x402watch

22,937 paid endpoints are listed. 21,869 answered a real 402 at the last check.

Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.

Last check 2026-10-02 12:47 UTC · 22,937 probed

21,869 answering 402548 down397 rejecting123 no paywall2,399 price drift
  1. 95coil.trade/api/board/top-volumeScores for the most-traded US stocks — the liquid mega-caps agents actually trade. One read returns the top names by 20-day average dollar volume in every S&P 500 sector, each scored: opportunity 0-100 plus board percentile, entry state (READY / SETUP / WAIT / CHASE / FALLING), hold strength, leadership flag, and the dollar-volume figure that ranked it. High-liquidity names only, no illiquid tail. Refreshed ~5 min in market hours. Research, not advice.$0.02 Base863 ms4 payers100% up
  2. 95coil.trade/api/board/leadersToday's market leaders, ranked — which stocks are leading the tape right now? Top leadership names per book (S&P 500, Nasdaq-100, macro) by opportunity score, each with opportunity 0-100 + percentile, entry state, hold strength, growth score, dollar volume and coil read. Plus the AWARENESS block: sector money flows (mean move + breadth), coiled setups (compression or held post-catalyst, coil_score 0-100) and coverage. Refreshed ~5 min in market hours, timestamped. Research, not advice.$0.01 Base541 ms4 payers100% up
  3. 95coil.trade/api/board/rotationSector and macro ROTATION map for agents: where money is actually going, measured as each ETF's ratio to SPY against its own 50-day. ~50 sector + macro ETFs, each labelled GO (leading), HOLDING (paused), TURNING (money arriving) or OUT (lagging), with distance-to-50d %, 20-day slope % and ratio RSI. Pre-bucketed led_by/paused/turning/lagging lists. States and percentages only, never levels. Refreshed every ~5 min in US market hours. Research, not advice.$0.005 Base632 ms4 payers100% up
  4. 95x402.twit.sh/users/followersGet the list of Twitter/X users who follow a specific user. Returns up to 50 follower profiles per page with pagination support. Query params: id (string, required) - numeric Twitter user ID; next_token (string, optional) - pagination cursor, e.g. GET /users/followers?id=44196397. Returns X v2 API-compatible JSON.$0.01 Base492 ms4 payers100% up
  5. 95api.oblique.markets/api/v1/paid/inferenceUse when an agent wants a chat completion paid per call with no API key, on Base or Solana. Returns Chat completion from one of six catalogued models in the standard messages request shape, with token usage and the settled charge. $1.00 maximum on Base; $0.01 fixed on Solana. Rail: $0.01 fixed on Base.$0.01 Base370 ms4 payers100% up
  6. 95data.greeneris.io/v1/global/leiLegal entity reference data from the GLEIF LEI golden copy (updated daily, CC0). Direct lookup: ?lei=529900FCMZ4LKXFD0R69. Search: ?name=airbus&country=FR&limit=5. Each result: lei, legal_name, entity_status, registration_status (ISSUED/LAPSED), jurisdiction, legal_form_id, hq_city/country, next_renewal_date. 24h cache.$0.005 Base834 ms4 payers100% up
  7. 95vaaya.ai/api/run/icypeas/email-searchFind a person's professional email via Icypeas from their name + company. Pass `firstname` and/or `lastname` plus `domainOrCompany` (domain preferred, e.g. stripe.com). Returns `{ item: { _id } }` immediately — the search runs async. KEEP POLLING icypeas/result with that `id` (every 3-5s; Icypeas caps reads at 30/min) until `status` leaves NONE/SCHEDULED/IN_PROGRESS. FOUND/DEBITED = hit, NOT_FOUND/DEBITED_NOT_FOUND = processed but empty. Results carry the email(s) with a certainty grade (ultra_…$0.04 Base912 ms4 payers100% up
  8. 95twitter.use.x402atlas.com/community-mediaGet media posts from an X community.$0.006 Base565 ms4 payers100% up
  9. 95api.oblique.markets/api/v1/paid/bazaar-category-heat-feedUse when an agent needs bazaar category heat feed. Returns Loopable Bazaar category-heat change feed with added, removed, rank-change and price-change records, stable cursors and feed timestamps. $0.001079.$0.0011 Base725 ms4 payers100% up
  10. 95agentdata-api.sander-van-aard.workers.dev/web/placesGoogle Places (local businesses with rating, address and phone number) for AI agents at $0.010 per call, from the same Serper.dev source as /web/search. Send a query, get back compact JSON: top places with position, title, address, coordinates, rating, rating count, category, phone and website. Tune with num (1-10 results), country and language (2-letter codes). Zero results is a valid, honest answer. Pay per call in USDC on Base, no account, no API key.$0.01 Base572 ms4 payers100% up
  11. 95api.oblique.markets/api/v1/paid/listing-triageUse when an agent is deciding whether one Bazaar listing is stable enough to depend on. Returns Listing history triage: persistence, price changes, duplicate variants, and buy signal. $0.01.$0.01 Base376 ms4 payers100% up
  12. 95api.oblique.markets/api/v1/paid/extract-jsonUse when an agent needs extract json. Returns Extract structured JSON from unstructured text against a caller-supplied JSON Schema — parse-validated with one automatic retry, 502 on failure instead of garbage. $0.01.$0.01 Base370 ms4 payers100% up
  13. 95twitter.use.x402atlas.com/community-tweetsGet top or latest posts from an X community.$0.006 Base579 ms4 payers100% up
  14. 95api.hergertsynthora.com/v1/ecb-forex-fixing-vs-marketSYNTHORA ecb-forex-fixing-vs-market: ECB daily EUR/USD fixing vs live market rate: deviation in basis points, direction and >25bps alert. Sources: official ECB eurofxref-daily.xml + open.er-api.com, both keyless.$0.01 Base796 ms4 payers100% up
  15. 95api.hergertsynthora.com/v1/bitcoin-feesSYNTHORA bitcoin-fees: Bitcoin fee tiers in sat/vB (fastest/half-hour/hour/economy/minimum) plus current block height. Source: mempool.space public API, keyless. Bitcoin only.$0.01 Base992 ms4 payers100% up
  16. 95x402.ottoai.services/protocol-revenue-leadersWhich protocols earn the most — and who is accelerating? Top 30 DeFi protocols by 24h fees, each with revenue, take-rate (the cut the protocol keeps vs fees users pay), 7d/30d trend and category, plus total DeFi fees & revenue. A fundamentals screen (fee/revenue economics), distinct from TVL. Sourced from DefiLlama (public). Cached while fresh (DefiLlama fees are daily aggregates), regenerated on demand when stale.$0.001 Base648 ms4 payers100% up
  17. 95globalrules-api.onrender.com/api/v1/countriesList all 178 countries covered by the GlobalRules country-facts API, returned as ISO 3166-1 alpha-2 codes with country names. Use this endpoint first to discover which countries you can query for practical travel and business facts such as VAT rates, public holidays, tipping customs, power plugs, emergency numbers and visa rules (57 topics per country). Designed for AI agents, travel planners and cross-border e-commerce tools.$0.005 Base813 ms4 payers100% up
  18. 95md.fastdb.in/mdScrape any web page: URL to Markdown / HTML to Markdown for LLM context. Readability article extraction strips nav, ads, scripts, and footers while keeping tables and code blocks. Optional render:true executes JavaScript in a headless browser for SPAs (React/Next/Vue).$0.005 Base911 ms4 payers100% up
  19. 95stabletravel.dev/api/flightaware/airports/KJFK/weather/observationsGet weather observations (METAR) for a specific airport$0.004 Base386 ms4 payers100% up
  20. 95x402.glassnode.com/v1/metrics/indicators/soprSpent Output Profit Ratio (SOPR) — Spent Output Profit Ratio (SOPR) is the ratio of realized value to creation value across spent outputs. Data by Glassnode.$0.05 Base693 ms4 payers100% up
  21. 95linklens-sand.vercel.app/api/inspectExtract metadata and readable text from a public URL.$0.01 Base463 ms4 payers100% up
  22. 95agent402.tools/api/media-infoInspect any audio/video URL with ffprobe: container, duration, bitrate, and per-stream codec details (sample rate/channels for audio, resolution/fps for video) as JSON. Body: {"url":"https://…/file.mp4"}.$0.005 Base571 ms4 payers100% up
  23. 95agent402.tools/api/treasury-yield-curveLatest US Treasury daily constant-maturity yield curve in one object: recordDate plus mo1, mo3, mo6, yr1, yr2, yr3, yr5, yr7, yr10, yr20 and yr30, each a yield in percent. Source: FRED DGS* series (St. Louis Fed), public domain. No params - always returns the most recent published curve, which trails today by a business day or two; for a date range use treasury-yield-history.$0.005 Base506 ms4 payers100% up
  24. 95api.clawfetch.ai/renderHeadless browser rendering for JavaScript-heavy pages and SPAs: full stealth Chromium render, then clean markdown plus title, meta description, and canonical URL. Use when a plain fetch returns an empty shell or a bot wall.$0.005 Base988 ms4 payers100% up
  25. 95api.deepnets.ai/api/token/holder-graphFunding-source graph for a token: nodes are wallets, edges are first-funding relationships, labeled with exchange attributions where known.$0.01 Solana549 ms4 payers100% up
  26. 95mcp.blocksize.info/v1/bidask/BTC-USDReal-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.$0.002 Solana407 ms4 payers100% up
  27. 95api.agentstools.dev/prediction/marketDetail of ONE prediction market or event by numeric id, 0x conditionId, market-slug or event-slug (auto-detected): normalized outcomes with implied probabilities, volume, liquidity, close date, status and a link-back.$0.01 Base967 ms4 payers100% up
  28. 95x402-seller-0ay3.onrender.com/api/gas/baseCurrent gas price on Base (Ethereum L2), read live via a public RPC endpoint — no API key, no aggregator. No parameters.$0.005 Base851 ms4 payers100% up
  29. 95paddock.finance/api/paddock/mcp/gapsAgent payments have no chargeback. Paddock is pre-payment verification for AI agents. get_niche_gaps ranks categories by opportunity, high volume with few sellers, with concentration and a market-state signal.$0.01 Base747 ms4 payers100% up
  30. 95x402-fuelprice-poc.theliminalguy.workers.dev/priceCurrent UK weekly average road fuel price (petrol + diesel, pence/litre), sourced live from DESNZ (UK gov)$0.01 Base799 ms4 payers100% up
  31. 95hexscan.xyz/honeypotIs this token safe to buy? Honeypot check -- can the token be bought but not sold? Fast honeypot detection for ERC-20 tokens.$0.001 Base758 ms4 payers100% up
  32. 95rng.sociologic.ai/random/intGenerate a cryptographically secure random integer within a range$0.01 Base408 ms4 payers100% up
  33. 95verify.clearsigned.com/verify/t1Clearsigned — the trust layer with no stake in the outcome. Submit {claim, evidence[]}, receive an Ed25519-SIGNED, evidence-bearing receipt (verify offline against GET /pubkey; every receipt is chained in the public ledger at GET /ledger/verify). Flat price, verdict-independent; refunds only for failure to deliver. Current mode is honestly labeled in each receipt.$0.05 Base836 ms4 payers100% up
  34. 95api.dripmetrics.ai/metrics/kyle-lambdaDripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Kyle's Lambda estimates price impact per unit of signed order flow for a crypto trading pair over a specified window. Discovery examples use the latest 30m window.$0.05 Base810 ms4 payers100% up
  35. 95x402.asterpay.io/v1/market/price/bitcoinGet real-time cryptocurrency price data for any token$0.005 Base480 ms4 payers100% up
  36. 95redlynr.com/runAgent guardrail decision engine. Call once before every agent action; returns a single decision — proceed, slow down (with a reason and wait time), or stop — based on cost budget, chain depth, step cap and retry budget, and request volume pressure. Policy thresholds are configured separately via /policy; this endpoint only reports the decision for a single action.$0.001 Base944 ms4 payers100% up
  37. 95api.trustsource.cc/sslcheckCheck whether a domain's TLS/SSL certificate is valid, trusted, and not expiring before connecting to it. Performs a live handshake and returns a 0–100 score and tier (VALID/WEAK/EXPIRING/EXPIRED/UNTRUSTED/INVALID) with chain trust, days-to-expiry, signature algorithm, TLS version, and cipher quality. Use before submitting credentials, posting to a webhook, or following a payment link, to catch expired, self-signed, or MITM-risk certificates.$0.002 Base920 ms4 payers100% up
  38. 95agents.thirdmade.net/scrapeScrape any public web page and get clean structured JSON (title, text, meta). Pay per call with USDC on Base.$0.01 Base886 ms4 payers100% up
  39. 95x402.nsgoods.org/settleSigned Solana settlement verification (did tx credit amount of mint to payee). Free preview: GET /settle/preview$0.01 Base483 ms4 payers100% up
  40. 95mechamanda.com/api/concertsSearch for upcoming concerts. Supports city, date range, genre, and artist filtering.$0.01 Base964 ms4 payers100% up
  41. 95x402-market.kore-app.workers.dev/v1/marketAggregated crypto market snapshot: prices, Fear & Greed, DeFi TVL, dominance, top stable yields.$0.01 Base694 ms4 payers100% up
  42. 95regimeshift.xyz/api/v1/rate/sofr/usdAgent-SOFR — decentralized USD short-rate benchmark for AI agents. Weighted-median of 7 sources + variance + regime premiums. BNS-calibrated 6-mode classifier on 444k ETH/USDC 5-min bars (λ=1.097 closed-form). Open + IPFS-pinned methodology: agent-sofr-v1.$0.001 Base564 ms4 payers100% up
  43. 95onchain-toolkit.bowling-anthony.workers.dev/gasLive gas price on Ethereum, Base, Arbitrum, Optimism or Polygon, in gwei plus the cost of a plain transfer. Compare several chains in one call.$0.005 Base704 ms4 payers100% up
  44. 95x402stock.xyz/api/v1/avg-interest-ratesThe average interest rate the US Treasury currently pays on its outstanding debt, broken out by security (Treasury Bills, Notes, Bonds, TIPS, FRNs, savings, and the marketable/total aggregates) for the latest reported month, in percent. No ticker needed. A read on the government's cost of borrowing that complements the /treasury-yields curve. Sourced from the US Treasury (FiscalData).$0.01 Base431 ms4 payers100% up
  45. 95geld-machen-x402.fly.dev/product/image-ocr.jsonJSON micro-tool for agents: GET ?url= (or POST url / image_base64) → local Tesseract OCR (English-first): text, word_count, confidence, width/height, fetched_at, timing_ms. COGS=0 — no upstream OCR API key. Demand-matched OCR class (competitors ~$0.005–$0.012). Brand: geld machen. x402 $0.01 Base USDC.$0.01 Base450 ms4 payers100% up
  46. 95api.maxwellinternational.ai/v1/food/nearRestaurants within a radius (default 2 km, max 10) of a latitude/longitude, nearest first, with distance in km, cuisine, address, and where known opening hours, phone, website and menu availability. No Google data.$0.01 Base942 ms4 payers100% up
  47. 95api.maxwellinternational.ai/v1/macro/ecb/fxECB euro foreign exchange reference rates (EUR base) for one currency (e.g. USD): the latest rate and about three months of daily history in date order, as published by the European Central Bank.$0.005 Base495 ms4 payers100% up
  48. 95api.maxwellinternational.ai/v1/trip/barsApres-ski: bars, pubs, nightclubs and beer gardens within 15 km of one ski resort arrival point, nearest first, with opening hours, phone and website as published. Each answer repeats the trip map with the next step and bundle price. No Google data.$0.01 Base508 ms4 payers100% up
  49. 95api.maxwellinternational.ai/v1/weather/forecastNWS daily/period forecast (about 7 days, day and night periods) for a US point or grid. From the NWS (US and territories), cached and refreshed about every 3 hours; a location not yet cached answers 404, is not charged, and is queued.$0.005 Base518 ms4 payers100% up
  50. 95exp-100k-001-v2.vercel.app/v1/verticals/medical-equipment/buyer-mapFind and rank Chile hospital buyers and public health-service buyers for medical equipment. Returns named buyer leads, buyer IDs, regions, repeat procurement demand, budget evidence and ChileCompra OCDS provenance for sales prospecting and sourcing agents.$0.01 Base944 ms4 payers100% up
  51. 95edge.innovalyxx.com/mcp/tools/get_agent_visibilityReturns a 0–100 generative-engine visibility score and estimated LLM mention rate for a URL. Cost $0.01 per call. Not HTTP uptime, TLS, or a credit.$0.01 Base795 ms4 payers100% up
  52. 95api.solenrich.com/entrypoints/stonk-yield/invokeTrailing 7d, 30d, and lifetime holder yield: rewards distributed in the quote asset, priced in USD, divided by average market cap over the window (daily snapshots). Annualized with an explicit caution flag when the window is under 7 days or partial. Returns quote_exposure — what a holder is economically long (the coin + the quote asset) and the reward asset.$0.005 Solana646 ms4 payers100% up
  53. 95api.solenrich.com/entrypoints/stonk-screener/invokeScreen every StonkFun reward coin from a 10-minute index. Per row: payout status (PAYING / STALE / NEVER), hours since last payout, live flag (traded AND paid in 24h), round-trip transfer-tax cost, holders, rewards USD, yields, volume, mcap, 24h change. Filters: quote_mint, category, holders, age, volume, market cap, paying_only, live_only. Sort by volume24h (default), lastPayout, holders, priceChange24h, or yield. "Which coins on NVDAX paid holders today?" is one call.$0.01 Solana581 ms4 payers100% up
  54. 95api.solenrich.com/entrypoints/stonk-quote/invokeCost and payback of one StonkFun trade at one size, no swap: entry and exit cost (transfer tax + price impact at size), round-trip % and the breakeven price move, your pro-rata share of each payout with a dust warning, expected payout over the hold from the yield window with real history, and a PAYS / MARGINAL / COSTS / NOT_PAYING verdict with breakeven hold days. Composes stonk-reward-risk, stonk-yield, and enrich-token-light. Inputs: mint, size_usd (100), hold_days (7).$0.005 Solana558 ms4 payers100% up
  55. 95cron402-api.user-defaults.workers.dev/v1/cronscron402: create a cron job that calls your webhook on a schedule. $0.008 includes 1 run credit; each subsequent run costs 1 credit (top up at /v1/crons/topup/{pack}).$0.008 Base462 ms4 payers100% up
  56. 95canary.countersignpay.com/v1/base/headCurrent Base mainnet block height and base fee per gas in wei, read from the chain at request time$0.01 Base695 ms4 payers100% up
  57. 95scvd.store/api/buy/daily_fortuneThe Daily Fortune. The day's fortune and fortune_date (UTC), with purchased_text: an ed25519 envelope binding the exact words, date and purchase certificate. Every buyer today reads the same line. Full listing: https://scvd.store/menu/daily_fortune. MCP tool: buy_daily_fortune.$0.01 Base466 ms4 payers100% up
  58. 95api.ukintel.uk/v1/company/searchFind a UK company by name. Returns the top 5 matches from the Companies House register with number, name, status and incorporation date. Taster tier - cheap enough to try on a whim before paying for a full profile or verdict.$0.005 Base519 ms4 payers100% up
  59. 95sanctions.cyberwarex.com/screenScreen an EVM wallet or contract address BEFORE paying it. Deterministic, keyless compliance / safety gate: checks the address against the OFAC sanctioned crypto-address list and a curated taint set (mixer, hack, scam) and returns a single BLOCK / REVIEW / ALLOW recommendation plus the matched sources, so an AI agent can decide whether to send funds. No API keys, no LLM, one x402 USDC micropayment per call.$0.005 Base903 ms4 payers100% up
  60. 95simulate.cyberwarex.com/decodeDecode raw EVM calldata into a named function, signature and arguments, plus security risk flags (unlimited token approval, setApprovalForAll, ownership transfer, unknown selector, native value transfer). Keyless, deterministic, no simulation - the cheap way for an agent to understand and risk-screen a piece of calldata before signing.$0.002 Base925 ms4 payers100% up
  61. 95chain.cyberwarex.com/blockLatest block on any major EVM chain: block number, timestamp, age in seconds, base fee and gas used/limit. The cheapest possible liveness and chain-tip check for an agent: confirm a chain is progressing, timestamp an observation, or pick a block for a query.$0.001 Base813 ms4 payers100% up
  62. 95stocks.cyberwarex.com/fundamentalsKey annual fundamentals for a US ticker from SEC XBRL: revenue, net income, total assets and liabilities, stockholders equity, cash, basic EPS and shares outstanding, each with its fiscal period and source concept. Keyless, public-domain EDGAR. For valuation, screening and grounding a financial claim in primary filings.$0.004 Base868 ms4 payers100% up
  63. 95reader.outbid.sh/scrapeHTML to markdown. $0.002 USDC.$0.002 Base751 ms4 payers100% up
  64. 95squeezeos-api.onrender.com/api/web/creditsWeb scraping and extraction credit pack for AI agents: 10 accepted public-URL clean-text reads at a micro-price with no scraper subscription.$0.005 Base457 ms4 payers100% up
  65. 95x402-trust.com/v1/x402-trustTrust score (0-100, grade A-F) for any x402 endpoint -- listed in our catalog or not. Unlike uptime-only checkers, we return ECONOMIC PROOF: the REAL on-chain USDC settlement volume and distinct-payer count for the endpoint's payTo address -- is anyone actually paying it, or is it just live? Computed deterministically from continuous monitoring: 30d probe uptime, 402-envelope spec compliance, latency, observed age, on-chain settlement activity, and advertised-price stability. Includes a full component breakdown, machine-readable flags, and an honest observedDays (we report only the history we actually have, with dataCompleteSince marking our gap-free on-chain coverage). Uncataloged endpoints are live-probed on your first query and auto-adopted into the monitored catalog (first-contact score with low confidence -- history accumulates from there). Each paid call also refreshes the endpoint's free public snapshot (page, badge, card), so a fresh score shows everywhere immediately. Know before you pay.$0.005 Base930 ms4 payers100% up
  66. 95agentum.lat/taxas-brasil-cdpMesmo dado do /taxas-brasil (Selic, CDI, dólar comercial) — rota técnica liquidada pelo Facilitador CDP da Coinbase, só pra indexação no Bazaar/agentic.market. Não é um produto novo.$0.01 Base560 ms4 payers100% up
  67. 95api.loopholetape.com/v1/launches/sinceNew pump.fun memecoin launches since a cursor, with rug probability and graduation odds ($0.001 per poll). Use when a bot polls for newly launched Solana tokens on pump.fun with their calibrated odds; for a one-off screen of the last hour use GET /v1/launches/recent, and for one mint the $0.005 rug check.$0.001 Solana332 ms4 payers100% up
  68. 95humanmirror.fr/api/x402/clean-json/Clean and canonicalize JSON, then independently verify the output is stable and idempotent.$0.01 Base844 ms4 payers100% up
  69. 954yearcycle.com/x402/fx-ratesOfficial daily foreign exchange reference rates from the European Central Bank (~30 currencies vs EUR, published each business day around 16:00 CET), rebased on request to any listed currency via EUR cross-rates and filtered to a requested symbol list; returns the reference date, the rate table and the ECB source attribution.$0.005 Base706 ms4 payers100% up
  70. 95ioswarm.io/api/v1/x402/quoteLive quotes for up to 8 symbols — stocks, ETFs, crypto pairs (BTC-USD), FX — price, session change and currency, in the paid response. $0.01 per call, no account.$0.01 Base591 ms4 payers100% up
  71. 95signalforgestudios.com/x402/prospect-qualifierScores a public business URL for SDR agents, CRM enrichment, agency prospecting, and local-business lead generation: ICP fit, contactability, website trust friction, CTA issues, opportunity signals, evidence, confidence, and qualify/review/skip JSON.$0.01 Base802 ms4 payers100% up
  72. 95sentinel.rootstuff.io/x402/dnsEvery DNS record for a domain plus propagation across public resolvers$0.01 Base524 ms4 payers100% up
  73. 95kevinhoff.com/api/paid/gradeX Preflight: read a draft post against X's open-sourced ranking code. Returns what is already settled before you post, whether it enters the pool strangers are drawn from, how long it stays retrievable, which filters delete it, and which gates nobody can know in advance. Every claim cites a file and line in X's published source. Never writes the post. Nothing stored.$0.01 Base777 ms4 payers100% up
  74. 95api.oblique.markets/api/v1/paid/research-answerUse when an agent needs a concise, cited answer to one research question with optional domain scope and freshness, from one bounded pay-per-call web search. Returns the answer synthesized only from the retrieved sources, source URLs and labels with retrieval timestamps, an explicit insufficient-evidence refusal when the sources do not support an answer, and a machine-readable receipt of the upstream cost and settlement.$0.01 Base470 ms4 payers100% up
  75. 9521millionpixels.art/api/agent/paint-batchPaint 2 pixels in one plot on 21millionpixels.art, a shared 21,000,000-pixel canvas, for one payment. Reads are free; paid pixels skip the human cooldown.$0.01 Base464 ms4 payers100% up
  76. 95api.sys84.org/v1/services/wallet_risk_snapshotBase wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.$0.01 Base522 ms4 payers100% up
  77. 95travel.forgemesh.io/api/fare-pulseFare Pulse — cheapest live fares from a major US hub, cached snapshot.$0.001 Base571 ms4 payers100% up
  78. 95api.aarn.space/v1/web/readRead one public webpage URL and return clean, LLM-ready Markdown or plain text. Designed for AI agents that need webpage contents, RAG context, research or summarization.$0.002 Base491 ms4 payers100% up
  79. 95unit.openverbs.com/v1/listList the supported units and their metadata (abbreviation, measure, system, singular/plural names), optionally filtered to a single measure — a discovery endpoint for choosing valid `from`/`to` values.$0.002 Base258 ms4 payers97% up
  80. 95imagegen.coinopai.com/prompt-stylesPrompt Styles — a curated FLUX prompt-engineering cheat sheet: 12 proven style recipes, an aspect-ratio guide, and a tier picker for the paid /generate endpoints. Static JSON, answers in milliseconds. Spend $0.001 here before spending $0.25-$0.75 on a generation.$0.001 Base412 ms4 payers100% up
  81. 95pixels.gateway.clawca.sh/v1/link-inspectInspect a public HTTPS URL for redirects, metadata, content type, word count, and content hash.$0.002 Base827 ms4 payers100% up
  82. 95api.runonproof.com/v1/us/decision-gates/release-payment-to-supplierRunOnProof Payment Decision decides whether to release a US supplier payment before funds move. 0.79 USDC: scoped checks, reasons, evidence and signed proof binding supplier, invoice digest, amount, payee/destination and mandate. FEDERAL_ONLY. No state checks, bank ownership or invoice authenticity guarantee; never executes payment. HOLD/UNDETERMINED are not permission to pay; HOLD may be paid. Recover the same acquired result without paying again. See the provider guide.$0.79 Base606 ms4 payers100% up
  83. 95api.interzoid.com/translatetoenglishDetect the language of input text and translate it to English. Supports numerous world languages with AI-powered translation.$0.01 Base661 ms4 payers100% up
  84. 95stabletravel.dev/api/flightaware/airportsList all airports with optional pagination$0.01 Base568 ms4 payers100% up
  85. 95api.interzoid.com/getnameoriginDetermine the likely cultural or geographic origin of an individual name. Useful for demographic analysis and internationalization efforts.$0.01 Base310 ms4 payers100% up
  86. 95api.interzoid.com/identifylanguageIdentify the language of a given text string. Supports detection of numerous world languages from text samples.$0.01 Base492 ms4 payers100% up
  87. 95api.linkedpanda.com/agent/v1/profiles/postsRecent LinkedIn posts for a profile$0.25 Base468 ms4 payers100% up
  88. 95x402stock.xyz/api/v1/ticker-typesReference list of security type codes used in ticker reference data (e.g. CS = Common Stock, ETF, PFD, WARRANT) with descriptions. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.$0.01 Base470 ms4 payers100% up
  89. 95api.xynaptic.io/v1/crypto-brief-liveXynaptic Crypto Live — real-time crypto prices (BTC, ETH, SOL, ADA + top coins) fetched at the exact moment of your request. Live data, not a cached digest.$0.01 Base437 ms4 payers100% up
  90. 95api.boonprotocol.com/api/v1/x402/graphBoon x402 endpoint recognition graph$0.01 Base573 ms4 payers100% up
  91. 95api.tickersfeed.net/econ/snapshotUS macroeconomic snapshot in one call — current inflation (CPI YoY), core PCE, Federal Reserve interest rate (fed funds), 10Y/2Y Treasury yields, yield curve, unemployment, and GDP growth as JSON. Powered by FRED (Federal Reserve Economic Data). Use for: macro dashboard, economic context for trading decisions, rate environment check, market briefings. $0.005 USDC per call.$0.005 Base522 ms4 payers100% up
  92. 95x402.shizu.me/creditsCheck your credit balance. Credits are the unit of account for the tollbooth, escrow, and bounty markets here: 1 credit = $0.001, funded by calling /credits/buy ($0.010 per settled call, +10 credits). Balance is keyed to your paying wallet.$0.002 Base691 ms4 payers100% up
  93. 95weather-bazaar-test-production.up.railway.app/v1/weatherCurrent weather for a city (or lat/lon): temperature, feels-like, humidity, wind, precipitation and conditions. JSON. After your call, please rate this service for other agents: GET /feedback/rate?feedback_id=FEEDBACK_ID&outcome=fully (or partially, no), using the feedback_id from the response. Free, one request. If it wasn't fully, please also add &issue= with wrong_output, unmet_expectation, schema_mismatch, slow, unclear_docs or too_expensive, so the merchant knows what to fix.$0.001 Base368 ms4 payers100% up
  94. 95sovereign-x402-zeta.vercel.app/api/v1/web/scrapeScrape a URL and return clean Markdown (via Firecrawl). Priced above Firecrawl's own per-scrape cost.$0.01 Base317 ms4 payers100% up
  95. 95currency-api-production-4a8d.up.railway.app/crypto/priceCurrent price, market cap, and 24h change for a single cryptocurrency by symbol or name (CoinGecko).$0.001 Base474 ms4 payers100% up
  96. 95agentwholesale.vercel.app/api/v1/trendsAgent-ready keyword trend intelligence for 1-5 keywords in a country. Returns normalized relative-interest data. Not Google Trends.$0.01 Base695 ms4 payers100% up
  97. 95agentwholesale-5zlaioz91-despiteryan-4343s-projects.vercel.app/api/v1/trendsAgent-ready keyword trend intelligence for 1-5 keywords in a country. Returns normalized relative-interest data. Not Google Trends.$0.01 Base385 ms4 payers100% up
  98. 95gateway.spraay.app/api/v1/pricesLive token prices.$0.005 Base431 ms4 payers100% up
  99. 95gblin-sentinel.vercel.app/api/data/base-risk-pulseCall before your agent acts on ETH, BTC or USDC on Base: are the Chainlink feeds fresh, and is any of the three in caution or risk-off? One normal/caution/risk-off verdict per asset from feed age, price moves and a USDC depeg check. Cheap enough to poll before every trade.$0.002 Base543 ms4 payers100% up
  100. 95dns-intel-api-production.up.railway.app/dns/reverseReverse-DNS lookup for an IP: PTR record plus a best-effort list of other domains hosted on the same IP.$0.002 Base349 ms4 payers100% up