OneSource - Pay-per-call Ethereum RPC for Agents

Contract introspection via eth_call - name, symbol, decimals, and ERC20/721/1155 interface support

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.


This endpoint retrieves token trade data enriched with WalletDNA metrics. Developers can filter trades by size, side, or wallet behavior
(IQ, Reputation, Flow, Mass, Epoch, Maker Presence). Responses include detailed trade, token, and wallet profiles, enabling advanced segmentation,
smart-money tracking, and high-signal on-chain analytics in real time.

{"type":"https://tools.ietf.org/html/rfc9110#section-15.5.1","title":"One or more validation errors occurred.","status":400,"errors":{"token_address":["The TokenAddress field is required.","'token_address' must not be empty."]},"traceId":"00-69ebb3e0e9029cf6f6e836f19aa13d3d-39bff20b4376c725-00"}; x402Version=1; scheme=exact; accept_verified=false; tags=Trading

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


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

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


Payment for overall security score evaluation ($0.01)

Payment required. Please provide X-PAYMENT header.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402-secure is the trust layer for x402 ecosystem. Powered by t54.ai.


Full researcher profile with contacts, papers, h-index

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


Payment required; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=Pay-per-request API access with no API key required.


Get a summary of token twitter profile's mentions along with sentiment

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

Require human confirmation and platform-policy review.


Agentic Reservations — Restaurant Bookings for AI Agents

Restaurant reservations on Resy â 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.

Normalize token/amount terms before comparing cost.


Query Bitcoin transaction and address data on-demand for verification and tracking.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Swap Bitcoin runes on-chain—effortlessly, fast, and secure. Enjoy the lowest service fee of just 0.5% and features like mempool sniper protection, Realtime Mempool Data, Lowest slippage


AgentMail | Email Inbox API for AI Agents

Service: AgentMail API (https://api.paysponge.com/v0/domains/{domain_id}/zone-file)

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.


Last.fm - get top tracks for a community tag or genre

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.


LimitGuard - Trust Intelligence for the Agent Economy

ERC-8004 agent wallet balance check. Returns USDC balance and transaction count for AI agent wallets.

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.


FetchForge — Web Fetching & Scraping API for AI Agents

Extract structured data from a webpage (links, images, meta, headings, text)

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

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

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


Mint ticker from 402rush, the first launchpad powered by Coinbase x402.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=The first launchpad powered by Coinbase x402.

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


Complete ATLAS-7 calculation-history rows for issuer/source-date slices, including covenant, fundamentals, peer, alpha, market regime, SPECTRA inputs, provenance, and hashes.

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


Anthropic Messages API compatible LLM inference (streaming supported)

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


Batch get user info by user ids. Pricing: Single user request: 18 credits per user, Bulk request (100+ users): 10 credits per user. Note: For cost optimization, we recommend batching requests when fetching multiple user profiles. / Batch get user info by user ids. Pricing: Single user request: 18 credits per user, Bulk request (100+ users): 10 credits per user. Note: For cost optimization, we recommend batching requests when fetching multiple user profiles.

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


x402pages - Books accessible via x402 protocol

Read this book on x402pages via the x402 protocol

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


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/co/company/dian/invoicer)

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.


Canonical token addresses and metadata per chain

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


Get tweet by tweet ids / Get tweet by tweet ids

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.


thirdweb API https://api.thirdweb.com - POST OpenAI compatible chat completion endpoint to interact with t0, thirdweb's blockchain LLM specialized in blockchain interactions.

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


AI inference. High-frequency pipelines, real-time classification, zero-latency loops. 1000 TPS. $0.80/call.

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


Octodamus — AI Market Oracle | NYSE, Bitcoin & Finance Intelligence

Payment Required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Octodamus is an AI market intelligence oracle for finance, investing, NYSE equities, and Bitcoin. Live signals: BTC oracle, S&P 500, Fear & Greed, macro regime, congressional trading, Polymarket edges. 27 data feeds. Free API — 500 req/day.


Enhance real-time messaging and notifications using the Telegram app, a valuable connector that brings the popular messaging platform's capabilities to your web2 and web3 applications. | 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 in a block specified by block number. Returns the transaction count as a hex string. Useful for analyzing block activity and transaction density across different blocks.

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


BLS Data Series - Query specific BLS data series


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

Scrape jobs from LinkedIn, Indeed, Glassdoor, Google Jobs, ZipRecruiter, Bayt, BDJobs, and Naukri in one call.

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.


Grok-powered news/X analysis + smart money detection in one parallel call. 10% cheaper than calling market-context + smart-money individually.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time news and X context for every prediction market


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402Hub — NEXT-GEN LAUNCHPAD PROTOCOL #x402


Retrieve the results of a Caesar research query by its research ID. Returns the research status and result if completed. Status can be 'queued', 'researching', 'completed', or 'failed'. 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=Search; origin=Generated by create next app


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


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


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

5-minute epoch prediction market discovery â active BTC/ETH markets with current odds and timing

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


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


Decentralized GPU LLM Inference | Jatevo (DGON)

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=The Distributed GPU LLM Inference Network. Route your prompts across a decentralized network of GPUs for low-latency, cost-efficient LLM inference.


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.


Get wallet identity across all supported chains (ETH, Base, Arbitrum, Polygon, Optimism)

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


Fia Signals x402 Base USDC token safety and smart contract risk batch API for buyer agents, trading bots, swap routers, and A2A commerce. Screen up to 5 Base/EVM contracts before a swap for contract risk, rugpull, honeypot, liquidity, and market risk. Returns safe/risky/blocked verdicts, scores, warnings, GoPlus and DexScreener evidence, and aggregate counts in one paid pre-swap call.

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


Witness API https://api.witness.co - GET getLeafIndexByHash

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


Full Tron wallet profile: TRX/USDT balances, tokens, resources, tx count, age


Creates images using OpenAI's image generation models. Supports text-to-image generation with customizable size, quality, and style parameters.

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Monetize AI Apps in Minutes


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

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


Get real-time Bitcoin (BTC) price data from Binance for 0.05 USDC

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


Sniper Search Intelligence - Financial Market API

Payment required for service: /process-request; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; 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.


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.


Real-time crypto sentiment analysis - Reddit sentiment for BTC, ETH, SOL and 9 other cryptocurrencies

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Real-time crypto sentiment analysis API. Pay $0.03 per query with USDC on Base. No subscriptions.


Sundial Exchange – Solana DEX | Best Rates, Low Fees

Access /api/dex/overview - Sundial Exchange API (Base) for $0.10 / Access /api/dex/overview - Sundial Exchange API (Solana) for $0.10

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Instant, secure token swaps on Solana with optimal routing, low fees, and a streamlined trading experience.


Academic letter grade with red-pen marginalia for anything. $0.01 USDC.

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


Extract all hyperlinks (href) from any URL.

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


Service: Nyne AI (https://api.paysponge.com/person/search)

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


Venice.ai API https://api.venice.ai/api/v1 - DELETE /api/v1/api_keys

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


voidly — network intelligence built on trust

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


Like a tweet. Requires user authentication cookies.

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


DeFi protocol fee and revenue data â daily/weekly totals, revenue breakdowns, and protocol earnings. Essential for protocol valuation. Accepts USDC payments on Base and Solana


List supported tokens on Base with contract addresses, decimals, and symbols.


Get latest prices for commonly traded commodities sourced from leading global exchanges. / Get latest prices for commonly traded commodities sourced from leading global exchanges.

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


Testing Alpha Marketplace - Payment Flow Verification: This is a test alpha to verify the x402 payment flow is working correctly on production. Testing the...

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


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


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


Venice.ai API https://api.venice.ai/api/v1 - POST /api/v1/api_keys/generate_web3_key

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


Bitcoin on-chain context. Active addresses, transaction volume, momentum.

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


x402 Meta Gateway — AI Meta Intelligence

Side-by-side token comparison across price action, volume, sentiment, and fundamentals for allocation decisions.

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


Google Veo 3.1 — the latest and most capable Veo model. Reference-guided ~8s MP4 at 720p with NATIVE AUDIO. Best-in-class temporal coherence and realism.

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


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


HyperCLI - Deploy AI models in 30 seconds

first-last-frame-video — fixed price $0.25

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.


Alderpost — Intelligence That Pays for Itself

Health intelligence with NIH RxNorm drug interactions. FDA drug labels, adverse events, recalls, nutrition data + drug interaction checking. Risk scored 0-100.

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


AI-powered trading signal generator. Get long/short recommendations with entry price, stop loss, take profit levels, and confidence score based on technical indicators like SuperTrend and ATR.

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


Get Channel3 v1 product detail by product_id.

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


Smart contract audit summary with vulnerability detection

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


UK vehicle CO2 emissions and engine data by registration plate.

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


[EXPERIMENTAL] Technical indicators: RSI, EMA20/50/200, MACD, ADX, Bollinger Bands

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


Generate a Cloudflare Images delivery URL with on-the-fly transforms. Supports resize, crop, format conversion, blur, sharpen, rotate, and more. The image must have been uploaded via /api/images/upload first.

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.


TextForge — Developer Utilities API | Free curl-friendly tools

Extract structured data from unstructured text (emails, URLs, dates, etc.)

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


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.


Erudite Data Platform — Market Intelligence API

Treasury fiscal data: federal revenue, spending, and debt


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 Small EN v1.5 — Fast, lightweight English embeddings.

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。


Get multiple cross-chain bridge routes with advanced options. Returns ranked routes by cost, speed, and reliability. Premium endpoint ($0.01).

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


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


List replies in a comment thread on a Canva design

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


AskClaude — Pay per question, no subscription

Ask Claude Opus (streaming) — real-time genius AI answers, $0.10/question

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


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

Combined economic digest with AI commentary

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.


Messari API — The Institutional Standard for Crypto Data

Discover blockchain networks by name, category, and ecosystem.

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


Get archived articles for a tag on Medium

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


DYOR Knowledge Graph — Crypto Intelligence API

Bridge Fund Detection: Computes network centrality metrics for every fund in the investment graph, identifying funds that connect otherwise separate clusters. Why it matters: Bridge funds are kingmakers. Their investment in a new project instantly connects it to multiple existing clusters. High score: Very high betweenness centrality â connects many separate communities. Example: Fund Z: PageRank=0.0082, Betweenness=0.034. Connects 4 isolated token clusters. | 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


Payment required for /utility/rss-to-json

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


Get all coin categories with market data

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.


Facebook - Get accounts user/page follows

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.


Settle On Base — SETTLE: MINTS THAT SETTLE ON BASE

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=$SETTLE is our first public, live-traffic run of the settlement layer. Connect your wallet, mint with USDC (Early Access), and experience the flow.


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


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=The ultimate meme token powered by x402 protocol


ClawNet — Ask anything. Get verified answers.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Ask anything. Get verified answers from 12,000+ data sources. Crypto, social, market intelligence — one query, no API keys needed. Just connect a wallet.


ShieldAPI – Real‑time Security Intelligence

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Brutalist security API for AI agents – free tier, pay‑per‑request via x402.


[HL] PRIVATEER — Open Hyperliquid Discretionary Desk

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=A fund of autonomous agents making discretionary calls on Hyperliquid. Follow trades, read analysis, copy positions — all accessible via x402 pay-per-call.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=A casino built for autonomous AI agents. Pay per play with x402 (USDC on Base), verify every roll with commit-reveal fairness, withdraw on-chain.


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


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


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


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=SamRagsdale.com


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request streaming availability data. Search shows, browse countries, and list genres across 60+ countries and 200+ services.


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Play the rocket crash game on Base network


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


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


Cluster Protocol - Liberation Engine for Internet Capital Market

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Liberation Engine for Internet Capital Market


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request AI 3D model generation. No API keys, no subscriptions.


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


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


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


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.


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


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


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


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


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


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


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


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


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Long-term memory layer for OpenClaw, MoltBook & Claude Code that learns and recalls your project context automatically.


ChainRay — On-Chain Intelligence for AI Agents

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


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


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=2345 bhoo on @x402scan - Mint your Bhooverse NFT


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


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


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


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


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=High-conviction AI-powered advanced analytics information delivered through X402 micropayments.


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


x402Version=1; 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=Real-time quantitative signals for algorithmic trading, gated via the x402 payment protocol.


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


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


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


Payment required; 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=Search


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=Crypto


Processed transactions that touch specified accounts or programs before finalization.

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


CryptoIZ MCP - Solana Whale Intelligence

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Solana on-chain whale intelligence for AI agents. 9 paid tools: whale alpha, accumulation, divergence, neutral, distribution, BTC regime, BTC futures. Pay-per-call via x402.


Gamble 2 Earn — AI-Powered Gambling Streams

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=AI agents gamble on your behalf. Watch live on PumpFun. Vote on strategy. Earn rewards. 14 games, 5 archetypes, 24/7 streaming.


Agent Tool Readiness Checker v1: compose x402 metadata scan, optional unpaid paid-path health probe, and launch/report guidance for agent-facing paid tools.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Preflight checks for paid agent tools: GateCheck seller-readiness checks, unpaid x402 paid-path probes, and launch-pack artifacts before marketplace listing.


$CONTEXT | Decentralized Memory for OpenClaw

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=Community-built decentralized memory layer for OpenClaw AI agents. Persistent memory, skill marketplace, agent intelligence on Solana.


Blocksize — Agentic Market Data for AI Agents

Real-time precious metals market data from Blocksize Capital.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Blocksize Capital provides agent-native market data with a public remote MCP discovery server and x402-paid HTTP market data endpoints.


Dexfra | The first x402 Operating AI Layer For Solana Trenches

Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Dexfun API = Solana on-chain data (Token/Wallet) + smart money analytics + trading execution — all in one with x402
Powering the next generation of autonomous agents, data products, and predictive ecosystems.


⚠ Assess market risk before trading! Get comprehensive risk analysis including volatility and liquidity depth. Understand how dangerous a market is before placing your bets.

x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=x402 Agent Backend API - Micro-transaction and agent registry services


Access perps-funding-pulse agent services

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


50000000000000 atomic units x402 Roshambo

Using $X402R to play Roshambo P2Earn Game

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


Solana RPC Request - Execute any Solana RPC method

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Blinks Labs: Next generation DeFi automation platform


Get transfers for an address or entity with configurable filters.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=A semantic search engine for blockchain data - powered by x402.


Meet BetPuter: the bot that watches the numbers so you can watch the game. One crisp insight, no noise.

Built for hoops obsessives, it digests odds, injuries, form, pace, travel, and head-to-head history—then distills it into a clear edge. Time-zone smart, injury-aware, and ruthlessly concise, BetPuter turns data sprawl into a quick read you can trust. Less scrolling, more knowing.

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


XPayGen - AI-Powered Services with x402 Payments

Get payment summary, balance, and transaction history

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=XPayGen: AI-powered content creation with x402 micropayments. Create posts, emails, and Discord messages effortlessly!


Streamflow vesting contracts for a token: locked supply and unlock schedule.

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.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AI-powered video intelligence API. Identify products, debunk ads, fact-check claims in any short-form video. Pay per request with USDC on Base or Solana. No accounts, no API keys.


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

Get Whale trading activities on all Alpha tokens (last 7 days, sorted by time descending)

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.


Solana wallet portfolio overview — returns token balances, total portfolio value in USD, token count, and recent activity summary for any wallet address.

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


Ask Minara AI - Intelligent crypto assistant

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=ngrok is the fastest way to put anything on the internet with a single command.


Xona Agent | Infrastructure for Agentic Commerce

AI video generation using ByteDance Seedance 2.0 via Replicate. Generates a video with audio from a text prompt — defaults to a 10-second 480p clip; duration up to 10s, resolution up to 1080p.

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


Compare 2-3 wallets: portfolio, activity, risk, labels. Rankings + summary picks.

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.


API health: verify server status and connectivity (x402)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Institutional-grade AI trading infrastructure for smart money automation. Real-time sentiment analysis, risk scoring, whale tracking, and automated execution.


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


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

Arch Tools — generate-hash (native SOL) / Arch Tools — generate-hash (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=Trading; origin=First x402 AI Terminal with 0% Fee & Smart Money Insight. Powered by PayAINetwork. #1 Volume @x402scan.


Prescriptive Intelligence â forecast (4 methods) + optimize + risk assess + actionable recommendations

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


Token metadata, price, and market cap. Basic lookup for any Solana token by mint address.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Agent economy network where agents compete in games, trade capabilities, and build reputation. USDC settlement on Solana. Self-registration with Ed25519 wallet auth.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Vishwa is building agent-native banking infrastructure for autonomous capital, bringing pre-execution control to agent-driven payments and capital flows.


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Trustless infrastructure for autonomous AI agents. Query agent profiles, reputation scores, and more via x402 micropayments.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Realtime voice, multi-agent chat, and MCP tooling in a single adaptive crypto workspace.


AABC Labs - The Ultimate Form of AI Agents

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AABC Labs is a fully open source AI agent platform that helps you accomplish any real-world task with ease. AI agents that handle everything from research to automation, plus native Web3 capabilities.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=The real-time explorer for machine payment settlements. Quality-scored API resources, facilitator leaderboards, and live multi-chain settlement data.


Engrave Protocol — BTCFi Tools for Smarter AI Agents

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


Mint Leather Wallet #717 â Rare Cursed Treasures NFT on Base Mainnet.

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

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


Simplifies complex legal contracts into plain language summaries, highlighting key terms and risks for better understanding.

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


Exa Find Similar - Find pages similar to a given URL

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.


Look up carrier info plus fraud signals (SIM swap detection, call forwarding) for a phone number.

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


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


Get a ranked list of NFT collections based on rading activity and collection popularity, optionally tailored for a farcaster user.

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


Get the latest tweets from a Twitter/X List by its numeric List ID. Returns ~100 tweets per page with pagination support. Query params: id (string, required) - numeric List ID; next_token (string, optional) - pagination cursor, e.g. GET /lists/tweets?id=84839422. 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.


List messages in a subdomain inbox ($0.001)

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-send email delivery. No API keys, no accounts.


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

Hyperliquid perpetual trading account snapshot with open positions, balances, and active orders

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=true; tags=AI; origin=Pay-per-generation AI image and video creation. No subscriptions ever.


Orbis — API Marketplace for Developers & AI Agents

Analyze, clean, summarize, and extract insights from any text in milliseconds.

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.


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

Search for places based on a query (basic details)

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


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API AI fee advice: plain-language Bitcoin fee recommendations for agents, wallets, and bots.

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.


Construct an unsigned ETH or USDC transfer transaction on Base

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Crypto; origin=pinion - an operating primitive for paid autonomous software.


DataBR — API de Dados Públicos Brasileiros

CNEP - Cadastro Nacional de Empresas Punidas — penalidades da Lei Anticorrupção por CNPJ (CGU Portal da Transparência)

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 Base Reposts quick endpoint. Create a paid WURK task to get reposts on a Base post. Provide a base.app post URL (and optional amount), pay with USDC via x402, and the job will be created on wurk.fun for users to repost the post and submit proof.

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.


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

Execute command in Mirage workspace {id}

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


JP Local Pack API — Japan office-automation data for AI agents

Japan corporate lookup by name for KYB / supplier-research / due-diligence agents -- returns ranked candidate houjin_number list for a typed keyword (e.g. 'Toyota' or 'ãã¨ã¿èªåè»'). Optional JIS2 prefecture filter (?pref=13). Returns candidates[] with houjin_number, name, name_en, location_postal, location_address, company_url, industries[], match_reliability (0-1), match_reason. Chains with /api/houjin-number/lookup for authoritative profile. Use when: buyer only has a company name and needs the 13-digit identifier. External call: METI gBizINFO name-search upstream. Pay-per-call via x402, no auth. Data: METI gBizINFO (https://info.gbiz.go.jp).

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Japan payroll / tax / social insurance / mynumber / corporate / invoice / holiday reference API for AI agents. x402 micropayments on Base. No API key.


UtilsForAgents — AI Agent Utility API | x402 Pay-Per-Call

Count the number of tokens in a text string using the specified tokenizer encoding. Supports cl100k_base (GPT-4/GPT-3.5, exact BPE), o200k_base (GPT-4o, exact BPE), claude (Claude models, estimated), and gemini (Gemini models, estimated). Use before sending text to an LLM to estimate cost, check context window fit, or enforce token budgets. For base64-encoded images, set content_type='image' for tile-based token estimation. Send {"text": "...", "encoding": "cl100k_base"}. Max 50 MB text.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call AI agent utilities plus a free feedback endpoint: JSON diff, EXIF extraction, metadata scrubbing, HTML-to-Markdown, URL fetching, and feature-request collection. $0.003/call for paid utility routes via x402 on Base or Solana.


Scan raw text for prompt-injection, secret, and PII risk before an agent trusts it.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Boundary Guard is x402-paid runtime trust infrastructure for production agents: risk scan, JSON extraction, schema normalization, PII redaction, text chunking, Boundary Receipts, and Agent Handoff Receipts.


List token launches in the vending machine. Results include the token information and launch progress (amount of USDC raised, queued, and completed purchases). Useful for searching ongoing or completed launches, or to get the token information for a specific launch.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=x402 Vending Machine - Create and buy tokens. Designed for humans and agents alike.


Submit completed work for a claimed quest. Uploads deliverable content to the protocol's storage layer, computes the keccak256 hash, and submits the hash on-chain. Gateway signs as the agent.

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


Get the next Japan business day after a given date on the specified axis (bank / admin / sse). For scheduling and settlement agents. Pay-per-call via x402, no auth. Data: Cabinet Office of Japan public holidays (public domain).


x402.tunedfor.ai — Crypto Market Data API for AI Agents

Raw Pillar token snapshot â 16 reliable fields, no LLM. Price, volume, on-chain metrics, orderflow, sentiment. 15 tokens. Use as feed input for your own models.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Cross-exchange crypto market structure API. Aggregated orderflow, buy/sell ratios, CVD, liquidation pressure, and regime detection from 20 exchanges in one call. Free via MCP. Pay-per-call REST in USDC. No signup.


Generate engaging social media posts, hashtag strategies, posting schedules, and platform-specific content recommendations

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Specialized AI agents powered by Gemini Pro with x402 micropayments


AurelianFlo - OFAC Wallet Screening and Compliance APIs

Run an OFAC wallet screening check and return a report-ready compliance payload for crypto payment review, treasury controls, exchange operations, and AML workflows.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-call OFAC wallet screening, batch crypto sanctions checks, EDD memos, and audit-ready document output. Built for humans, AI agents, OpenAPI, MCP, and x402.


Keyword search across active Polymarket markets. Required ?q= search terms.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Economic context for autonomous agents - prediction market tools, macroeconomic indicators and asset prices - many sources, one structured payload.


Mercury402 — Financial Intelligence for Autonomous Agents

Deterministic financial data from official sources

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=76 live pay-per-call financial data APIs for AI agents. Treasury, FRED, forex, spreads, breakeven inflation, macro bundles, and composite dashboards. USDC on Base.


8k4 Protocol — Trust API for ERC-8004 Agents

Resolve agent identities and scores by wallet

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Identity and trust scoring for autonomous agents. Pay per request via x402. No signup required.


Execute a SQL query against a Supabase project's database. Only the owner wallet can query.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=On-demand Postgres databases via micropayments. No API keys, no subscriptions.


BlockRun — YOPO: You Only Pay for the Outcome

Twitter/X User Follower List via AttentionVC

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=YOPO — You Only Pay for the Outcome. Plug your AI agent into 55+ LLMs, live data APIs, media generation, and secure code runtime. One install for OpenClaw, Claude Code, or Franklin. Pay per call in USDC via x402 — no API keys.


Octav PRO – Portfolio Intelligence & NAV Reporting for Digital Assets

Get the wallet holdings of a given address

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Monitor crypto portfolios with automated NAV reports, exposure insights, and AI-powered transaction labeling. Octav Pro helps funds and institutions turn digital-asset complexity into clear, compliant reporting.


PulseAPI - The GOAT Data Aggregation Agent

Get latest cryptocurrency news from top sources (CoinDesk, CoinTelegraph, Decrypt, etc). Includes sentiment analysis and filtering. Perfect for market intelligence and trading signals.

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


List all open quests on Origin Protocol with bounty, category, minGrade, repStake, and deadline. Used by agents to discover work and by external observers to monitor quest activity.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Trust-gated agent economy on Base mainnet. Agents earn Birth Certificates through adversarial gauntlets, build reputation through quests, and access trust-priced services. All paid endpoints use x402 micropayments in USDC on Base (chain eip155:8453).


x402 ecosystem pulse. Returns 24h Base-mainnet stats: total USDC volume across all bazaar-registered sellers, active seller count, unique buyer count, avg ticket, top 10 sellers by volume. Essential for market overview. POST JSON { hours? }.


GDELT News Intelligence API — pay-per-query global news for AI agents

Geographic hotspots where a topic is being reported by source country

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=AI-friendly JSON API for global news intelligence. Built on GDELT (free public source), optimized for AI agents — clean responses, 5 use-case endpoints, parallel-aggregated entity graphs, no rate limits, no API keys. Pay-per-query in USDC on Base mainnet via x402.


MERX - TRON Payment Infrastructure for AI Agents

Send USDT on TRON with automatic energy provisioning. Buys energy from cheapest provider, broadcasts pre-signed TX. Zero-TRX wallets supported via GasFree.

PAYMENT-SIGNATURE header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=TRON payment infrastructure for AI agents. Send and receive USDT with automatic energy, monitor wallets with less than 3s detection, access real-time blockchain data. TRON x402 facilitator (first in coinbase/x402 ecosystem registry).


Get a single tweet by its ID. Returns full tweet data including text, media, engagement metrics, and author info.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=The Native X Protocol for AI Agents. Unrestricted access to X (Twitter) data for autonomous research & interaction.


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

Competitor Intel Matrix: Combine org lookup, public search, grounded answers, and scraped context into one competitor matrix. Use Apollo org search plus public web context to produce a structured competitor and positioning brief for one company or domain. Deterministic recipe run that avoids repeated scraping, cleanup, and prompt packing.

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


Mint 5,000 BILLY tokens for 1 USDC on Base mainnet. Tokens delivered in batches every 5-10 minutes.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=BILLY Token x402 Payment Server - Mint 5,000 BILLY tokens for 1 USDC on Base mainnet


Full ERC-20 portfolio for any wallet with USD values

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Silverback is autonomous DeFi infrastructure for the agent economy. We provide intelligence services (swap routing, liquidity analysis, yield optimization, market data) accessible to any agent or application. Supports x402 micropayments and ERC-8004 on-chain identity. Pay-per-use, no subscriptions.


Query agent game state (Solana) for 41TnPsh8...Nga4Na

Payment required to query agent state (Solana). Pay 0.1 USDC to 41TnPsh8whDp6SKbJFoiDT1tqhs3TkY9x51jYCNga4Na; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402monopoly - Autonomous AI agents playing Monopoly with real blockchain payments using x402 protocol.


Shopper pricing query - $0.01 per request

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


Search Lobste.rs for curated tech news and developer discussions. AI agent API for trend monitoring and community sentiment. Accepts USDC payments on Base and Solana

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


Romy Mondello — agent infrastructure, x402 micropayments, EmDash plugins

EmDash session-status probe of https://example.com

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Notes from the agent era. Agent infrastructure, x402 micropayments, EmDash plugins, and on-chain verification.


Graph Advocate — Onchain Data Routing Agent

Vault evaluator for Hyperliquid copy-trading vehicles. POST {vault}. Returns composite vault_quality_score (0-100) factoring: leader's own trading skill, depositor concentration (top-1 share = whale-dependent), redemption pressure (withdrawals/deposits ratio), commission rate. Plus lifetime stats and top 5 depositors. Built for copy-trade-vetting bots — NO equivalent service exists; vault data is unique to perps DEXs.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Claude-powered routing agent for The Graph Protocol. Send a plain-English onchain data request and receive a ready-to-execute GraphQL query, the right subgraph from 15,500+ indexed protocols, an MCP install hint, and a working curl example. Free tier: 3 queries/day, then $0.01 USDC on Base via x402.


Agoragentic | Agent OS for Deployed Agents and Swarms

Invoke "p5.js / Processing Creative Coding" on Agoragentic marketplace

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Deploy autonomous agents and swarms for creators, agencies, prosumers, builders, and small teams with governed budgets, approvals, wallets, APIs, receipts, marketplace access, and optional Micro ECF policy controls.


Apollo — Intelligence Infrastructure for AI Agents

Live agent economy intel â bounties, hackathons, grants, platforms. Refreshed 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.


Murmuration — Publish Code, Get Paid When Agents Call It

Queries 4 LLMs in parallel via OpenRouter, then synthesizes consensus. | More info: https://usemur.dev/f/model-council

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


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

Follow-Up Message Generator â generate the optimal follow-up message with timing and channel recommendation for prospects who went quiet. Personality-calibrated when KYH data is available.

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.


Mauritius Oracle — x402 Gateway Powered by SENTINEL

Compound entity screening: watchlist screening (1.1M+ records) + jurisdiction risk + Mauritius FSC check + forex context ÃÂ¢ÃÂÃÂ replaces 5 API calls

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


Carbon & Cashmere — Crypto Intelligence Infrastructure

Funding rate history for any perpetual-futures pair â up to 2 YEARS of history (17000+ rows for BTCUSDT since 2024-04-08). Bucket via ?interval=1h/4h/8h/1d, look-back via ?days=1..730. Per bucket returns rate, predicted_rate, open_interest, annualized_pct, sample count. Plus stats (min/max/avg/current rate). AI agent API for funding-rate backtesting, carry-trade strategy research, and long-horizon derivatives analysis.

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.


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.


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

Historical OHLCV candles. Query params: symbol (default BTCUSDT), interval (1m/5m/15m/1h/4h/1d), limit (max 500)

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


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

Generate image using bytedance/seedream/v4/edit

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.


Liquidation alert feed â positions approaching liquidation filtered by your threshold. Pass ?maxHF=1.10 to only see positions with health factor below 1.10. Includes borrower, protocol, collateral/debt breakdown, estimated liquidation bonus, and time-to-liquidation estimate. Pay-per-alert: only pay when there are actionable positions.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Live MEV intelligence API for AI agents. 15 paid endpoints — real-time MEV feed, backrun signals, liquidation alerts, gas oracle, token risk scoring, and bundle submission. Pay per call in USDC or $MEV on Base. No API keys, no accounts — just x402.


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.


AI readiness audit: checks /llms.txt compliance and returns spec-compliant llms.txt + llms-full.txt drafts for any domain

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


ACHILLES — Autonomous AI Agent Command Center

AgentIAM — Achilles EP /x402/signal-query

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


Search Dev.to for developer articles, tutorials, and technical blog posts. AI agent API for developer content and trend research. 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 holder count and top holders for a token with concentration metrics (HHI)

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


Flows — Publish Code, Get Paid When Agents Call It

Escrow arbiter â Claude agent reviews if a PR solves a GitHub issue, signs on-chain release if approved. | More info: https://flows.litprotocol.com/f/github-bounty

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


Smart contract security analysis with gas optimization and diff review mode. Supports Solidity, Rust, Move, TypeScript. Returns severity-ranked issues with line numbers, categories, and fix suggestions.

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


Create a durable Memelord captioned video meme job. Defaults to top captions to avoid centered overlays. Returns a StableMemes jobId immediately after payment; poll GET /api/memelord/jobs/{jobId}. Costs $0.05 per requested video.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=Generate memes via the Imgflip API. Caption templates, search 1M+, auto-caption, and AI memes.


SignalsFeed | Signals Feed for AI Agents and x402 Signal Retrieval

Financial news sentiment API for AI agents. Covers market mood, bullish or bearish tone, risk-on or risk-off shifts, policy-driven sentiment changes, and macro catalyst interpretation. 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 flight counts (departed, enroute, scheduled) for a specific airport

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.


AgentOS — Infrastructure for Autonomous AI Agents

Send an email from an inbox you own. Body: { to, subject, body, html? }

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

wolfXBT: Market Analyst by day.
Degen Trader by night.
Agent Page https://nation.fun/agent/cvsvh0km8k2c73fshra0

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.


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


Search for-sale property listings by location

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request US real estate data via x402. Rental listings, sale listings, property records, valuations, and market statistics.


List all available Polymarket tags/categories with optional event counts

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search|Merit; origin=AI-powered chat application with Echo billing integration


Start a deep research job on any longevity or aging topic. Aubrai orchestrates sub-agents for literature synthesis, data analysis, and hypothesis generation — returns a conversation ID to poll for the full report.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Aubrai is the world's first decentralized AI co-scientist for longevity research, developed by VitaDAO. Orchestrates specialized sub-agents for literature synthesis, data analysis, and hypothesis generation to deliver comprehensive scientific reports on aging and lifespan extension.

All endpoints are gated by x402 micropayments using USDC on Base. Clients receive a `402 Payment Required` response with payment requirements, then retry with a signed `PAYMENT-SIGNATURE` header.

See [x402 docs](https://docs.cdp.coinbase.com/x402/core-concepts/how-it-works) for details.


Monitor DeFi pool metrics (APY, TVL) across multiple networks with block-level precision and configurable alert thresholds. Returns real-time data, change deltas, and triggered alerts. Works with zero parameters (defaults to Base + Compound V3).

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


Identify capital-intensive traders on target DEXes showing where big money is flowing. (with AI analysis)

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

Basic smart contract security scan with safety score and vulnerability checks

X-PAYMENT header is required; mime=application/json; x402Version=2; 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.


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

Listed-company officers (= EDINET annual-report rows) by corporate number. (JP Data Enrich). Source: EDINET annual-report officer rows.

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


List all registered x402 resources for an origin

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


x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Pure-library spatial math and timezone lookup. Distance, bearing, polygons, point-in-polygon, timezone-by-coords. No external API calls — all computed in-Worker.


AI-generated executive summary of current market trends, top narratives, and notable momentum shifts.

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


OneSource - Pay-per-call Ethereum RPC for Agents

ENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live 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 token 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":{"token_address":["The TokenAddress field is required."]},"traceId":"00-eb57994b0a963cb3c9ff9b4d22c18a91-1a53814e34f5079e-00"}; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


x402Factory.ai - Where everything becomes an endpoint

Base speech-to-text endpoint using x402 payments. Provide either a YouTube URL/ID or a direct audio file URL; the server downloads the audio, runs speech-to-text, and returns the transcript text. Pricing: 0.01 USDC per started minute of audio, computed from the estimated duration and charged upfront via x402. Default discovery price without a specific URL is 0.60 USDC as an upper-bound quote. When called without a specific URL, the endpoint returns a default discovery quote. Clients should re-run discovery with a concrete URL to get an exact quote based on the real audio duration.

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


Ticker details - company name, description, exchange, market cap, SIC code, employees

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


Social media reputation analysis from Twitter/X and community feedback with sentiment scoring. Detect fake engagement patterns and measure trust indicators for reputation-based decisions. Price: $0.01 USDC

Payment required. Please provide X-PAYMENT header.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402-secure is the trust layer for x402 ecosystem. Powered by t54.ai.


Complete domain intelligence in one call â WHOIS, multi-resolver DNS, SSL/TLS, tech stack, security headers, subdomain discovery, redirect chain. All 7 run in parallel with individual timeouts. Partial results on component failure. Weighted overall security grade. Doing this yourself requires 7 separate tools and result aggregation. Accepts USDC payments on Base and Solana

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


Talent flow matrix: 148 movements across 14 organizations

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


Payment required; x402Version=2; scheme=exact; accept_verified=true; tags=Trading; origin=Pay-per-request API access with no API key required.


Get a summary of latest specific token news from Twitter by providing contract address or token name or token symbol

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


Agentic Reservations — Restaurant Bookings for AI Agents

Restaurant reservations on Resy â 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. Competitor Compare costs $0.0800 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Search; 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 (https://api.paysponge.com/v0/drafts)

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.


Last.fm - get track metadata, stats, and top tags

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.


LimitGuard - Trust Intelligence for the Agent Economy

MCP tool: quick risk score for entity name + country pair.

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.


FetchForge — Web Fetching & Scraping API for AI Agents

Fetch any URL and return clean content (HTML, text, or JSON)

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.


Mint ticker from 402rush, the first launchpad powered by Coinbase x402.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=The first launchpad powered by Coinbase x402.


Provenance-rich company fundamentals for a single crypto public issuer.

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


Fetch a Reddit user profile with recent posts and comments

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.


Batch get user info by user ids. Pricing: Single user request: 18 credits per user, Bulk request (100+ users): 10 credits per user. Note: For cost optimization, we recommend batching requests when fetching multiple user profiles. / Batch get user info by user ids. Pricing: Single user request: 18 credits per user, Bulk request (100+ users): 10 credits per user. Note: For cost optimization, we recommend batching requests when fetching multiple user profiles.

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


x402pages - Books accessible via x402 protocol

Read this book on x402pages via the x402 protocol

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


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/co/company/dian/invoicer)

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.


24h DEX trading volume by chain and protocol

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.


Get tweet by tweet ids / Get tweet by tweet ids

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.


thirdweb API https://api.thirdweb.com - GET Get Transactions

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


Register for the x402 airdrop — the first airdrop on Bitcoin Ordinals.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Swap Bitcoin runes on-chain—effortlessly, fast, and secure. Enjoy the lowest service fee of just 0.5% and features like mempool sniper protection, Realtime Mempool Data, Lowest slippage


Octodamus — AI Market Oracle | NYSE, Bitcoin & Finance Intelligence

Payment Required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Octodamus is an AI market intelligence oracle for finance, investing, NYSE equities, and Bitcoin. Live signals: BTC oracle, S&P 500, Fear & Greed, macro regime, congressional trading, Polymarket edges. 27 data feeds. Free API — 500 req/day.


Reporting on the business of technology, startups, venture capital funding, and Silicon Valley, especially good at mobile apps news, security news, ai news, venture news, startup news. | 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 bytecode of a smart contract deployed at a specific address on a blockchain network. Returns the contract code as a hex string. Useful for contract verification, analyzing deployed contracts, and checking if an address contains contract code versus being an externally owned account.

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


Dividends Calendar - Dividend calendar (ex-dates, yields)


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

Estimate age bucket + gender from a social profile's avatar.

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.


Search for news and X posts around a specific price movement timestamp

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time news and X context for every prediction market


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402Hub — NEXT-GEN LAUNCHPAD PROTOCOL #x402


Search for a Twitter account with both mention search and account statistics. This tool provides engagement metrics, follower growth, and mentions by smart users. It does not contain all tweets, but only those of influential users. It also identifies the topics and cryptocurrencies they frequently discuss. Data comes from ELFA API and can analyze several weeks of historical activity. 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=Search; origin=Generated by create next app


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


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


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

Polymarket intelligence feed â enriched active prediction markets with volumes, odds, and metadata

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


AI inference. Multimodal vision. Image analysis, document OCR, video understanding. 1M context. $0.60/call.

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

XActions AI API â analytics:rewrite-tweet

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.


Deep wallet research dossier with cross-chain analysis

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


Pre-swap token risk gate for autonomous trading agents. Pass ?chain=base&token_address=0x... before executing a swap. Returns decisive verdict safe/risky/blocked, score, reasons, confidence, and source attribution from GoPlus, DexScreener, and configured premium risk providers.

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


Witness API https://api.witness.co - GET getNodeHashById

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First ever transaction for a Tron wallet (account birthday)


Generates videos using OpenAI's video generation models. Accepts various parameters to customize video output including prompts and configuration options.

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility|AI; origin=Monetize AI Apps in Minutes


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

Single event at /api/v1/events/{id}. Returns canonical JSON: scalar fields (id, date, country, event_type, lat/lng), headline, TL;DR, article paragraphs, full schema.org JSON-LD @graph (NewsArticle + Event + VideoObject + BreadcrumbList + FAQPage), thumbnail (free), media URL (paid via /media/{id}), transcript when available, FAQ, super-event metadata. Equivalent to /share/{id}/{slug} with Accept: application/json.

PAYMENT-SIGNATURE header is required; mime=application/json; 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.


Get real-time Bitcoin (BTC) price data from Binance for 0.05 USDC

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


Sniper Search Intelligence - Financial Market API

Get comprehensive company overview including sector, industry, market cap, P/E ratio, dividends, earnings, profit margin, 52-week range, and analyst ratings.

Payment required for service: /process-request; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; 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.


Decentralized GPU LLM Inference | Jatevo (DGON)

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=The Distributed GPU LLM Inference Network. Route your prompts across a decentralized network of GPUs for low-latency, cost-efficient LLM inference.


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.


Real-time crypto sentiment analysis - Reddit sentiment for BTC, ETH, SOL and 9 other cryptocurrencies

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Real-time crypto sentiment analysis API. Pay $0.03 per query with USDC on Base. No subscriptions.


Sundial Exchange – Solana DEX | Best Rates, Low Fees

Access /api/dex/overview - Sundial Exchange API (Base) for $0.10 / Access /api/dex/overview - Sundial Exchange API (Solana) for $0.10

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Instant, secure token swaps on Solana with optimal routing, low fees, and a streamlined trading experience.


Parse any freeform datetime string into a structured normalized form — $0.001 USDC

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


Extract meta tags (title, description, og:image, og:title, keywords) from any URL.

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


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


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/api_keys/generate_web3_key

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


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.


Quote tweet with your own comment. Requires user authentication cookies.

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


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


Retrieve rich, real-time stock data, including price, market cap, CUSIP, ISIN and more. / Retrieve rich, real-time stock data, including price, market cap, CUSIP, ISIN and more.

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


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/api_keys/rate_limits/log

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


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


GPU/Compute — run AI model inference via Replicate (image, video, LLM, audio, utility).

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


x402 Meta Gateway — AI Meta Intelligence

Macro intelligence across inflation, rates, labor, and risk themes with market-implied context.

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


Latest Kling O3 by Kuaishou. Generates a 5-second MP4 video at 720p 30fps from an image + prompt. Top-tier motion coherence and prompt following.

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


🚀 BTC Moon Shot 📈 - Special Test α β γ δ 日本語 中文: This is a test of the auto-save functionality. Testing rich text editor...

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