x402watch

37,707 paid endpoints are listed. 23,020 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 2026-09-30 05:46 UTC · 37,707 probed

23,020 answering 4029,132 down4,532 rejecting1,023 no paywall2,818 price drift
  1. 100x402.ottoai.services/domain-reportOne call returns the full domain profile for vetting, deliverability, or phishing/fraud checks: live DNS (A/MX/NS + record counts), RDAP/WHOIS registration (registrar, domain age, expiry, status, DNSSEC) and email authentication (SPF, DMARC policy, detected DKIM selectors) — plus a one-line summary. Bundles three lookups into one hourly-fresh read. Keyless, license-clean, pay-per-call.$0.02 Base176 ms3 payers100% up
  2. 100x402.ottoai.services/equity-smart-moneySmart-money bundle for any US-listed company by ticker, in ONE call: SEC Form 4 insider activity (purchases vs sales — SEC codes P/S, net purchase-sale balance, who filed and their roles) PLUS trailing-twelve-month fundamentals (revenue + YoY, net income + YoY, diluted EPS) from XBRL filings. 4/A-amended insider windows withheld once detected (~1h lag): unpaid 503. Smart money, fundamentals. Public-domain SEC EDGAR. $0.006 per call.$0.006 Base179 ms3 payers100% up
  3. 100vaaya.ai/api/run/files/upload_from_urlFetch a file from a public URL into your persistent Vaaya file library (server-side — no local download needed). Returns file_id and get_url. Max 100MB per file.$0.01 Base200 ms3 payers100% up
  4. 100agent402.tools/api/sol-token-safetySafety verdict for one Solana token mint: a graded risk score with the concrete reasons behind it, mint and freeze authority state, how much of the liquidity pool is locked, top-holder concentration, holder count and whether the token is verified. Use it before an agent buys, quotes, or recommends an unfamiliar token, and to screen a list of mints in seconds.$0.005 Base88 ms3 payers100% up
  5. 100api.hergertsynthora.com/v1/commodity-macroGold, silver and major macro FX reference in one call for portfolio-hedging agents. ECB + metals reference. Free source. $0.05 USDC via x402 on Base. SYNTHORA. Pay-per-call via x402 on Base. No charge on upstream failure.$0.05 Base216 ms3 payers100% up
  6. 100vaaya.ai/api/run/kadec0/fetchKadec0 — 29 public-data endpoints over x402: academic papers, CVE, FDA/recalls, SEC EDGAR, congress trades, USGS quakes, permits, whois/domain/DNS, geocode, weather, nutrition, HackerNews/StackOverflow, DeFi TVL/yields/gas. GET { endpoint, ...query }. 1-11¢ caps. See research + onchain-data knowledge docs.$0.03 Base252 ms3 payers100% up
  7. 100vaaya.ai/api/run/courtlistener/casesSearch 10M+ US court opinions (CourtListener v4). Pass `q` + optional `court` (e.g. cand, ca9, scotus), `judge`, `filed_after`/`filed_before`, `order_by` ("dateFiled desc"), `cursor` (pagination). Returns case names, courts, dates, cites, and absolute_url links to full opinions.$0.01 Base182 ms3 payers100% up
  8. 100netintel.dev/schema-parse/extractExtract structured data from any unstructured text into your own JSON Schema — structured-data / information extraction, text-to-JSON, LLM data enrichment. You supply the schema; the LLM returns a matching object. Works for contacts, invoices, events, product specs, medical records, legal clauses, resumes — any shape. Returns the extracted object plus token usage; unfound fields are omitted or null.$0.01 Base102 ms3 payers100% up
  9. 100api.nansen.ai/api/v1/profiler/perp-pnl-summaryGet Hyperliquid Perp PnL Summary$0.01 Base86 ms3 payers100% up
  10. 100agent402.tools/v1/metered/messagesThe Anthropic Messages wire priced from the request itself: the 402 quotes this exact body, from $0.001, with upto buyers settling actual usage under the quote. Use it when an agent built on the Anthropic SDK, or Claude Code, needs any supported model paid per call with no account.$0.0019 Base81 ms3 payers100% up
  11. 100vaaya.ai/api/run/tavily/extractTavily — extract clean page content (JS handled) from up to 5 URLs you already have, in one 1¢ call. Pass `urls` (array, ≤5); optional `format` (markdown default | text). For bigger batches make multiple calls. Alternative to exa/contents (0.1¢/url, no JS) and firecrawl/scrape (1¢/url, full rendering).$0.01 Base158 ms3 payers100% up
  12. 100vaaya.ai/api/run/browserbase/create_sessionBrowserbase — Create a headless browser session via x402. Charges 0.2¢ per minute of estimatedMinutes (minimum 5). Returns sessionId + connectUrl.$0.01 Base223 ms3 payers100% up
  13. 100netintel.dev/tld-price/compareReference registration/renewal/transfer pricing from a curated table of ~21 common TLDs — Mode A: price one TLD (typical register/renew/transfer cost + renewal-markup %); Mode B: price a name across all covered TLDs, sorted cheapest-first with cheapest/cheapest_premium picks. Reference prices, not live per-registrar quotes — for budgeting and spotting predatory renewal markups; TLDs outside the table return pricing:null.$0.01 Base75 ms3 payers100% up
  14. 100agent402.tools/api/llm-proLLM inference proxy (Pro tier) - GPT-4o or GPT-4.1. Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call via x402. Input capped at 16k chars, output at 2048 tokens.$0.10 Base85 ms3 payers100% up
  15. 100x402.glassnode.com/v1/metrics/market/price_usd_closePrice — The closing price of the asset in USD, aggregated from both centralised and decentralised exchanges. Strictly immutable data points are available in the point-in-time variant of this metric. Data by Glassnode.$0.05 Base160 ms3 payers100% up
  16. 100x402.twit.sh/lists/tweetsGet 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.$0.01 Base217 ms3 payers100% up
  17. 100api.agentstools.dev/gasEVM gas oracle for any major chain - Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche: next-block baseFee plus slow, med and fast priority-fee tiers (maxFeePerGas and maxPriorityFeePerGas), read live from chain state in one call. Choose network (default Ethereum). EIP-1559 and legacy handled.$0.005 Base168 ms3 payers100% up
  18. 100x402-factory.com/v1/calendar/politics-worldUpcoming world politics event resolutions — Upcoming world politics market resolutions in date order with current blended probabilities — the forward calendar of world politics events an agent can position around. Same shape as /v1/calendar, pre-filtered to world politics markets.$0.01 Base47 ms3 payers100% up
  19. 100x402-factory.com/v1/calendar/politics-usUpcoming US politics event resolutions — Upcoming US politics market resolutions in date order with current blended probabilities — the forward calendar of US politics events an agent can position around. Same shape as /v1/calendar, pre-filtered to US politics markets.$0.01 Base48 ms3 payers100% up
  20. 100api.craigmbrown.com/v1/services/reputation.lookupBlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base | Look up an agent's settlement track record before you transact with it: completed vs. failed jobs, dispute history, and trust-score trend, sourced from signed on-chain settlement proofs rather than self-reported claims.$0.01 Base240 ms3 payers100% up
  21. 100api.agentstools.dev/code/scanStatic application-security scan of source code or a git-diff for CWE Top-25 logic bugs: SQL injection, XSS, command injection, code and template injection, SSRF, path traversal, insecure deserialization, weak crypto, insecure randomness, open redirect and XXE across Python, JavaScript, TypeScript, Java and Go. Returns a go/no-go verdict with per-finding CWE, severity, file and line. Static indicators, not a guarantee.$0.02 Base167 ms3 payers100% up
  22. 100x402.glassnode.com/v1/metadata/assetsAssets Metadata — Lists all assets known to Glassnode and their metadata, including symbol, name, type, supported blockchains, external IDs, and semantic tags. Use the optional CEL filter to narrow results. Data by Glassnode.$0.01 Base140 ms3 payers100% up
  23. 100api.agentstools.dev/convertPure-compute data format conversion (no network): JSON<->CSV, JSON<->YAML, JSON normalize/minify, Markdown->HTML (sanitized), HTML->Markdown/text, base64/hex, TOML->JSON. Operates only on the supplied data.$0.001 Base171 ms3 payers100% up
  24. 100agent402.tools/api/memory/casAtomically write (or release) a key only if its current value equals `expected` - the coordination primitive for distributed locks and optimistic concurrency across agents. Acquire a lock: expected=null + a value + ttlSeconds. Release it: expected=<your token> with no value (deletes on match). Update safely: expected=<old>, value=<new>. Returns whether it swapped and the current value.$0.001 Base85 ms3 payers100% up
  25. 100agent402.tools/api/route/execute-plusDescribe a task (or name a slug) and the Smart Order Router resolves the best-matching tool and RUNS it in the same call - flat $0.05 covering any tool listed at $0.04 or less, from THIS host's catalog or any external seller in the open index - x402 sellers, or MPP sellers on Tempo (paid on your behalf over x402 or MPP, result relayed). One payment, one request, result + receipt. /api/route quotes which tier a task needs; pricier tools return a self-correcting 409 with their direct route.$0.05 Base102 ms3 payers100% up
  26. 100api.nansen.ai/api/v1/smart-money/historical-holdingsGet Smart Money Historical Holdings Data$0.01 Base221 ms3 payers100% up
  27. 100agent402.tools/api/x402-auditGrade any x402 seller's payment-security posture from the outside - a read-only black-box check mapped to the 'Five Attacks on x402' failure modes. Probes the URL's 402 challenge (never pays) and scores TLS transport, gated-response cache hygiene (Attack III / cache leakage), error/info-leak hygiene, and payment-terms well-formedness, then returns a letter grade with per-check findings and an honest note on what only insider/active testing can confirm.$0.01 Base87 ms3 payers100% up
  28. 100api.blockscout.com/:chain_id/api/v2/tokens/:address_hash_param/holdersAccess to api/v2/tokens/:address_hash/holders. List addresses holding a specific token sorted by balance$0.002 Base168 ms3 payers100% up
  29. 100agent402.tools/api/pdfFetch a PDF from a URL and extract its text content. Returns page count, document info, and the full text (up to 20MB PDFs).$0.01 Base111 ms3 payers100% up
  30. 100agent402.tools/api/html-stripStrip all HTML tags and return plain text. Preserves block-level structure (paragraphs and headings become newline-separated). Faster and more predictable than running extract on a raw HTML string when you already have it.$0.001 Base107 ms3 payers100% up
  31. 100agent402.tools/api/uuidUUIDs on demand: version 4 (random) or version 7 (time-ordered, sortable), up to 100 per call. Use it when an agent needs identifiers for records, requests or files, or a sub-cent call to test an x402 client end to end before buying anything larger.$0.001 Base80 ms3 payers100% up
  32. 100agent402.tools/api/memory/rememberStore a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Prefer memory-write for structured state you will look up by exact key; this pair is for fuzzy, meaning-based retrieval. Pair with /api/memory/recall to retrieve by meaning, not exact key.$0.003 Base106 ms3 payers100% up
  33. 100agent402.tools/api/x402-market-pulseLive cross-provider x402 market sentiment. topProviders: the top x402 sellers ecosystem-wide, ranked by REAL on-chain activity (Agent402 included and flagged isSelf:true). Pick the lens with sort: 'usd' (revenue, default - whale-skewable), 'buyers' (distinct paying wallets - broadest adoption/reach), or 'calls' (raw volume). Every row carries all metrics plus callsPerBuyer (intensity), so revenue and actual ecosystem usage are both visible.$0.001 Base123 ms3 payers100% up
  34. 100agent402.tools/api/image-genGenerate an image from a text prompt using GPT Image 2 (low quality, 1024x1024). No API key needed; pay per call via x402. Returns base64 PNG. Prompt capped at 1000 chars.$0.03 Base82 ms3 payers100% up
  35. 100agent402.tools/api/unemployment-rateLatest US unemployment rate plus a trailing N-month series for trend. Source: FRED UNRATE (Bureau of Labor Statistics). ?months=12 (1-120, default 12).$0.005 Base104 ms3 payers100% up
  36. 100agent402.tools/api/search-newsLive news search as clean JSON: recent articles ranked with title, URL, snippet, age, source and a breaking flag, with a freshness filter. Use it for current events and headlines where a general web index lags.$0.01 Base81 ms3 payers100% up
  37. 100agent402.tools/api/x402-trendingMomentum across x402 sellers: which sellers are gaining settlements and buyers hour over hour on Base, graded for wash-trade resistance from the on-chain leaderboard. Use it when an agent is routing spend, researching the ecosystem, or deciding which sellers are worth a look this week.$0.005 Base82 ms3 payers100% up
  38. 100api.nansen.ai/api/v1/profiler/address/first-funderGet Address First Funder Data$0.01 Base65 ms3 payers100% up
  39. 100api.solenrich.com/entrypoints/stonk-quote/invokeCost and payback of one StonkFun trade at one size$0.005 solana195 ms3 payers100% up
  40. 100agent.pocket.network/v1/federal-registerFederal Register Search$0.005 Base146 ms3 payers100% up
  41. 100www.api-xpay.com/x402/sentimentAI sentiment analysis of text$10.00 Base278 ms3 payers100% up
  42. 100api.losbeto.xyz/web-searchWhat is the web saying right now? Live search results condensed into clean text for agent reasoning — answers beyond any model's training cutoff. Google-grade when the node's search provider is configured.$0.01 Base99 ms3 payers100% up
  43. 100api.losbeto.xyz/mempoolLive Solana network conditions: pending transaction pressure, current fee levels and priority-fee guidance for agents timing an execution.$0.01 Base97 ms3 payers100% up
  44. 100mart402.com/v1/jp-consumption-taxJapan consumption tax: per-rate invoice rounding (one rounding per rate), qualified invoice (T+13) field validation, simplified taxation, 20-percent special (taxable periods that include a day 2023-10-01..2026-09-30). $0.01/call.$0.01 Base143 ms3 payers100% up
  45. 100www.cultos.dev/services/vulnerability-auditVulnerability Audit by Cult OS$0.20 Base259 ms3 payers100% up
  46. 100agent.pocket.network/v1/address-standardizationAddress Standardization$0.005 Base141 ms3 payers100% up
  47. 100x402-doctor.onrender.com/api/v1/diagnoseCheck an x402 endpoint for payment problems$0.01 Base99 ms3 payers100% up
  48. 100agent.pocket.network/v1/wallet-portfolioWallet holdings across 12 chains in one call: native and known-token balances on Ethereum, Base, BNB Chain, Arbitrum, Monad, Robinhood Chain, Polygon, Avalanche, Plasma, Optimism, Solana and Hyperliquid. POST /v1/portfolio with {address} (0x or ENS) and optional chains; default is Ethereum only. Pay per request in USDC; no account, no API key.$0.005 Base141 ms3 payers100% up
  49. 100api.loopholetape.com/v1/launches/recentRecently launched pump.fun memecoins on Solana with holder, creator and rug-flag labels. Use to screen the new Solana tokens launched on pump.fun in the last hour in one call; to poll continuously use the $0.001 delta feed (GET /v1/launches/since, MCP launches_since), and for one mint the $0.005 rug check.$0.01 Solana221 ms3 payers100% up
  50. 100api.nohumans.directory/v1/listings/:id/verify-nowFor owners of a listed paid API: we buy from your endpoint with real USDC and publish the result on your nohumans.directory listing, whatever it finds. Plan "single": one purchase within 24 hours. Money decides when we buy, never the outcome, score or rank. Send your claim token as x-claim-token. Fee $3.00; this listing quotes $0.0050/call. Other plan: ?plan=pack ($5, three purchases in 30 days). Rule: https://nohumans.directory/methodology#verify-now$3.00 Base208 ms3 payers100% up
  51. 100agent.pocket.network/v1/web-search-serpWeb Search SERP$0.005 Base145 ms3 payers100% up
  52. 100mcp.zensched.com/x402/tools/event_listZenSched `event_list` — List events with optional filters: location_id, brand_id, date_from/date_to (YYYY-MM-DD), limit (max 500), offset. Returns total and has_more. Pay-per-call $0.01 USDC; the paying wallet owns the org (auto-provisioned on first call). Catalog: https://mcp.zensched.com/x402/tools$0.01 Base284 ms3 payers100% up
  53. 100pay.edge-agents.ai/v1/services/btc-cftc-leveraged-fund-positioningDirect CFTC Traders in Financial Futures leveraged-fund long, short, spread and net positioning for CME Bitcoin, including open-interest share. Purpose: Measure current leveraged-fund net positioning in CME Bitcoin using the CFTC TFF classification without inferring trader motive or predicting returns. 168-hour freshness target; missing evidence is reported explicitly rather than invented.$0.01 Base162 ms3 payers100% up
  54. 100netintel.dev/exa/answerAsk a question, get a direct answer grounded in a live web search, with numbered citations (title, url, published_date). One call replaces search + read + summarize. For ranked results instead of a synthesized answer use /exa/search. Keyless x402, pay per call on Base or Solana.$0.01 Base81 ms3 payers100% up
  55. 100mcp.zensched.com/x402/tools/form_listZenSched `form_list` — List your forms with submission counts. Pay-per-call $0.01 USDC; the paying wallet owns the org (auto-provisioned on first call). Catalog: https://mcp.zensched.com/x402/tools$0.01 Base57 ms3 payers100% up
  56. 100api.oblique.markets/api/v1/paid/web-searchUse when an agent needs web search. Returns Bounded web search for agents over a public encyclopedic reference index: ranked title, URL and snippet results with offset/limit paging and a total count. $0.01.$0.01 Base51 ms3 payers100% up
  57. 100api.hergertsynthora.com/v1/websearchKeyless web search for AI agents, pay-per-call, no API key and no signup: natural-language query in, ranked organic results out (title, url, snippet) with source list. Neutral web access for research, RAG grounding and fact-check agents that cannot hold search API keys. $0.05 USDC x402 Base. Input: {"input": "your query"}. Ed25519-signed.$0.05 Base183 ms3 payers100% up
  58. 100agente.revenuerecoveryai.app/v1/resumenResume texto y extrae estructura (resumen, puntos clave, entidades, sentimiento, idioma). Variante con parámetros en la URL, para textos cortos; usa POST para textos largos.$0.01 Base67 ms3 payers100% up
  59. 100agent402.tools/api/action-gateDeterministic preflight check for a proposed AI agent action - a tool call, payment, fetch, or write - before it executes. Evaluates up to four independent checks (prompt-injection scan on action text/untrusted text, URL/hostname validation, a bounded JSON-schema check on a payload, and a spend proposal against a spend mandate) and returns ALLOW, REVIEW, or BLOCK with stable reason codes plus a SHA-256 request/receipt hash pair.$0.01 Base100 ms3 payers100% up
  60. 100fractalai.net.co/api/x402/signPay-per-Proof: one post-quantum ML-DSA-65 / Dilithium-3 (NIST FIPS 204) signature over your message/hash, x402-native.$0.02 Base297 ms3 payers100% up
  61. 100api.oblique.markets/api/v1/paid/run-pythonUse when an agent needs run python. Returns Runs a short Python program in an isolated sandbox and returns its output: exit code, stdout/stderr (64 KB each), duration, up to 3 artifact files in ./out/, and a receipt. Python 3.12 with the standard library plus numpy, pandas and requests; no network; 512 MB; up to 30 s. Input: code (32 KB), optional stdin, args and up to 4 input files. Free syntax check: POST /api/v1/run-python/validate; worked example: GET /api/v1/run-python/example. $0.05.$0.05 Base52 ms3 payers100% up
  62. 100api.oblique.markets/api/v1/paid/people-enrichUse when an agent needs people enrich. Returns Accountless people enrichment lookup that normalizes supplied name, email, phone, company, profile URL and location signals into structured identity and requested fields; unavailable third-party fields are explicit nulls. $0.28.$0.28 Base29 ms3 payers100% up
  63. 100netintel.dev/weather/forecastMulti-day weather forecast for any city or lat/lon worldwide — up to 16 days of daily highs/lows, precipitation & probability, UV, sunrise/sunset, wind, and plain-language conditions, plus optional next-24h hourly. Give a city name (geocoded) or coordinates. No API key, metric or imperial. Pass params as query (GET) or a JSON body (POST).$0.003 Base187 ms3 payers100% up
  64. 100x402.ottoai.services/form-4-feedLatest insider trades feed across ALL US-listed companies — the 20 most recent SEC Form 4 filings by acceptance time, not one ticker at a time: issuer ticker and name, filer and role, transaction code (P purchase / S sale / A award / M exercise / F tax), shares, price, value and shares held after, with EDGAR links. Refreshed every 15 minutes. Filings with no Table I rows are excluded and counted. Public-domain SEC EDGAR. $0.003 per call.$0.003 Base214 ms3 payers100% up
  65. 100crypto.openverbs.com/v1/trendingTrending crypto by 24h price momentum: the biggest gainers and losers among the top coins by market cap, each with symbol, rank, USD price, 24h change % and market cap. A momentum/discovery signal for agents. Data source: CoinLore.$0.003 Base45 ms3 payers100% up
  66. 100penny402.fun/koanOne koan per paying wallet per UTC day, drawn from that day's pool and keyed to the address that paid: ask twice today and it is identical, ask tomorrow and it is a new one. Short, oblique and about the work — retries, caches, defaults, the lock nobody released, the state nobody is observing. It resolves nothing and advises nothing; that is the form. Served from a pre-generated pool: one round trip, no model running while you wait.$0.0025 Base32 ms3 payers100% up
  67. 100api.oblique.markets/api/v1/paid/token-metricsUse when an agent needs token metrics. Returns Token price and on-chain market metrics from public DeFi data, including chain TVL, DEX volume, fees, yields and protocol context. $0.003.$0.003 Base268 ms3 payers100% up
  68. 100penny402.fun/prophecyA daily prophecy about the x402 economy for the wallet that paid, drawn from that day's pool and keyed to the paying address: ask twice today and it is identical, ask tomorrow and it is new. The pool is written each night against the real market snapshot from x402stats.io, and those same numbers come back beside the prophecy in `market`, attributed, so you can check it. Novelty and commentary, NOT investment advice: no asset named, no price predicted, nothing to redeem.$0.0025 Base23 ms3 payers100% up
  69. 100x402.ottoai.services/form-144-filingsForm 144 filings by ticker — SEC notices of PROPOSED insider sales, filed BEFORE the Form 4 that reports the executed trade: who intends to sell, units, the filer's own market-value estimate, broker, approximate sale date and Rule 10b5-1 plan dates. The earliest public read on insider selling intent; a notice is not a completed trade and may never be executed. Latest 20 notices in a 90-day lookback. Public-domain SEC EDGAR. $0.005 per call.$0.005 Base182 ms3 payers100% up
  70. 100x402.ottoai.services/13d-activist-watchSchedule 13D and 13G activist stake filings by ticker: every beneficial-ownership filing made about a US-listed issuer in the last 365 days, each validated against its own cover page so a company's outbound filings about OTHER companies are excluded. Returns 13D vs 13G counts, amendments, reporting-person names and EDGAR links. 13D is the schedule filed without a passive/qualified certification. Public-domain SEC EDGAR. $0.005 per call.$0.005 Base238 ms3 payers100% up
  71. 100win.oneshotagent.com/v1/tools/local/resolveResolve a local business name + address to its website domain, phone, category, and operating status with a match confidence$0.005 Base111 ms3 payers100% up
  72. 100answerpool.io/v1/sec/xbrl/frameRank every SEC filer on one XBRL metric for one period — top-N values with entity names and the total filer count, from the frames API. Use for whole-market screens without a bulk XBRL pipeline; one MCP incumbent exists for xbrl. Pay per call (x402 USDC or prepaid card credits); no subscription, no API key signup.$0.05 Base201 ms3 payers100% up
  73. 100machineobserver.com/api/x402/historyMachine Observer premium historical snapshots across machine commerce, trust, likeness, API/data, compute, model/tool supply, and developer-adoption signals.$0.001 Base293 ms3 payers100% up
  74. 100penny402.fun/oracleA short, oblique fortune for the wallet that paid — drawn from the day's pool, stable for the whole UTC day, a different one tomorrow. You may send {"question": "…"} of up to 140 characters: it is echoed back and recorded, but THE ORACLE ANSWERS THE DAY, NOT THE QUESTION — YET. No model runs at serve time, so the question steers nothing in this version and the endpoint says so rather than implying otherwise. Nothing staked, nothing to redeem, one round trip.$0.0025 Base94 ms3 payers100% up
  75. 100x402-echo-service.onrender.com/web/searchWeb search for agents. POST a JSON body with a "query" string and an optional "limit" (1-20); returns ranked results, each with a title, url and text snippet. Keyword and semantic matching, no API key required, billed per call: $0.001000 USDC.$0.001 Base79 ms3 payers100% up
  76. 100anomaly.forgemesh.io/api/mempool-anomalyReturns a real-time mempool anomaly score with current gas price vs 20-block median, pending whale swaps, and contract deploy counts. Poll every 5s to monitor mempool for MEV or sandwich attacks and catch gas spikes or large pending swaps as they happen, before they land on-chain.$0.01 Base259 ms3 payers100% up
  77. 100x402.asterpay.io/v2/x402/ai/sentimentAI-powered sentiment analysis. Send text, get sentiment score + emotions. Paid via x402.$0.01 Base114 ms3 payers100% up
  78. 100disruption.forgemesh.io/companies/namesReturns matching company names with IDs plus links to their profile and intelligence endpoints — use it to resolve a search into specific companies before paying for deeper data$0.01 Base265 ms3 payers100% up
  79. 100api.craigmbrown.com/v1/services/oracle.sentiment-analysisBlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base | Social + news sentiment read for a named crypto asset or topic, scored and sourced (not a raw keyword count). Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Same sentiment methodology as research.topic-sentiment-analyzer, scoped to...$0.06 Base222 ms3 payers100% up
  80. 100api.craigmbrown.com/v1/services/oracle.price-feedBlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base | Real-time price feed for a named pair and venue, with the source cited per read instead of a black-box number. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). The base data layer the other oracle.* SKUs (arbitrage, volatility, alert...$0.02 Base65 ms3 payers100% up
  81. 100cloud.trycorpus.ai/v1/term/instancecorpusAI Cloud Pricing: Price ladder for one instance type: spot, on-demand, 1-year and 3-year commitments, with discounts.$0.01 Base192 ms3 payers100% up
  82. 100cloud.trycorpus.ai/v1/spot/snapshotcorpusAI Cloud Pricing: Current price of every instance type, zone and product in a whole region, in one call.$0.10 Base138 ms3 payers100% up
  83. 100cloud.trycorpus.ai/v1/capacity/boardEvery GPU model's capacity stress score for one day, tightest first.$0.10 Base271 ms3 payers100% up
  84. 100cloud.trycorpus.ai/v1/spot/monthlycorpusAI Cloud Pricing: Full monthly history for one instance type, back to 2014 for legacy AWS types.$0.05 Base215 ms3 payers100% up
  85. 100cloud.trycorpus.ai/v1/spot/snapshot/allcorpusAI Cloud Pricing: Current spot price of every type and zone in every region of a provider, in one call.$1.00 Base211 ms3 payers100% up
  86. 100cloud.trycorpus.ai/v1/reserved/snapshotcorpusAI Cloud Pricing: Current reserved effective hourly price of every instance type and ri_type in a region (AWS or Azure).$0.10 Base197 ms3 payers100% up
  87. 100cloud.trycorpus.ai/v1/gpu/indexcorpusAI Cloud Pricing: Daily USD per GPU-hour index per provider and market for one GPU model, with hyperscaler spot legs.$0.05 Base274 ms3 payers100% up
  88. 100cloud.trycorpus.ai/v1/termTerm structure per hyperscaler for one GPU model, USD per GPU-hour: spot, on-demand, 1y, 3y.$0.05 Base226 ms3 payers100% up
  89. 100x402.twit.sh/lists/followersRetrieves a list of Users who follow a specific Twitter/X List by its ID. Returns up to 20 user profiles per page with pagination support. Query params: id (string, required) - numeric List ID; next_token (string, optional) - pagination cursor, e.g. GET /lists/followers?id=84839422. Returns X v2 API-compatible JSON.$0.01 Base159 ms3 payers100% up
  90. 100x402.twit.sh/communities/postsGet latest posts from a community$0.01 Base170 ms3 payers100% up
  91. 100cloud.trycorpus.ai/v1/spot/export/historycorpusAI Cloud Pricing: Legacy daily and monthly history of every type in a region as one gzip TSV file.$3.00 Base168 ms3 payers100% up
  92. 100cloud.trycorpus.ai/v1/azure/evictioncorpusAI Cloud Pricing: Azure spot eviction-rate history (28-day buckets, sampled daily).$0.01 Base172 ms3 payers100% up
  93. 100cloud.trycorpus.ai/v1/index/historycorpusAI Cloud Pricing: Daily fixings for a ticker over a date range.$0.05 Base132 ms3 payers100% up
  94. 100sanctions.nsgoods.org/screen-multiSigned multi-list sanctions screening (OFAC+UN+EU+HMT; USDC on Base or Solana). Free preview: GET /screen-multi/preview$0.01 Solana296 ms3 payers100% up
  95. 100cloud.trycorpus.ai/v1/spot/export/eventsEvery raw spot price-change event of a region for one UTC day, as a gzip TSV file.$0.50 Base134 ms3 payers100% up
  96. 100cloud.trycorpus.ai/v1/ondemandOn-demand list-price history of one instance type.$0.01 Base102 ms3 payers100% up
  97. 100agentdata-api.sander-van-aard.workers.dev/cz/companyOfficial Czech company check from the ARES register (Ministry of Finance, open data). Look up by ICO (exact) or search by name (up to 5 candidates). Returns official name, legal form code, VAT number (DIC), establishment and termination dates, registered address and NACE activity codes, with a direct ARES link. Companies only.$0.01 Base24 ms3 payers100% up
  98. 100datastand.dev/api/data/npm-vuln-digestThe newest npm security advisories as machine-readable JSON: severity, CVSS score and vector, CWEs, affected packages, vulnerable ranges and first patched version. Merged from two GitHub Advisory Database orderings, most recently published and most recently revised, so a newly assigned CVSS or a widened vulnerable range reaches you even when the advisory is months old. Add ?since=<ISO-8601> for only what changed; an empty delta is refused free, so polling costs nothing until there is news.$0.02 Base283 ms3 payers100% up
  99. 100agenttoll.app/api/feargreedCrypto market sentiment check: the Fear and Greed index with yesterday's value; ?days=7 adds a daily history so you can see whether sentiment is turning$0.001 Base139 ms3 payers100% up
  100. 100win.oneshotagent.com/v1/tools/researchDeep web research on any topic$0.01 Base86 ms3 payers100% up