x402watch

53,742 paid endpoints are listed. 25,811 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 2026-10-07 06:24 UTC · 53,742 probed

25,811 answering 40222,423 down4,640 rejecting868 no paywall1,848 price drift
  1. 91api.vextorium.com/sol-token-pagoSolana SPL token profile and risk signals: supply, decimals, mint and freeze authorities (can the issuer mint more or freeze accounts?) and Token-2022 extensions.$0.005 Base359 ms3 payers93% up
  2. 91api.vextorium.com/pool-uniswap-pagoUniswap v3 pool state on Base for a token pair: pool address per fee tier, spot price, tick, active liquidity and token reserves.$0.006 Base304 ms3 payers93% up
  3. 91scry.solanahub.de/x402/wallet/:address/lineage$0.03 Solana721 ms3 payers100% up
  4. 91x402toll.com/v1/commerce/tip-splitTip amount, total, and per-person split for a restaurant bill.$0.01 Base376 ms3 payers93% up
  5. 91kronossignals.com/api/v1/signals/solReal-time crypto derivatives signals for BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT/HYPE-USD: perpetual futures funding rate (raw + annualized), next_funding_time, funding_interval_hours, open interest and 1h change, basis (perp vs index), funding-rate trend. Live data from OKX perpetuals via Kronos market_signals. Pay-per-call via x402.$0.02 Base509 ms2 payers93% up
  6. 91payload402.edgebytenet.workers.dev/license/checknpm license triage for coding agents — call immediately before npm install, yarn add, or pnpm add. Returns npm-declared license, SPDX id, and permissive-default compatible (yes | no | unknown) so the agent can proceed, swap package, or escalate. Not SBOM, not legal advice. Try GET /license/check/preview free, then pay for production checks.$0.001 Base839 ms2 payers93% up
  7. 91tools.ipintel.ai/json-schema-validatorJSON Schema Validator API. Validate JSON data against a JSON Schema and receive structured valid/invalid results with detailed validation errors. Supports common JSON Schema features including type, required, properties, additionalProperties, enum, const, items, string lengths, patterns, and numeric bounds. Useful for agents, developers, API testing, structured output validation, schema checks, and automation workflows. Paid per call via x402.$0.001 Base391 ms2 payers93% up
  8. 91app.tenna.ai/api/x402/tenna/meme_launch_ddToken Launch Evidence Report. Evidence-based due diligence for one Robinhood Chain meme launch. Returns the deployer's prior launch outcomes, launch-family base rates, observed sell execution, launch path, provenance, and one of five evidence states. Complements contract scanners; third-party fields are quoted with attribution. Historical analysis only; not a forecast or safety certificate.$0.01 Base716 ms2 payers93% up
  9. 91toolcall.click/t/chem/safetyFull safety profile for any chemical by CAS number or name: GHS hazard classification (signal word, pictograms, H-statements, P-codes), first-aid measures for inhalation/skin/eye/ingestion, fire-fighting guidance, UN transport number, PPE, and CAMEO reactivity profile. Sourced live from PubChem (NIH) authoritative annotations. JSON response. $0.03 USDC per call, pay via x402, no API key.$0.03 Base336 ms2 payers93% up
  10. 91api.brazilayer.com/v1/tributos/buscaSearch Brazil's tax reform annexes by product or service description and get every entry that grants a reduced or zero IBS/CBS rate, with the NCM codes cited, the annex, the item and the literal legal wording. Answers 'does what I sell get a tax break under the new Brazilian VAT?' without reading 900,000 characters of law. Free sample, no payment: https://api.brazilayer.com/v1/tributos/amostra$0.005 Base586 ms2 payers93% up
  11. 91toolcall.click/t/news/searchRecent news headlines for any company, topic or query: deduplicated titles with source, link and publish date from a broad news index. Window configurable 1-30 days. JSON response. $0.01 USDC per call, pay via x402, no API key.$0.01 Base947 ms2 payers93% up
  12. 91vibesprings.net/api/mock/social/streamDeterministic scenario stream generator for AI trading agent stress-testing. Simulates chronological event ticks (hype cycle, FUD cascade, etc.) with progressive step values.$0.01 Base432 ms2 payers93% up
  13. 91toolcall.click/t/youtube/transcriptFull plain-text transcript of a YouTube video, de-duplicated and cleaned from the captions. Accepts a video id or URL. Ideal for feeding video content to LLMs. JSON response. $0.01 USDC per call, pay via x402, no API key.$0.01 Base412 ms2 payers93% up
  14. 91toolcall.click/t/package/checkIs this dependency safe to use? Pass a package name (npm, PyPI, Go, Maven, crates.io, RubyGems, NuGet) and optional version: returns known vulnerabilities (OSV/CVE with CVSS and fixed-in version), deprecation status, license, latest version, repo health (stars, OpenSSF Scorecard) and an overall ok/caution/avoid verdict. JSON response. $0.01 USDC per call, pay via x402, no API key.$0.01 Base676 ms2 payers93% up
  15. 91store.agentexchange.work/chain/ensResolve ENS in either direction on Ethereum: an ENS name (vitalik.eth) → its 0x address, or a 0x address → its primary ENS name (plus avatar when set). The identity read wallet, payment, and UX agents make to verify who they're sending to or to show a human-readable name instead of a raw hex address. Free upstream (Blockscout ENS / live registry); one paid call instead of running your own resolver.$0.005 Base989 ms2 payers93% up
  16. 91api.truthbear.co/mcp/server[SIGNAL+PROOF] Census record for one MCP server (?name=): status, missing_streak, lifecycle, record_hash. DEGRADED DELIVERY, see unavailable_fields - prominence, maturity, github_stars, downloads and source_code_url have no data because the original collector stopped. Snapshot 2026-07-08. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.01 per call.$0.01 Base637 ms2 payers93% up
  17. 91api.truthbear.co/trust/graveyard[BATCH+PROOF] x402 service graveyard - services that vanished from the census. THRESHOLD stated plainly: listed on FIRST confirmed absence (confirm_absences=1), NOT multi-day confirmation - only two snapshot days exist, which cannot support a streak test. Rows are hash-backed and recompute offline with ?verifiable=1; record_hash_verifiable reports the exact count per response. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.09 per call.$0.09 Base632 ms2 payers93% up
  18. 91api.truthbear.co/trust/scorecard[BATCH+PROOF] Full x402 service demand roster, latest day: demand_class, calls_30d, unique_payers_30d, score_total, liveness_state, lifecycle, record_hash per service. Model demand-v1, refreshed daily from the public CDP catalogue; unique_payers_30d is a lower bound, never a sum. DEGRADED DELIVERY, see unavailable_fields - the five-axis sub-scores, action_hint, tier and verified are empty. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.09 per call.$0.09 Base632 ms2 payers93% up
  19. 91cryptyx.ai/api/v1/ai/market-briefSingle-call LLM grounding bundle — top 10 and bottom 5 composite-ranked assets, all signals triggered today, 30-day factor breadth across 8 classes, plus a ready-to-drop plaintext brief for an agent prompt. Runs across 200+ digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.01 Base352 ms2 payers93% up
  20. 91cryptyx.ai/api/market-pulse/divergencesUniverse-aggregate cross-factor divergence alerts — Ignition (TR+VOL extreme), Capitulation (FLOW+TR collapse), and Distribution (outflows with trend). Severity-ranked by horizon for top-down scanning. Runs across 200+ digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.01 Base496 ms2 payers93% up
  21. 91cryptyx.ai/api/signals/recentRecently triggered atomic signal events (up to 50, last 1-7 days). Per event: asset, signal_id, confidence, asof_day. Change-detection digest for monitoring. Response carries a _next block with explain / catalog / top / thesis / trade-ideas so an agent can pivot from event stream to per-event drill-down or asset thesis in one hop. Runs across 200+ digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.01 Base523 ms2 payers93% up
  22. 91vaaya.ai/api/run/openrouter/chatOpenRouter — one endpoint for 100+ LLMs, keyless pay-per-call (price varies by model + tokens). Params: `model` (vendor/model id like openai/gpt-4o), `messages`.$1.00 Base349 ms2 payers93% up
  23. 91402.com.tr/api/x402/safe-to-send🆕 Before your agent sends, approves or signs to an address: one GO/REVIEW/STOP verdict. Screens OFAC sanctions, Coinbase/Basename identity, wallet vs contract, how long the address has existed, and whether contract logic can be swapped AFTER you send. Every factor returns what it found and what it could not read — a check that did not run never reads as clean, so GO means everything material was actually screened. Not financial advice.$0.01 Base635 ms2 payers93% up
  24. 91lion-x402.lionmaster-operations.workers.dev/api/x402/poi-business-search-jsonPoint of interest / business search (keyless, OSM)$0.01 Base709 ms2 payers93% up
  25. 91402.com.tr/api/x402/upc-lookupValidate UPC/EAN/GTIN checksum offline, then look up the barcode on Open Food Facts when it is a food/consumer item. Non-food codes often checksum-ok with no product match.$0.01 Base744 ms2 payers93% up
  26. 91sandboxd-code-run.saastemly.com/v1/execute-commandRuns a shell command in an isolated one-shot sandbox and returns stdout, stderr and the exit code (Daytona ExecuteRequest/ExecuteResponse compatible)$0.002 Base898 ms2 payers94% up
  27. 91flat-rate-llm.kikoribera03.workers.dev/v1/random/pickPick one or more items at random from a list you send, with or without repeats. The list is yours, so this is the unbiased chooser an agent needs when it has options and no reason to prefer any.$0.005 Base328 ms2 payers93% up
  28. 91flat-rate-llm.kikoribera03.workers.dev/v1/util/hexConverts between hex, decimal and UTF-8 text in one call, with big integers handled exactly. For reading raw RPC output, which comes back as hex and overflows a JavaScript number.$0.005 Base323 ms2 payers93% up
  29. 91flat-rate-llm.kikoribera03.workers.dev/v1/random/passwordGenerate strong random secrets from the platform CSPRNG, with the entropy in bits so you can judge them. Four alphabets, including one with no look-alike characters for anything a human has to read back.$0.005 Base366 ms2 payers93% up
  30. 91evidence.api.williamrobinson.dev/v1/web/evidenceRetrieve deterministic evidence from a public HTTPS page$0.01 Base595 ms2 payers93% up
  31. 91api.agentmercantile.com/v1/x402-service-change-snapshotDetermine whether a previously accepted x402 service payment contract is still equivalent enough to proceed. Compares one live unpaid 402 challenge, using a caller-supplied GET or POST request shape, against a caller-held baseline bound to that request identity. Not uptime monitoring, a trust score, a webhook, a marketplace crawl, or a generic POST {} probe of every x402 resource.$0.01 Base675 ms2 payers93% up
  32. 91api.agentmercantile.com/v1/x402-presign-handoffProduce a normalized pre-sign evidence packet for one unpaid x402 v2 exact Base USDC EIP-3009 requirement: request identity, selected requirement including asset transfer method, public payer coverage, caller ceiling, optional baseline evidence, and an integrity digest. Non-eip3009 or incomplete transfer methods fail closed. Does not sign, pay, construct a transaction, read payment-authority allowances, or recommend whether to buy.$0.01 Base670 ms2 payers93% up
  33. 91api.agentmercantile.com/v1/bazaar-visibilityObserve whether one x402 seller resource appears in Coinbase Bazaar merchant discovery and where the exact resource sits in the first 20 results for 1–3 buyer-supplied job-language searches. Factual evidence only. Call when you need a point-in-time Bazaar presence and top-20 search observation, not a trust, SEO, or remediation score.$0.01 Base605 ms2 payers93% up
  34. 91oraclepost.higgsfield.app/api/priceLive Chainlink price feed on Base, read from the oracle contract at request time: price, round id, last update and feed address. Pairs: ETH-USD, BTC-USD, SOL-USD, LINK-USD, CBETH-USD, AERO-USD, USDC-USD, EUR-USD. Pass ?pair=ETH-USD (default ETH-USD). No third-party API, no cache.$0.001 Base844 ms2 payers93% up
  35. 91api.vextorium.com/validar-iban-pagoIBAN validation (ISO 13616 mod-97 and per-country length, SEPA membership; for Spain also the national CCC check digits and bank name). Computed locally, IBAN is not stored.$0.003 Base529 ms2 payers93% up
  36. 91api.vextorium.com/gas-red-pagoLive gas price on Base or Ethereum (gwei, base fee, priority fee) plus estimated USD cost of an ETH transfer, an ERC-20 transfer and a DEX swap, including Base L1 data fee. Priced with the Chainlink ETH/USD oracle.$0.003 Base603 ms2 payers93% up
  37. 91api.vextorium.com/divisas-bce-pagoOfficial European Central Bank euro reference exchange rates (about 30 currencies) and currency conversion between any two of them, with reference date.$0.003 Base625 ms2 payers93% up
  38. 91api.vextorium.com/validar-nif-pagoSpanish tax ID validation (DNI/NIF, NIE and company CIF) with check-digit verification. Computed locally; the ID is not stored.$0.003 Base396 ms2 payers93% up
  39. 91api.vextorium.com/validar-bic-pagoBIC/SWIFT code validation and parsing: bank, country, location and branch codes, test-code flag.$0.003 Base461 ms2 payers93% up
  40. 91api.vextorium.com/horario-eeuu-pagoUS stock market clock (NYSE/Nasdaq): open, closed, pre-market or after-hours now (or at a given time), holiday reason, early closes, next open/close and upcoming holidays. Key for 24/7 tokenized stocks.$0.003 Base521 ms2 payers93% up
  41. 91api.vextorium.com/horario-bolsas-pagoWorld stock exchanges clock: status (open, closed, lunch break), local time, today's session and next open for NYSE, Toronto, London, Euronext, Xetra, Madrid, Zurich, Tokyo, Hong Kong, Shanghai, India and Sydney.$0.003 Base490 ms2 payers93% up
  42. 91api.vextorium.com/dias-habiles-pagoSpanish business-day calculator: count business days between dates or add N business days, using Spain's national public holidays.$0.003 Base397 ms2 payers93% up
  43. 91api.vextorium.com/ens-pagoENS resolution on Ethereum: name to address (vitalik.eth -> 0x...) or address to primary name, with round-trip verification of reverse records.$0.004 Base303 ms2 payers93% up
  44. 91x402.hydratrader.ai/v1/summarizeSummarize text: Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task=summarize when body.task omitted. Cheap agent glue for buyer-supplied text. Base via x402. No API key.$0.01 Base716 ms2 payers93% up
  45. 91api.vextorium.com/sol-tx-pagoSolana transaction status by signature: confirmed / failed / processing, slot, time, fee in SOL, signers, programs invoked and token balance changes.$0.003 Base349 ms2 payers93% up
  46. 91api.vextorium.com/sol-cuenta-pagoSolana account inspector: whether it exists, type (wallet, token account, mint, program, program data), SOL balance, owner program and data size.$0.003 Base307 ms2 payers93% up
  47. 91api.vextorium.com/evm-utilidades-pagoEVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.$0.003 Base420 ms2 payers93% up
  48. 91api.vextorium.com/bloque-info-pagoLatest block on an EVM chain: number, hash, time, age in seconds, transaction count, gas used % and base fee.$0.003 Base383 ms2 payers93% up
  49. 91api.vextorium.com/bce-historico-pagoHistorical ECB euro reference exchange rate for any date since 1999 and conversion between any two published currencies.$0.003 Base409 ms2 payers93% up
  50. 91ticks.bnm.farm/ticksCall GET /ticks when you need the current official USDA farm market prices (hay, cattle, grain, dairy, hogs, produce, eggs, cold storage, poultry, cotton, grocery retail, grass-fed DTC). $0.05 = entire current table.$0.05 Base714 ms2 payers93% up
  51. 91x402.dellbot.win/chatMid-tier OpenAI-compatible chat completion. Qwen3 235B (instruct/thinking/VL/next), DeepSeek V3.2, GLM 5.2, venice-uncensored 1.2, GLM 4.6/4.7, Kimi K2.5, MiniMax M3 Preview, Nemotron 3 Ultra 550B, DeepSeek V4.1 Flash, Gemma 4 26B. Supports tools/tool_choice and stream:true SSE.$0.003 Base994 ms2 payers93% up
  52. 91scry.solanahub.de/x402/wallet/:address/bundler-check$0.01 Solana487 ms2 payers100% up
  53. 91numtheory.openverbs.com/v1/lcmLeast common multiple of two or more positive integers (arbitrary precision).$0.004 Base276 ms2 payers90% up
  54. 91agents.daedalusdevelopmentgroup.com/v1/prompt-injection-scanDDG agent-payable service request$0.01 Base776 ms2 payers93% up
  55. 91agents.daedalusdevelopmentgroup.com/v1/production-security-auditDDG agent-payable service request$0.01 Base589 ms2 payers93% up
  56. 91agents.daedalusdevelopmentgroup.com/v1/wake/scheduleDDG agent-payable service request$0.01 Base472 ms2 payers93% up
  57. 91agents.daedalusdevelopmentgroup.com/v1/python-dependency-risk-scanDDG agent-payable service request$0.01 Base712 ms2 payers93% up
  58. 91agents.daedalusdevelopmentgroup.com/v1/inbox/registerDDG agent-payable service request$0.01 Base442 ms2 payers93% up
  59. 91agents.daedalusdevelopmentgroup.com/v1/image-generationDDG agent-payable service request$0.01 Base400 ms2 payers93% up
  60. 91agents.daedalusdevelopmentgroup.com/v1/page-packDDG agent-payable service request$0.01 Base479 ms2 payers93% up
  61. 91asistent-crypto.vercel.app/api/x402/data/market-historyWhether the current reading is actually high or low, from a series captured every ~10 minutes: funding, open interest, Fear & Greed and BTC dominance, each as current, median, min, max and percentile over the window. A funding rate of 0.006% means nothing on its own; at the 89th percentile of the last 24 hours it means something. This is the question a snapshot endpoint cannot answer, whoever you buy it from.$0.02 Base496 ms2 payers93% up
  62. 91asistent-crypto.vercel.app/api/x402/data/implied-volatilityWhat the options market expects price to do, not what leverage is doing: the 30-day implied volatility index for BTC and ETH, with its percentile over the last month and the expected move in percent over 1, 7 and 30 days. Funding tells you who is crowded; this tells you how much movement is already priced in — and whether hedging is cheap or expensive relative to where it has been.$0.02 Base451 ms2 payers93% up
  63. 91asistent-crypto.vercel.app/api/x402/data/briefThe answer, not the inputs. One call returns a stance for the coin — risk-on, risk-off, fragile or neutral — built from funding and open interest percentiles, sentiment, options implied volatility, the macro regime and what it costs to execute at your size. Every driver comes back with its number and its reading, plus the conditions that would invalidate the call. The rules are deterministic: the same market gives the same verdict.$0.05 Base426 ms2 payers93% up
  64. 91market.datapackvibe.com/x402/game-item-descriptionsGame item description writer: Create concise inventory copy with function, flavour, and clear constraints.$0.02 Base307 ms2 payers93% up
  65. 91market.datapackvibe.com/x402/agenda-classroomClassroom Meeting agenda builder: Allocate a meeting duration across supplied topics. Tailored for classroom workflows.$0.01 Base221 ms2 payers84% up
  66. 91api.locus.report/api/locus-governing-districtsUS congressional, state senate, and state house districts for an address, for agents asking who represents a location, from Census TIGERweb. Returns the same records as locus_governing_districts. Use this when your client can only call paid x402 routes. Use locus_governing_districts instead when you can call Locus free tools (REST tools/call or MCP).$0.01 Base892 ms2 payers93% up
  67. 91agentbit.app/v1/hash/sha512Compute the SHA-512 hash (hex digest) of an input string. Deterministic cryptographic hashing for checksums and fingerprints.$0.0015 Base500 ms2 payers93% up
  68. 91gpt.558686.xyz/v1/x402-ping$0.002 Base931 ms2 payers100% up
  69. 91wailand.tailf99551.ts.net/v1/opportunitiesCall this when an agent needs currently-open EU or German/Austrian public funding calls for a company or project — e.g. to shortlist grants a startup could apply for, or to check what is open in a sector before drafting a proposal. Returns up to 50 normalized EU+DACH funding-opportunity records, refreshed daily. Filters: source, geography, equity_free, consortium_required, deadline_after, deadline_before, open_only.$0.015 Base982 ms1 payers93% up
  70. 91mudko.com/api/x402/purchaseBuy the agent-readiness package for a website: we generate and deliver the full agent-callable surface (agent-card, MCP server-card, agent-skills, WebMCP bridge, OAuth discovery, robots.txt-for-AI, llms.txt, DNS-AID guide) in both human-readable and machine-readable form. Pay USDC on Base and receive a bundle_key that unlocks the deliverables immediately — no human, no card. Flat $450 one-time (optional custom tools we build are +$150 each). No wallet? Same close by card: call the MCP tool request_invoice at https://mudko.com/api/mcp for a hosted Stripe invoice (card/Link/bank).$450.00 Base759 ms1 payers93% up
  71. 91vibesprings.net/api/watch/check-batchCheck a batch of up to 5 watches concurrently, returning inline results for each ID.$0.02 Base411 ms1 payers93% up
  72. 91lionx402.com/api/x402/location-solar-enrichment-jsonLocation + solar PV potential for sites/properties (?address= or ?lat=&lon=)$0.02 Base391 ms1 payers93% up
  73. 91agent.massive.com/v2/snapshot/locale/us/markets/stocks/:directionThe current top 20 gainers or losers of the day, ranked by percentage price change since the previous close. Only includes tickers with volume of 10,000 or more. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base51 ms1 payers90% up
  74. 91search.openverbs.com/v1/webWeb search API - live Google (default) or Bing SERP for a query: search engine results returned as ranked organic hits with title, URL, domain and snippet, localised by location and language. A google search api / serp api for agents: search the web, live web search for grounding, RAG and web lookup.$0.01 Base400 ms1 payers93% up
  75. 91api.agentmercantile.com/v1/bazaar-visibility-changeCompare one x402 resource's Coinbase Bazaar discovery visibility with a caller-held baseline: merchant presence, discovery metadata, schema metadata, visible payment fields, and top-20 position for 1–3 buyer queries. Not a VM05 replacement, direct payment-contract probe, global rank, or remediation advice.$0.005 Base780 ms1 payers93% up
  76. 91sandboxd-code-run.saastemly.com/v1/execute-codeRuns Python, JavaScript or TypeScript code in an isolated one-shot sandbox and returns stdout, stderr, exit code and artifacts (Daytona CodeRunRequest/ExecuteResponse compatible)$0.002 Base938 ms1 payers94% up
  77. 91fachada.chelsea-hermes.workers.dev/trip/v1/planResearches a destination and returns one ready JSON plan from free, no-key sources: the geocoded place, up to 16 days of weather, the driving route and distance from your origin, and what is around (hotels, food, transport, ATMs, payment spots, crypto). Call it when you need current ground truth about somewhere you are about to travel, instead of guessing. Sources: OpenStreetMap, Overpass, Open-Meteo and OSRM. Rule-based, no LLM.$3.00 Base827 ms1 payers93% up
  78. 91fachada.chelsea-hermes.workers.dev/scan/v1/code/scanStatic security scan of a code snippet. Finds hardcoded secrets (AWS keys, private keys, API keys, DB connection strings with passwords), eval/exec, command injection, HTTP calls with no timeout, weak hashes (md5/sha1), bare except and unverified JWT. Returns one entry per finding with rule, severity, exact line number, the offending line and a suggested fix. Rule-based and deterministic: no LLM, so the same snippet always returns the same findings. Send Python or JavaScript as plain text. Not a$1.00 Base814 ms1 payers93% up
  79. 91wailand.tailf99551.ts.net/v1/disaster-changesCall this when an agent tracks GDACS disasters (see /v1/disaster-events) and needs what changed since a date: alert-level moves, is_current flips with how long the previous state held, and events entering or leaving Orange/Red scope, each dated to the daily snapshot that first showed it. GDACS publishes episode lists free but never when anything changed; these dates are ours, from 2026-08-25. Orange/Red only. Not for life-safety. Filters: since (required), until, kind, event_type.$0.005 Base457 ms1 payers93% up
  80. 91pyfile-agent.taile3ff35.ts.net:10000/secret/putStore a secret (credential, token, key) for later retrieval — encrypted at rest (AES-256-GCM). Returns an id + access token; fetch later by id+token. Max 16KB. For agent state that must survive across runs.$0.002 Base275 ms1 payers90% up
  81. 91i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/website-change-monitorFetch a public webpage, normalize its readable text, and report whether it changed against a caller-supplied baseline.$0.03 Base585 ms1 payers93% up
  82. 91i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/document-table-extractorExtract Markdown, CSV, and plain-text tables into clean structured rows for agents and business workflows.$0.15 Base410 ms1 payers93% up
  83. 91i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/code-diff-verifierReview a source-code diff for likely bugs, missing tests, compatibility problems, unsafe migrations, and security-relevant mistakes. Returns structured findings with file/line evidence and confidence.$0.25 Base303 ms1 payers93% up
  84. 91i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/url-to-agent-markdownFetch a public webpage and return compact agent-ready Markdown, canonical metadata, tables, and important links while removing navigation, scripts, cookie UI, and layout clutter.$0.01 Base305 ms1 payers93% up
  85. 91scopeapi.dev/website-researchResearch and analyze a website or business website using public web evidence. Returns website analysis covering offerings, positioning, pricing, trust signals, competitors, recent mentions, and cited sources.$0.03 Base497 ms1 payers93% up
  86. 91scopeapi.dev/company-researchResearch a company and return company intelligence using current public sources. Covers business facts, products, competitors, competitor analysis, recent developments, risks, positioning, and citations.$0.04 Base470 ms1 payers93% up
  87. 91print.api.williamrobinson.dev/v1/print/validateRender a self-contained OpenSCAD model and perform bounded slicer checks$0.05 Base542 ms1 payers93% up
  88. 91wailand.tailf99551.ts.net/v1/opportunity-changesCall this when an agent holds EU/DACH funding calls (see /v1/opportunities) and needs what changed since a date: new calls, deadline moves with extraction basis, amount or title edits, and deadline-crossed closures, each dated to the daily snapshot that first showed it. Call /count (free) first: ftop_sedia changes most days, each DACH source about weekly. Own archive since 2026-05; field changes from 2026-08-24; DACH limited to crawled pages. Filters: since (required), until, source, kind.$0.02 Base574 ms1 payers93% up
  89. 91scry.solanahub.de/x402/wallet/:address/pnl$0.008 Solana554 ms1 payers100% up
  90. 91cryptyx.ai/api/asset/peer-clusterNearest k peers for one asset in CRYPTYX's 8-class factor space at the requested horizon. Returns target asset metrics plus peers ranked by Euclidean distance with divergence stats. Hedge selection and basket construction. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).$0.05 Base631 ms1 payers93% up
  91. 91cryptyx.ai/api/signals/composite/backtestWalk-forward backtest of a custom 8-class composite weight vector at 7d/14d/30d. Runs custom, IC-weighted default, and equal-weight blends in parallel with full performance breakdowns. Benchmark your blend against the production moat. Runs across 200+ digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.05 Base363 ms1 payers93% up
  92. 91cryptyx.ai/api/signals/leaderboardSignal activity leaderboard over 7-365 days — per-signal trigger frequency, average confidence, assets triggered, and a per-horizon walk-forward IC/reliability block. Frequency and robustness in one pass. Runs across 200+ digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.01 Base502 ms1 payers93% up
  93. 91cryptyx.ai/api/signals/explainFactor t-score breakdown for one (asset, day) — per-class scores across the 8 factor classes plus the weighted composite. Inspect which factor classes drove the call. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).$0.01 Base318 ms1 payers93% up
  94. 91hubvibe-io.com/work/opendata/searchFind structured government datasets across Asia-Pacific open-data portals in one call: data.gov.au (Australia), the e-Gov Data Portal and the Tokyo catalog (Japan), DATA.GOV.HK (Hong Kong). Query in any language, the portal's own included; every match comes back with its organization, licence, update time and the download URLs of its CSV/JSON/XLS resources, ready for fetch.raw. Portals that did not answer are listed, never hidden. Input: query; optional region (au, jp, hk, all), limit, portals.$0.10 Base302 ms1 payers93% up
  95. 91signalharness.ai/api/agent/services/robots_policy_parse/invokeParses robots.txt groups and applies deterministic longest-match allow and disallow semantics.$0.005 Base790 ms1 payers93% up
  96. 91402.com.tr/api/x402/exa-searchExa's neural web search, resold per call — no Exa account, no subscription, one USDC micro-payment. Pass query= and get ranked results: title, URL, publish date, author, relevance score. numResults=1..10 (default 5). type=auto|fast|instant. includeDomains= restricts the search. Add text=1 for matched highlights from each page (caps results at 5, priced $0.03; the 402 challenge quotes it). For agents that need what the web says today, not what a training cutoff remembers.$0.01 Base814 ms1 payers93% up
  97. 91402.com.tr/api/x402/tx-decodeProvide a Base transaction hash and get a structured summary: from/to, ETH value, status, gas used, block, method selector, and nonce — straight from Base RPC.$0.02 Base733 ms1 payers93% up
  98. 91402.com.tr/api/x402/b20-stablecoin🆕 B20 Stablecoin tokens self-declare a fiat currency code (currency() → USD, EUR, …). Reads that declared peg alongside the issuance profile (supply, cap) and control powers (seize/freeze/pause/uncapped-mint) — a one-call 'what is this stablecoin and who controls it' for agents settling in B20 stablecoins. The currency code is the issuer's claim, not attested backing.$0.03 Base830 ms1 payers93% up
  99. 91402.com.tr/api/x402/b20-announcements🆕 B20 Asset tokens can post on-chain announcements (Announcement: id, description, uri) — issuer notices, corporate actions, redemptions — a channel ERC-20 has no equivalent for. Reads a token's announcement feed (active vs ended) from CDP-indexed events. The issuer-communications primitive for agents holding tokenized/RWA B20 assets.$0.03 Base722 ms1 payers93% up
  100. 91402.com.tr/api/x402/b20-guardThe live layer over B20 Policy Watch: a network-wide onchain webhook captures every B20 PolicyUpdated/Paused sub-second. Pass a token address for its live guard status, or call with no address for the feed of tokens that JUST attached a sender blocklist (turned seizable) across all of Base.$0.05 Base735 ms1 payers93% up