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. 95alphapipeline-eu.onrender.com/v1/prediction/hip4-snapshotReal-time pre-trade signal: a probability snapshot of Hyperliquid's HIP-4 prediction markets - crypto price binaries, sports outcomes, tournament winners, Fed rate decisions, and more. Fields are parsed verbatim from Hyperliquid, so new market types appear automatically. Optional template/underlying filters narrow the result; limit caps rows (max 500). Subscribe to webhook alerts via GET /v1/prediction/hip4-alerts/subscribe. Paid in USDC on Base.$0.01 Base507 ms2 payers100% up
  2. 95alphapipeline-eu.onrender.com/v1/prediction/hip4-price-ladderPrice ladder for Hyperliquid HIP-4 'above $X' price-binary markets: same-underlying outcomes sorted by strike, each with its live Yes probability. Reuses hip4-snapshot's cached data - no new upstream call. No volume field (Hyperliquid doesn't expose one for HIP-4). Required `underlying` (e.g. BTC, ETH, SOL, HYPE); optional `limit` (max 500). Paid in USDC on Base.$0.01 Base517 ms2 payers100% up
  3. 95alphapipeline-eu.onrender.com/v1/derivatives/funding-apr-matrixAnnualizes the current perpetual funding rate into an APR, flags which side (SHORT or LONG perp) currently collects funding, and computes carry-trade breakeven days against an assumed round-trip trading cost. Pure calculation on top of funding-rate data. Paid in USDC on Base.$0.01 Base371 ms2 payers100% up
  4. 95x402.glassnode.com/v1/metrics/transactions/transfers_volume_exchanges_netNet Transfer Volume from/to Exchanges — The net flow of coins into and out of exchanges, computed as the difference between volume flowing into exchanges and volume flowing out. Data by Glassnode.$0.05 Base316 ms2 payers100% up
  5. 95api.loopholetape.com/v1/base/launches/sinceNew Solana tokens as they launch on pump.fun: a cursor feed of new memecoin launches 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 Base603 ms2 payers100% up
  6. 95api.blockchain.info/explorer-gateway-kt/x402/charts/utxo-countPaid AI-agent access to Blockchain.com Explorer API$0.001 Base642 ms2 payers100% up
  7. 95api.blockchain.info/explorer-gateway-kt/x402/charts/transactions-per-secondPaid AI-agent access to Blockchain.com Explorer API$0.001 Base712 ms2 payers100% up
  8. 95api.blockchain.info/explorer-gateway-kt/x402/charts/transaction-fees-usdPaid AI-agent access to Blockchain.com Explorer API$0.001 Base594 ms2 payers100% up
  9. 95api.blockchain.info/explorer-gateway-kt/x402/charts/transaction-feesPaid AI-agent access to Blockchain.com Explorer API$0.001 Base577 ms2 payers100% up
  10. 95api.blockchain.info/explorer-gateway-kt/x402/charts/trade-volumePaid AI-agent access to Blockchain.com Explorer API$0.001 Base814 ms2 payers100% up
  11. 95api.blockchain.info/explorer-gateway-kt/x402/charts/total-bitcoinsPaid AI-agent access to Blockchain.com Explorer API$0.001 Base601 ms2 payers100% up
  12. 95api.blockchain.info/explorer-gateway-kt/x402/charts/nvtsPaid AI-agent access to Blockchain.com Explorer API$0.001 Base738 ms2 payers100% up
  13. 95api.blockchain.info/explorer-gateway-kt/x402/charts/nvtPaid AI-agent access to Blockchain.com Explorer API$0.001 Base536 ms2 payers100% up
  14. 95api.blockchain.info/explorer-gateway-kt/x402/charts/n-unique-addressesPaid AI-agent access to Blockchain.com Explorer API$0.001 Base746 ms2 payers100% up
  15. 95api.blockchain.info/explorer-gateway-kt/x402/charts/n-transactions-totalPaid AI-agent access to Blockchain.com Explorer API$0.001 Base968 ms2 payers100% up
  16. 95api.blockchain.info/explorer-gateway-kt/x402/charts/n-transactions-per-blockPaid AI-agent access to Blockchain.com Explorer API$0.001 Base576 ms2 payers100% up
  17. 95api.blockchain.info/explorer-gateway-kt/x402/charts/n-transactionsPaid AI-agent access to Blockchain.com Explorer API$0.001 Base534 ms2 payers100% up
  18. 95api.blockchain.info/explorer-gateway-kt/x402/charts/miners-revenuePaid AI-agent access to Blockchain.com Explorer API$0.001 Base733 ms2 payers100% up
  19. 95api.blockchain.info/explorer-gateway-kt/x402/charts/mempool-sizePaid AI-agent access to Blockchain.com Explorer API$0.001 Base712 ms2 payers100% up
  20. 95api.blockchain.info/explorer-gateway-kt/x402/charts/mempool-countPaid AI-agent access to Blockchain.com Explorer API$0.001 Base489 ms2 payers100% up
  21. 95api.blockchain.info/explorer-gateway-kt/x402/charts/median-confirmation-timePaid AI-agent access to Blockchain.com Explorer API$0.001 Base534 ms2 payers100% up
  22. 95api.blockchain.info/explorer-gateway-kt/x402/charts/market-pricePaid AI-agent access to Blockchain.com Explorer API$0.001 Base550 ms2 payers100% up
  23. 95api.blockchain.info/explorer-gateway-kt/x402/charts/market-capPaid AI-agent access to Blockchain.com Explorer API$0.001 Base737 ms2 payers100% up
  24. 95api.blockchain.info/explorer-gateway-kt/x402/charts/hash-ratePaid AI-agent access to Blockchain.com Explorer API$0.001 Base737 ms2 payers100% up
  25. 95intel.degenscan.io/v1/oracle/edgePolymarket edge list: where a calibrated forecaster disagrees most with the listed market. For every open daily-board question matched to a Polymarket market: oracle probability, 80% interval, market YES price, edge (p − odds), side, base rate, resolution date and a sha256 commitment hash; sorted by |edge|. Cached from the daily board — no LLM, made for polling. Public Brier track record.$0.002 Base422 ms2 payers100% up
  26. 95intel.degenscan.io/v1/oracle/boardDaily board of calibrated probabilities for standing binary questions (BTC/ETH/SOL vs price targets, next FOMC, top Polymarket markets, CPI/NFP): probability, 80% interval, base rate, market odds, edge, commitment hash. Cached, refreshed daily — poll it in a loop.$0.002 Base369 ms2 payers100% up
  27. 95intel.degenscan.io/v1/eventsEverything that happened since <since> that touches a universe of ~150 assets (stocks, ETFs, crypto, commodities, rates), scored into per-asset impacts. Past `since` = backtest.$0.005 Base354 ms2 payers100% up
  28. 95search.agent.s.brave.app/res/v1/web/searchWeb search over Brave's independent index. Returns ranked pages with title, URL, and snippet, plus news, video, and discussion results when relevant. Use it to find current sources on any topic. Pass q, and optionally count, offset, country, search_lang, and freshness.$0.005 Base430 ms2 payers100% up
  29. 95api.blockchain.info/explorer-gateway-kt/x402/charts/cost-per-transactionPaid AI-agent access to Blockchain.com Explorer API$0.001 Base477 ms2 payers100% up
  30. 95api.blockchain.info/explorer-gateway-kt/x402/charts/blocks-sizePaid AI-agent access to Blockchain.com Explorer API$0.001 Base387 ms2 payers100% up
  31. 95offercheck.offercheck.workers.dev/v1/verify/offerVerify the live price and availability of a product at a URL before you buy or quote it. Fetches the page now, extracts price/currency/availability from JSON-LD, Shopify JSON, OpenGraph or microdata, and returns evidence (method, snippet, content hash, fetch time) plus a confidence score. $0.01 per check.$0.01 Base439 ms2 payers100% up
  32. 952-28-111-166.sslip.io/v1/summarizeFasst Text zusammen (Summarize text).$0.01 Base740 ms2 payers100% up
  33. 95squeezeos-api.onrender.com/api/quick/searchStock ticker and company search API. Find US equity symbols by company name or ticker for trading, research, and autonomous-agent workflows.$0.001 Base675 ms2 payers100% up
  34. 95trust-agent.io/v1/watch/addressesHas anything changed about counterparties you already screened? Re-checks a list of addresses against OFAC designations and delistings since a timestamp you supply, so a verdict you acted on last month does not go quietly stale. Stateless: no watchlist is stored and nothing is sent to you — pass the returned checkedAt back as `since`. Free alternative: GET /v1/watch. Trial: 3 free calls/wallet/24h — https://trust-agent.io/v1/trial.$0.002 Base933 ms2 payers100% up
  35. 95crosscheckapi.com/v1/accept-liteVerify output another AI agent hands back, by code alone, for $0.005: no model call, answers in about a second. Recomputes the deliverable's written sums, totals, percentages, dates, weekdays, time spans, unit conversions, and list counts; checks lengths the task asks for; flags placeholders and prompt injection; measures words, items, and JSON shape. Signed receipt, tier lite. For every requirement judged, use accept ($0.03).$0.005 Base873 ms2 payers100% up
  36. 95machine-market-social-mainnet.machine-market.workers.dev/profileFetch a current public creator profile.$0.008 Base871 ms2 payers100% up
  37. 95aayatai.com/dao/searchFind a DAO's Snapshot space by name: returns matching spaces, biggest first, with their id (to use with dao-proposals), whether Snapshot has verified them, followers, number of proposals and how many votes are open now. E.g. q=uniswap, aave, arbitrum, ens.$0.001 Base883 ms2 payers100% up
  38. 95aayatai.com/tools/findFind the best tool for a job. Describe the task in plain English (e.g. 'check if a token is a rug pull', 'scrape a page to markdown', 'cheap LLM chat') and get a short ranked list of pay-per-call x402 APIs and MCP servers side by side: what each does, exactly how to use it, price, reliability from our own checks, and why it fits. Neutral: ranking is never paid, and you call and pay each tool directly.$0.002 Base488 ms2 payers100% up
  39. 95aayatai.com/perps/orderbookLive order book for a perpetual futures market on Hyperliquid or dYdX: best bid and ask, spread in bps, USD depth within 10/50/100 bps of mid, and the average fill price and slippage of a market buy and sell of your size. Pass ?coin=ETH&sizeUsd=25000 (&venue=dydx).$0.002 Base382 ms2 payers100% up
  40. 95aayatai.com/perps/candlesOHLCV candles for a perpetual futures market on Hyperliquid or dYdX (1m to 1d, up to 500), with a summary: change, high/low, USD volume and annualised realised volatility. Pass ?coin=ETH&interval=1h&limit=24 (&venue=dydx).$0.002 Base837 ms2 payers100% up
  41. 95aayatai.com/dao/proposalsA DAO's governance votes from Snapshot: the latest proposals (active, closed or all) with title, dates, voting type, each choice's votes and share, the leading choice, number of voters, quorum and whether it was met, a short summary and the link. Give the Snapshot space id, e.g. uniswapgovernance.eth, aavedao.eth, arbitrumfoundation.eth. No voter addresses.$0.002 Base854 ms2 payers100% up
  42. 95aayatai.com/sql/explainExplain and sanity-check a SQL query before running it: statement type, tables touched, syntax problems (quotes, parentheses, = NULL), risky patterns (UPDATE/DELETE without WHERE, DROP, NOT IN with NULLs, cartesian joins, non-sargable filters, multiple statements) and a plain-English explanation. POST {sql, dialect}.$0.003 Base34 ms2 payers92% up
  43. 95aayatai.com/protocol/fees/topWhich crypto protocols earn the most: a ranking by fees paid by users or by the protocol's own revenue over 24 hours, 7 days or 30 days, optionally for one chain (e.g. Base, Solana) or one category (Dexs, Lending, Stablecoin Issuer, Derivatives...). Up to 50 rows with amount, day-on-day change and number of chains. DefiLlama data.$0.003 Base789 ms2 payers100% up
  44. 95search.cyberwarex.com/search-contentsWeb search with the page text already extracted: one call returns the top results for a query AND the readable content of each result page (JavaScript rendered, markdown or text, truncated to max_chars). What an agent needs to answer a question with sources without a second round of fetches. Up to 5 pages per call, fetched in parallel.$0.006 Base482 ms2 payers100% up
  45. 95aayatai.com/dex/topThe busiest decentralised exchanges: DEXs ranked by trading volume over 24 hours, 7 days or 30 days, across all chains or on one chain (e.g. Base, Solana, Arbitrum), with each one's share of the total, day-on-day change and number of chains. Up to 50 rows. DefiLlama data.$0.003 Base427 ms2 payers100% up
  46. 95aayatai.com/changelogWhat changed in a library or SDK since a date: every version published since then (npm, PyPI, crates, Go) and the release notes from its GitHub releases or CHANGELOG, newest first, with breaking-looking lines flagged. Works for any GitHub repository too (API SDKs, CLIs). ?name=openai&since=2026-09-01 or ?repo=stripe/stripe-node&since=2026-09-01$0.005 Base24 ms2 payers92% up
  47. 95aayatai.com/x402/trendsWhat's growing in the x402 economy: services with the biggest rise in unique buyers over the last N days, from our own daily history of the Bazaar catalogue (history started 2026-09-28 and grows every day), over a window of 1 to 90 days (7 by default). For builders, investors and agents choosing reliable providers.$0.01 Base363 ms2 payers100% up
  48. 95aayatai.com/x402/find/liveLike /x402/find, but the shortlist is re-checked right now: we send each top candidate one unpaid request and keep only those answering with a valid x402 price quote, with live price and response time. Plain-English job in, such as 'web search api' with a budget per call; working services out. Never pays them.$0.01 Base258 ms2 payers92% up
  49. 95aayatai.com/trade/precheck/cachedPre-trade check before buying or selling a token, cached tier (up to 5 minutes old): go/caution/no-go with reasons, from token safety and taxes, liquidity and estimated price impact for your trade size, holder concentration, the chain's swap fee now and the round-trip cost. 8 chains incl. Base, Solana, Ethereum. ?address=...&chain=base&amountUsd=1000&side=buy$0.01 Base275 ms2 payers92% up
  50. 95aayatai.com/defi/yieldsBest DeFi yields for a token and chain, ranked by risk-adjusted APY (sustainable APY, discounted for risk): APY (base vs rewards), TVL, 30-day average, impermanent-loss risk, audits and past hacks of the protocol, with a 0-100 risk score and plain risk notes per pool. E.g. ?token=USDC&chain=base&minTvlUsd=1000000. Filters: project, stablecoinOnly, noImpermanentLoss, sort.$0.01 Base297 ms2 payers92% up
  51. 95aayatai.com/stablecoins/depegStablecoin depeg monitor across 400+ USD, EUR, GBP and other stablecoins: which trade below their peg now and how badly, which are seeing fast redemptions (supply falling, often a run), which trade at a premium, and the status of the 10 largest. Filter by depeg threshold (percent), peg currency, symbol and minimum supply.$0.005 Base75 ms2 payers92% up
  52. 95aayatai.com/pool/depthLiquidity-pool depth and slippage for a trade size on any token (8 chains incl. Base, Solana, Ethereum): each major pool's liquidity, fee tier and estimated price impact for your amount, the largest trade for 0.5/1/2/5% impact, and whether splitting across pools helps (with the split). ?address=...&chain=base&amountUsd=5000$0.005 Base46 ms2 payers92% up
  53. 95aayatai.com/markdownConvert any web page, PDF, Word (.docx), Excel (.xlsx/.xls), OpenDocument, CSV or XML URL to clean, LLM-ready Markdown, up to 10 MB: returns title, Markdown, links (web pages) and character count. url is the document address (https://...). For JavaScript-heavy sites use /markdown/rendered. Private addresses are blocked; failures are not charged. ?url=https://example.com/report.pdf$0.005 Base25 ms2 payers92% up
  54. 95aayatai.com/eu/leiLook up legal entities in the global LEI register (GLEIF, 2.9M+ companies and funds worldwide): by LEI (with direct and ultimate parent companies), by name, or by national company number. Registered address, status, jurisdiction. Companies only.$0.005 Base30 ms2 payers92% up
  55. 95aayatai.com/image/captionDescribe an image for an AI agent: a caption (short) or a detailed description of the scene, objects, text, colours and layout, plus alt text. JPEG, PNG, GIF or WebP up to 5 MB from a public URL. People are described generically, never identified.$0.008 Base62 ms2 payers91% up
  56. 95app.tenna.ai/api/x402/verifier/x402_endpoint_lintx402 Endpoint Payment Check. Check an x402 endpoint's 402 payment-required body before you rely on it. Reports whether the contract is payable, whether it is opted in to the Bazaar catalogue, and whether a buying agent can read its input schema by machine. Every defect carries a JSON evidence path. Reads the body you supply; it does not pay or call the endpoint. A PASS is not a correctness guarantee and not a claim that the service is accurate.$0.01 Base541 ms2 payers100% up
  57. 95aayatai.com/ai/models/pickCheapest AI model that can do your job. Describe the task (or list needed features: tools, json, reasoning, vision...), expected input/output tokens and a quality level (budget/balanced/best); get the cheapest suitable models across all major providers with estimated USD cost per call and per 1,000 calls, from live prices. POST {task, inputTokens, outputTokens}.$0.01 Base68 ms2 payers92% up
  58. 95api.cra-agent.tech/v1/upto/thinkAsk the thinking agent anything. It pays for its own thoughts and tools on Arc; you pay what it spent plus $0.005, up to $0.10.$0.10 eip155:5042544 ms2 payers100% up
  59. 95x402check.xyz/v1/risk-checkCheck a counterparty before paying: OFAC SDN, phishing and drainer feeds, a live watch of drainer infrastructure, transaction simulation and injected-instruction analysis. Returns a score and a signed ES256 attestation.$0.0035 Base802 ms2 payers100% up
  60. 95x402check.xyz/v1/risk-check/batchUp to 25 counterparty risk checks in one call, billed per item, each with a signed ES256 attestation.$0.007 Base489 ms2 payers100% up
  61. 95webtools402.176-109-107-191.sslip.io/screen/entityFuzzy-screen a person or organization name against the official public sanctions lists (OFAC SDN, UK, EU, UN), including aliases. Returns scored matches with list, program, country, type, and reference.$0.005 Base773 ms2 payers100% up
  62. 95api.sitecheck-api.workers.dev/api/auditWebsite audit in one call: WCAG 2.2 accessibility issues (European Accessibility Act) with fixes and a score, SEO basics, security headers and tech stack.$0.02 Base668 ms2 payers100% up
  63. 95x402-factory.com/v1/forecast/houston/windowWill it rain in Houston during your event window — Event-window weather odds for Houston: pass a start and end time (or omit them for the next six hours) and get rain probability and expected conditions across the window — built for scheduling decisions. Same shape as /v1/forecast/window with the Houston coordinates built in.$0.02 Base366 ms2 payers100% up
  64. 95agdata.shveik.dev/x402/linkedinLook up one public LinkedIn profile per call. Pass {query} as a username (williamhgates), a profile URL or a URN; there is no limit field. The normalized object holds name, first_name, last_name, headline, about, location, country_code, current_company, followers, connections, avatar, plus experience (title, company, start_year, end_year, is_current) and education (school, degree, field, years). Email addresses are not returned.$0.033 Base578 ms2 payers100% up
  65. 95api.solsentry.app/x402/v1/tx-previewPre-sign transaction review. Send a base64 transaction (or an already parsed one) and get back what it actually does: the programs it invokes, the authorities it hands over, and the risk flags a wallet should show the user before they approve.$0.008 Solana636 ms2 payers100% up
  66. 95x402.nexari.cloud/transcribe/10minTranskription bis 10 Min Audio, Whisper large-v3-turbo, Deutsch optimiert, verarbeitet in Deutschland. Speech-to-text for audio up to 10 min (mp3, m4a, ogg, wav, mp4), German-optimised, processed in Germany. JSON body with audio_url or audio_base64. Longer files are rejected before payment settles. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json$0.10 Base806 ms2 payers100% up
  67. 95x402.nexari.cloud/transcribe/2min/speakersTranskription mit Sprechertrennung bis 2 Min Audio (pyannote + Whisper), verarbeitet in Deutschland. Speech-to-text with speaker diarization for audio up to 2 min, German-optimised, processed in Germany. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json$0.04 Base811 ms2 payers100% up
  68. 95x402.nexari.cloud/transcribe/2minTranskription bis 2 Min Audio, Whisper large-v3-turbo, Deutsch optimiert, verarbeitet in Deutschland. Speech-to-text for audio up to 2 min (mp3, m4a, ogg, wav, mp4), German-optimised, processed in Germany. JSON body with audio_url or audio_base64. Longer files are rejected before payment settles. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json$0.02 Base809 ms2 payers100% up
  69. 95x402.nexari.cloud/helloHallo Welt der Nexari GmbH: kleinster bezahlter Test-Endpunkt, gibt Gruß, Zeit und gezahlten Betrag zurück. Hello world from Germany: smallest paid x402 smoke test, returns greeting, timestamp and paid amount. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json$0.001 Base805 ms2 payers100% up
  70. 95api.maxwellinternational.ai/v1/ski/inventorySki resort directory for one country (US: one state), worldwide: each resort with region, operator, official site, ticket-shop and price-list links, currency and coordinates of the main lift or ticket office. No prices (see ski.prices).$0.01 Base965 ms2 payers100% up
  71. 95api.maxwellinternational.ai/v1/trip/rentalSki rental and ski shops plus ski schools at one resort, rental shops first, each with its nearest lift base and distance, address, phone, website and opening hours as published. Each answer repeats the trip map with the next step and bundle price.$0.01 Base513 ms2 payers100% up
  72. 95api.maxwellinternational.ai/v1/trip/attractionsThings to do around one ski resort other than bars: viewpoints, caves, museums, spas and saunas, water parks, ice rinks, snow parks, cross-country trails, with season, months, opening hours and distance from the mountain. Each answer repeats the trip map with the next step and bundle price.$0.01 Base591 ms2 payers100% up
  73. 95api.maxwellinternational.ai/v1/ski/resortCard for one ski resort: operator, region, official site, ticket shop and price-list links, which ticket types and age bands have prices on file, currency, date span and when prices were read. No price amounts (those are /v1/ski/prices). Resort ids from /v1/ski/coverage.$0.01 Base533 ms2 payers100% up
  74. 95api.maxwellinternational.ai/v1/ski/quoteOne lift-ticket price: the published price for one resort, ticket type (day, multi-day, half-day, season) and age band (adult, child, youth, senior), with its source page and the date it was read. Cheapest way to answer "what does a day pass cost". 404, not charged, when that combination is not on file.$0.01 Base537 ms2 payers100% up
  75. 95api.maxwellinternational.ai/v1/resort/conditionsLive conditions at one ski resort: 7-day forecast at the base (arrival point) and summit with fresh-snow estimate, the nearest official weather stations latest readings (temperature, wind, snow depth), the resort own lift status (open/closed per lift, as it publishes it) and snow report where it has a feed, and park notices. Forecasts refresh every 6 hours, lift status every 15 minutes. Any of the 5,900 resorts worldwide.$0.005 Base613 ms2 payers100% up
  76. 95api.maxwellinternational.ai/v1/rdap/domainDomain registration record, looked up live from the registry's own RDAP server: whether it is registered, registrar, status flags, created / updated / expiry dates, nameservers, and which registry answered. No personal contact data. Every lookup is an answer and is charged: "not registered" (registered:false) and "this registry offers no RDAP service" (rdapAvailable:false, e.g. .de) included.$0.005 Base557 ms2 payers100% up
  77. 95bazaar.fronesislabs.com/evaluate/jailbreakDetect jailbreaks, prompt injection, and instruction conflicts before the agent follows them.$0.02 Base791 ms2 payers100% up
  78. 95api.loopholetape.com/v1/check/mint/:mintIs this Solana token safe? Solana token safety check (rug check) for one pump.fun memecoin: calibrated rug probability and observed flags, not a safety guarantee ($0.005). Use to check one Solana token for rug risk right before a swap or while holding a pump.fun memecoin; not for finding new mints (use the free /v1/radar or the $0.001 delta feed, GET /v1/launches/since).$0.005 Solana545 ms2 payers100% up
  79. 95api.maxwellinternational.ai/v1/doctor/checkupx402 Doctor checkup of any x402 endpoint, without buying: whether it answers with a valid payment request, its x402 version and any problems in it, the prices and networks it asks for, its payTo wallets and response time.$0.002 Base434 ms2 payers100% up
  80. 95api.maxwellinternational.ai/v1/llm/chatAI assistant from the Maxwell International LLM service (model maxwell-chat), OpenAI-style chat completion: POST {model, messages, max_tokens}. Priced per call before it runs: estimated prompt tokens x $1.50/M + max_tokens x $3.00/M + $0.005, so max_tokens is your spend limit (a short question with max_tokens 80 is about $0.0059). Text only; no streaming, tools or live search. Free model list and rates: GET /v1/llm/models.$0.0065 Base671 ms2 payers100% up
  81. 95api.maxwellinternational.ai/v1/edgar/financialsCompact financial statements from SEC XBRL company facts: about 40 standard us-gaap and dei line items (revenue, net income, EPS, cash, debt, shares...), one value per calendar period, last 10 years and 12 quarters, fiscal Q4 derived. A tag a company stopped using ends in that year.$0.005 Base346 ms2 payers100% up
  82. 95api.maxwellinternational.ai/v1/uspto/patentUS patent search by keywords (?q=, every word must match; up to 10 USPTO applications and grants, newest filing first) or one patent by number (?patentNumber=US11000000). Each result: title, assignee, inventors, CPC classes, filing and grant dates, USPTO status, and patentNumber for granted patents or applicationNumber for pending applications. Uncached: 404, not charged.$0.005 Base503 ms2 payers100% up
  83. 95402.com.tr/api/x402/bank-csvParse a bank CSV (comma/semicolon/tab, quoted fields) and map common headers (date/amount/debit/credit/balance/description, TR aliases) into one schema. Up to 500 rows. Best-effort.$0.01 Base828 ms2 payers100% up
  84. 95api.maxwellinternational.ai/v1/weather/observationMost recent NWS station observation (by stationId, or the station nearest a lat/lon): temperature, dewpoint, wind, humidity, pressure, conditions, with observedAt showing when it was measured. 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 Base463 ms2 payers100% up
  85. 95api.maxwellinternational.ai/v1/weather/pointNWS point metadata for a US lat/lon: forecast office, grid x/y, time zone, county, nearest observation station and the NWS forecast links. Changes rarely. 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 Base330 ms2 payers100% up
  86. 95api.maxwellinternational.ai/v1/weather/noaaNWS daily/period forecast for a US point or grid; same answer as weather.forecast. 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 Base345 ms2 payers100% up
  87. 95api.maxwellinternational.ai/v1/weather/gridpointNWS quantitative gridded forecast for a US point: time series for temperature, dewpoint, humidity, wind and gusts, sky cover, precipitation probability and amount, snowfall, ice, snow level, visibility, thunder probability, weather and hazards (about 7 days). Filter with fields= and hours=. 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 Base509 ms2 payers100% up
  88. 95api.maxwellinternational.ai/v1/weather/discussionLatest NWS Area Forecast Discussion (forecaster reasoning, confidence, key messages, aviation) for a forecast office or the office covering a US point, split into sections; text=0 omits the raw product. 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 Base422 ms2 payers100% up
  89. 95api.maxwellinternational.ai/v1/weather/alerts-by-stateActive NWS alerts for one US state or territory (full name, e.g. Colorado): event, severity, urgency, certainty, headline, area, onset and end times. 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 Base543 ms2 payers100% up
  90. 95api.maxwellinternational.ai/v1/nvd/cveNVD (National Vulnerability Database) CVE record by id, or search by keyword in recent CVEs: description, severity and CVSS base score, status, published and last-modified dates, and whether it is on CISA's Known Exploited list. Cached; records refreshed within about 48 hours.$0.005 Base380 ms2 payers100% up
  91. 95api.maxwellinternational.ai/v1/market/quotesBundle of all cached live crypto quotes from the market scraper.$0.005 Base364 ms2 payers100% up
  92. 95api.maxwellinternational.ai/v1/market/quoteLatest crypto trade tick from Binance public WebSocket cache. Pass symbol=BTCUSDT (also ETHUSDT, SOLUSDT, BNBUSDT, XRPUSDT).$0.005 Base361 ms2 payers100% up
  93. 95api.maxwellinternational.ai/v1/macro/fred/seriesFRED (Federal Reserve Bank of St. Louis) series observations by series id, e.g. GDP, UNRATE, CPIAUCSL: dates and values with the series title, units and frequency.$0.005 Base487 ms2 payers100% up
  94. 95audit.liquidlogicx.com/api/allowanceCall this BEFORE paying an x402 endpoint: ask whether the Liquid Logic treasurer wallet (0xEA24…) is allowed to pay that URL and how much USDC remains under the UTC daily cap. $0.001 USDC on Base — cheaper than /api/audit ($0.05). Pass wallet; optionally pass endpoint. Omit endpoint for wallet-level remaining + allowlist. Site: https://liquidlogicx.com$0.001 Base346 ms2 payers100% up
  95. 95x402.agentindex.world/summarizeSummarize a URL, raw text or HTML at the length you request - short, medium or long - with the source noted. Neutral and factual, no invented facts. Try GET /summarize/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.$0.002 Base519 ms2 payers100% up
  96. 95api.brazilayer.com/v1/pacotes/brasilEvery parameter-free endpoint of the Brazilayer catalog in ONE call, 43% cheaper than one by one: five commodity signals, three market feeds, fund flows and ranking, tax-transition calendar, deforestation ranking and open public tenders (13 endpoints, keyed by family and name). One payment, one response. Unavailable parts listed in `indisponiveis`; 503 and no charge if under half respond. Free sample, no payment: https://api.brazilayer.com/v1/pacotes/amostra$0.09 Base779 ms2 payers100% up
  97. 95x402.agentindex.world/extractExtract structured data from a URL or raw text into strict JSON matching a schema you provide. Fields the content doesn't support come back null - never an invented or approximate value, and an unmatchable schema returns an explicit error. Try GET /extract/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.$0.002 Base704 ms2 payers100% up
  98. 95api.tradebot.devs.surf/v1/market-data-attestationCrypto Market Data Integrity Attestation for agents and trading systems. Validate caller-supplied crypto market observations for causal timing, freshness, gaps, sequencing, identity consistency, and cryptographic record hashes. Returns deterministic PASS/FAIL, safe_to_use, named checks, and attestation identity. Use before analytics, research, or trading workflows. No market data acquisition or redistribution; no trade recommendation.$0.01 Base831 ms2 payers100% up
  99. 95torii-gateway-production.ichis-lab.workers.dev/v1/jp-biz-calendar/is-business-dayTell whether a given date is a Japanese business day. Japanese national holidays and business-day calculations derived from the Cabinet Office official CSV. Returns holidays for a given year, plus business-day arithmetic used by invoicing, logistics and HR systems in Japan.$0.01 Base895 ms2 payers100% up
  100. 95odds.rjhsignaltech.workers.dev/v1/forecastAI-model probability estimate for a yes/no question that resolves by a date: probability, rationale, drivers and what to watch, anchored on live prediction-market prices when they exist. Not a calibrated or track-recorded forecast. AI forecast, event probability. Omnia Odds by RJH Signal Technologies LLC, a company operated end to end by an AI.$0.01 Base475 ms2 payers100% up