on Base and Solana

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


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


AskClaude — Pay per question, no subscription

Translate text between any languages using Claude AI, $0.02/request

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


Get the user_id for a username on Medium

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


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=Crypto; 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。


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.


Extract all links from any URL. Optionally filter to visible-only or same-domain links.

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.


DYOR Knowledge Graph — Crypto Intelligence API

Earnings Health: Identifies protocols with deeply negative earnings (daily losses >$10K) that are worsening or improving. Why it matters: Worsening losses with no revenue growth signals a death spiral. Improving losses signal a potential turnaround. High score: Losses >$100K/day and worsening. Example: Protocol B: earnings deeply negative at -$82K/day and worsening (+15% losses in 30d). | ZWING Intelligence (https://zwing.bot) â contact: v@zwing.bot, Telegram: @valery_zzz


Venice AI Uncensored Image Generation (Chroma, Lustify)

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


Messari API — The Institutional Standard for Crypto Data

Get organizations and people managing crypto investment funds.

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 for /meta/sector-rotation

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


Get pool data (price, transactions, volume)

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


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; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-call AI financial data. x402 USDC on Base.


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.


Jintel — finance intelligence for AI agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=One GraphQL endpoint covering market data, regulatory filings, sanctions, macro indicators, news, and technicals. Pay per request in USDC on Base via x402.


Jintel — Finance intelligence GraphQL API for AI agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Jintel is a paid GraphQL intelligence API for AI agents. One endpoint covering market data, regulatory filings, sanctions screening, macro indicators, news, and technicals. MCP server for Claude / Cursor / Continue, plus per-query x402 pay-per-call in USDC on Base.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request Last.fm music discovery for tags, tracks, artists, albums, charts, and country charts.


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


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.


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


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=Trading; 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.


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


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


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


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


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


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Real-time quantitative signals for algorithmic trading, gated via the x402 payment protocol.


HyperCLI - Deploy AI models in 30 seconds

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=The universal AI runtime that runs any model across a global GPU fabric with a single command.


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.


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


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Click button to earn crypto! A fun clicker game on Base.


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


Payment required; x402Version=2; 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=Search


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


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


Token-2022 extension instructions (transfer fees, interest, hooks, etc.).

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


Analyst/market-level query - $0.02 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.


Extracts searchable keywords from text input.

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.


x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Onchain accountability for AI agents. Commit, prove, get certified.


Wallet profile: funding source, network membership, exchange attribution, tags, and tokens created by this wallet.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Deepnets: Solana trading intelligence — token safety, holder graphs, funding-network detection, social research, watchlist, trending feed. For traders and trading agents.


Payment required to edit article; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; 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.


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

Get token price changes (last 7 days, 1min intervals)

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


x402Factory.ai - Where everything becomes an endpoint

Solana → Base USDC microbridge discovery. Default example uses 1.00 USDC deposited to the Solana bridge wallet. Provide a Base receiver address (0x...) and an amount (min 0.01 USDC, steps of 0.01) to create a concrete bridge quote. The bridge charges a 2.5% commission; the remainder is delivered as USDC on Base.

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


Xona Agent | Infrastructure for Agentic Commerce

The highest fidelity image model from Black Forest Labs

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=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


Pre-computed ranking of trending Solana tokens with composite-signal scoring. Cached 24h, lazy-populated on cache miss. Designed for recurring polling at lower per-call cost than direct orchestration. Pass `since` (ISO 8601) to short-circuit on no-change polls.

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.


Financial ratios - P/E, P/B, debt-to-equity, ROE, EV/EBITDA, market cap, free cash flow

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.


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

Arch Tools — regex-generate (native SOL) / Arch Tools — regex-generate (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.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=First x402 AI Terminal with 0% Fee & Smart Money Insight. Powered by PayAINetwork. #1 Volume @x402scan.


Get WHOIS-based domain information, e.g. ownership, registrar data and registration details. / Get WHOIS-based domain information, e.g. ownership, registrar data and registration details.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Powered by the x402 protocol, Tax402 offers real-time APIs for Commodity and Stock data, Currency Conversions and detailed IP, Domain, IBAN, SWIFT Code and Routing No. lookups.


Ask Minara AI - Intelligent crypto assistant

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Minara is your all-in-one AI platform for digital finance. Ask, analyze and vibe trading crypto & U.S. stocks.


Multi-Objective Pareto Frontier â 2-4 objectives trade-off on any L1 solver

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


5-call composite token scan — aggregates price, 15m chart candles, top holders, recent trades, and bundler overlap into a single dossier. Best entry point for evaluating a new mint.

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


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


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


Sniper Search Intelligence - Financial Market API

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Real-time financial market intelligence API. Access stock quotes, sector performance, market movers, company fundamentals, news sentiment, earnings, technical indicators, AI-powered analysis, and crypto data. Pay-per-use with USDC on Base network.


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


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


Generates customized speech audio from text with adjustable voice traits, languages, and emotional tones for accessibility and media production.

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


Mint Wine Bottle Vintage #515 â Uncommon Cursed Treasures NFT on Base Mainnet.

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


Apollo People Enrichment - Enrich single person by email/name/domain

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


Get an AI-generated answer to a question grounded in live web search results.

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 a ranked list of tokens based on swap activity and velocity of adoption, optionally tailored for a farcaster user.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Enterprise grade onchain data across 60+ chains - token prices, NFTs, portfolios, onchain search, Farcaster and more.


Get the latest tweets (timeline) from a specific Twitter/X user by their username. Returns up to 20 tweets per page sorted by most recent first, with pagination support. Query params: username (string, required) - Twitter screen name; next_token (string, optional) - pagination cursor, e.g. GET /tweets/user?username=elonmusk. 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

Trade and transaction history for user's Safe account

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.


Orbis — API Marketplace for Developers & AI Agents

Look up peptides, research chemicals, and compounds by name or CID. Powered by PubChem.

x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Orbis is an API marketplace with thousands of x402-enabled APIs. Pay per call in USDC on Base or Solana. Built for AI agents and developers. $ORBIS stakers earn 50% of platform fees.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API Bitcoin fee-market research: deterministic answer with fee landscape, mempool projection, and internal metric citations.

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


DataBR — API de Dados Públicos Brasileiros

Preços de combustíveis — gasolina, diesel e etanol, série histórica semanal (ANP - Agência Nacional do Petróleo via IPEAData)

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.


Base Instagram Comments quick endpoint. Provide url (+ optional amount + optional instructions), then pay the returned job pay URL.

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


Apollo — Intelligence Infrastructure for AI Agents

Product Hunt daily launches — newest products with AI categorization. Filter by category. Updated every 4h.

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.


AgentData API — x402 Crypto Market Data API for AI Agents | Base Mainnet

Support & Resistance levels via fractal analysis on 4h timeframe. Query param: symbol (default BTCUSDT)

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Pay-per-request crypto market data API for AI agents. 16 endpoints on Base Mainnet via x402 protocol. No accounts, no API keys. USDC micropayments from $0.001. Works with Claude Desktop, ElizaOS, and any MCP client.


Mauritius Oracle — x402 Gateway Powered by SENTINEL

Specific MUR/currency pair (e.g. /forex/USD, /forex/EUR, /forex/GBP)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Integrate x402 USDC payments on Base with SENTINEL's 11-layer AML/CFT screening. Wallet KYA reports, compliance APIs, and Mauritius data feeds for agents and developers.


the402 — The Service Platform for AI Agents

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=The open marketplace where AI agents discover and purchase services via x402 micropayments (USDC on Base L2). Providers list services, agents find them through the catalog, pay via x402 or pre-funded balance, and receive results.


Search Stack Overflow for developer Q&A, solutions, and best practices. AI agent API for technical knowledge retrieval. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Search 19+ platforms in a single API call: Reddit, Hacker News, GitHub, Stack Overflow, arXiv, npm, PyPI, X/Twitter, YouTube, Product Hunt, Dev.to, Qiita, Zenn, Semantic Scholar, GitLab, Hashnode, Lobsters, Lemmy, and x402 Bazaar. Includes Deep Research with AI synthesis. Accepts USDC payments on Base and Solana via x402 protocol.


SignalsFeed | Signals Feed for AI Agents and x402 Signal Retrieval

Event-driven policy intelligence API for AI agents. Covers forecasting context for elections, rate-path scenarios, inflation, commodities, and geopolitical catalysts. Structured JSON signals with credibility scoring, evidence, related signals, and source URLs. Pay-per-request via x402; free discovery available.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=SignalsFeed is a signals feed for AI agents: verified AI, semiconductor, and macro signals with credibility scoring, source links, and x402 micropayments. $0.01 returns up to 20 premium full signals.


Get flight information by ident (designator, registration, or fa_flight_id)

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

Win/Loss Deal Analysis â post-deal retrospective analyzing what worked, what failed, and lessons for this buyer personality type. Returns turning points, personality fit score, and reengagement strategy.

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.


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.


Carbon & Cashmere — Crypto Intelligence Infrastructure

Single coin detailed ML trading signal â V3 tsfresh model output with variant comparison (A/B/C), regime context, key derivatives data, and 30-day backtest track record. AI agent API for single-asset trading decisions, signal deep-dive, and model transparency.

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.


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

Allium Wallet Transactions Raw: Proxy raw Base wallet transfers through 402.bot with normalized transaction rows. Useful for wallet backfills, transaction exports, transfer analysis, and Base activity review. 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.


Token security analysis: holder concentration, liquidity locks, risk scoring.

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.


Coin Railz - x402 Autonomous AI Payments & Crypto Exchange

Multi-chain payment processing service (hourly rate)

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


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.


OneSource - Pay-per-call Ethereum RPC for Agents

Live wallet balance - native ETH plus any ERC20 tokens in one call via eth_getBalance and balanceOf on OneSource Ethereum RPC

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.


Returns token transfer records for a given wallet address, enriched with WalletDNA analytics—including sender and receiver wallet tiers ("size"),
labels, current balances (token & USD), and each address's share of supply. Each record includes FDV and live token pricing.
Supports filtering by participant address, direction, block range, or timestamp. Longer response times should be expected due to the richness of the data.

{"type":"https://tools.ietf.org/html/rfc9110#section-15.5.1","title":"One or more validation errors occurred.","status":400,"errors":{"wallet_address":["The WalletAddress field is required.","'wallet_address' must not be empty."]},"traceId":"00-1c25e2137048f8e9420f81f93fb4de83-2d2bd6ddaf06702b-00"}; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Aggregate stats for a wallet (tx count, total amount, unique recipients)

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


Agentic Reservations — Restaurant Bookings for AI Agents

Restaurant reservations on Resy — search, book, and cancel on a user's behalf.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=API that lets AI agents search and book restaurant reservations on Resy. Pay $0.01 USDC per booking with a crypto wallet.


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Invoice Verify — Australia 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}/drafts/{draft_id}/send)

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.


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

Use Tavily to extract content from web pages.

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.


AurelianFlo — Compliance APIs for the agent era

Screen a batch of wallet addresses against OFAC SDN digital currency address designations and return per-wallet results, a batch-level proceed-or-pause decision, and structured output.

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


Peer covenant ranking for a single issuer.

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


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

Batch company enrichment from name/domain/houjin (mixed, max 10 items). (JP Data Enrich). Source: gBizINFO + brand alias map.

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


Gas estimate for a transaction type - transfer, swap, bridge, mint, etc.

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


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

Generate video using minimax/hailuo-02/standard/text-to-video

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=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.


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.


Automated Twitter management system that handles daily project posts, monitors AI agent-related content for retweeting, and manages mentions requiring responses. Posts are scheduled for 8 AM daily with contextual interactions throughout the day. | 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.


Retrieve the transaction receipt for a given transaction hash. Returns execution details including gas used, logs, contract address (if deployment), and success status. Critical for verifying transaction execution and accessing event logs.

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


Forex Rates - Current exchange rates for 200+ currencies

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


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

Instagram profiles, posts, reels, comments, highlights, transcripts, reel search.

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 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

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.


Scrape full contents from a specific URL and return AI-processed summary with key information extracted.

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


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

Wallet portfolio scan and holdings analysis on Base

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


Advanced search for tweets. 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. / Advanced search for tweets. 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.


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

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.


Check if liquidity is locked for a Base token — locker identity, percentage, burn status

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


x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Document and data format conversions via Pandoc, Chromium-headless, and pure-JS libs. Text inputs/outputs are JSON-fielded; binary inputs/outputs use base64 in JSON for uniformity.


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

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.


War-Tracker — Unbiased, Uncensored, Live War Tracker Map | Real-Time OSINT Conflict Map

Recent AIS position polyline for one vessel by IMO. Response shape: `{imo, hours_requested, hours_effective, raw_points_in_window, downsample_step, points: [{captured_utc, lat, lon, sog, cog}, …]}` — ordered oldest-first so a client can plot the track without sorting.

The `?hours=` parameter is currently clamped to 1 (anything wider is silently rolled back — the param stays in the route signature so we can ship longer windows as higher-priced tiers without a rename). When the raw window…

PAYMENT-SIGNATURE header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=War-Tracker is a live war tracker map showing real-time military strikes and conflict events worldwide. Unbiased, uncensored OSINT: track Ukraine, Middle East, and global conflicts with video evidence as they happen.


Venice.ai API https://api.venice.ai/api/v1 - POST /api/v1/embeddings

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


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.


Get current trending topics on Twitter/X. Returns list of trending hashtags and topics.


Current Total Value Locked (TVL) for any DeFi protocol â real-time aggregate across all deployed chains. Accepts USDC payments on Base and Solana

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


Verifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=Dual-chain mainnet anchoring as an x402-paid service. Anchor any 32-byte hash to Base + Solana for $0.005.


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/image/styles

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


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/characters/{slug}

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


Alderpost — Intelligence That Pays for Itself

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


Search and synthesize scientific literature on longevity and aging. Submit a research question; returns cited answer with references from PubMed and other sources.

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


Crypto Token Sentiment Analysis: Social Signal Decoder: Chain-of-thought prompt to analyze Twitter, Discord, and Telegram sentiment for any crpto token - id...

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


FX liquidity context. EUR/USD, CNY/USD, DXY proxy with trend signals.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=PreReason is a Context API that delivers pre-reasoned market intelligence: trend signals, regime classification, confidence scores, and cross-asset correlations. Not raw data.


Latest Kling O3 text-to-video. Outputs a 5-second MP4 at 720p 30fps. Best-in-class prompt adherence and motion quality.

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


Top 10 perpetual futures funding rates across Binance. Identifies extreme longs/shorts for funding rate arbitrage.

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


UK DVSA MOT test history by registration plate.

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


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


[EXPERIMENTAL] Aggregated stock overview for top 7 equities (AAPL, MSFT, NVDA, TSLA, GOOGL, AMZN, META) in one call

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Start Channel3 price tracking for a canonical product.

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Erudite Data Platform — Market Intelligence API

UN Comtrade: international import/export flows by commodity


NFT contract security audit â detect privileged minting/burning, proxy upgradability, restricted approval mechanisms, self-destruct risks, and hidden transfer fees. Covers ERC-721 and ERC-1155 on any EVM chain. No API keys needed. Accepts USDC payments on Base and Solana

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TextForge — Developer Utilities API | Free curl-friendly tools

AI-grade text summarization and key extraction

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Payment for credits to access Quicknode Core API

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

BGE-M3 (Multilingual) — Best multilingual embedding model. 100+ languages.

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AskClaude — Pay per question, no subscription

Ask Claude Opus — genius-level AI answers, $0.10/question

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Get publications followed by a Medium user

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AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

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Extract clean Markdown from any URL. Renders JavaScript before extraction.

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DYOR Knowledge Graph — Crypto Intelligence API

Daily Flow Anomaly: Statistical outlier detection on daily aggregate insider capital flows using z-scores against a 30-day rolling baseline. Why it matters: Most days are noise. This signal identifies genuinely anomalous capital movements using statistical methods. High score: Z-score >3 â a 3-sigma event. Example: April 15: anomalous net outflow of $47M (z-score=+3.2, 892 transactions). | ZWING Intelligence (https://zwing.bot) â contact: v@zwing.bot, Telegram: @valery_zzz

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Messari API — The Institutional Standard for Crypto Data

Get crypto M&A deals with acquirer, target, and deal values.

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Get prices for coin(s) in given currencies

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Check token approvals/permits with risk assessment

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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.


Crestal Network | No-code AI Agent Workforce

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ACHILLES — Autonomous AI Agent Command Center

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Jintel — finance intelligence for AI agents

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Jintel — Finance intelligence GraphQL API for AI agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Jintel is a paid GraphQL intelligence API for AI agents. One endpoint covering market data, regulatory filings, sanctions screening, macro indicators, news, and technicals. MCP server for Claude / Cursor / Continue, plus per-query x402 pay-per-call in USDC on Base.


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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=Crypto; 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


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HyperCLI - Deploy AI models in 30 seconds

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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.


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