x402watch

53,495 paid endpoints are listed. 29,803 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 2026-10-06 00:30 UTC · 53,495 probed

29,803 answering 40217,751 down5,099 rejecting842 no paywall1,877 price drift
  1. 89market.datapackvibe.com/x402/validate-records-operationsOperations Required-field checker: Check each record for a supplied set of required fields. Tailored for operations workflows.$0.01 Base159 ms1 payers82% up
  2. 89market.datapackvibe.com/x402/compare-lists-inventoryInventory List difference checker: Compare two lists and return unique and shared values. Tailored for inventory workflows.$0.01 Base153 ms1 payers82% up
  3. 89market.datapackvibe.com/x402/product-copy-recruitingRecruiting Product description formatter: Format product features into concise product copy. Tailored for recruiting workflows.$0.01 Base161 ms1 payers82% up
  4. 89market.datapackvibe.com/x402/sort-lines-workplaceWorkplace Alphabetical line sorter: Sort supplied lines alphabetically. Tailored for workplace workflows.$0.01 Base161 ms1 payers82% up
  5. 89market.datapackvibe.com/x402/sort-lines-nonprofitNonprofit Alphabetical line sorter: Sort supplied lines alphabetically. Tailored for nonprofit workflows.$0.01 Base158 ms1 payers82% up
  6. 89market.datapackvibe.com/x402/sort-lines-recruitingRecruiting Alphabetical line sorter: Sort supplied lines alphabetically. Tailored for recruiting workflows.$0.01 Base158 ms1 payers82% up
  7. 89market.datapackvibe.com/x402/sort-lines-customer-supportCustomer support Alphabetical line sorter: Sort supplied lines alphabetically. Tailored for customer support workflows.$0.01 Base157 ms1 payers82% up
  8. 89market.datapackvibe.com/x402/slug-customer-supportCustomer support URL-safe slug maker: Convert a title into a lowercase URL slug. Tailored for customer support workflows.$0.01 Base162 ms1 payers82% up
  9. 89market.datapackvibe.com/x402/word-count-nonprofitNonprofit Text length and word counter: Count words and characters in supplied text. Tailored for nonprofit workflows.$0.01 Base172 ms1 payers82% up
  10. 89market.datapackvibe.com/x402/word-count-recruitingRecruiting Text length and word counter: Count words and characters in supplied text. Tailored for recruiting workflows.$0.01 Base164 ms1 payers82% up
  11. 89market.datapackvibe.com/x402/word-count-customer-supportCustomer support Text length and word counter: Count words and characters in supplied text. Tailored for customer support workflows.$0.01 Base166 ms1 payers82% up
  12. 89api.jarvisclaw.ai/v1/marketplace/api/1286Defi Protocols$0.0115 Base616 ms1 payers100% up
  13. 89pay.snowsignals.io/phase/updatesSnowSignals phase updates — pay-per-row market-phase reading$0.2083 Base666 ms1 payers100% up
  14. 89pay.snowsignals.io/phase/boundarySnowSignals phase boundary — pay-per-row market-phase reading$0.2083 Base653 ms1 payers100% up
  15. 89scrooge-x402-tool-mill.vercel.app/v1/batch-metaBatch page-meta for 1–10 public URLs in one payment. POST JSON {"urls":["https://example.com"]}. Returns {results:[{url,ok:true,meta}|{url,ok:false,error}]}. Each meta has title, description, canonical, ogImage, language, and a ~500-character excerpt. One URL failing does not fail the batch. $0.15 USDC on Base (eip155:8453). No API key.$0.15 Basedown1 payers90% up
  16. 89scrooge-x402-tool-mill.vercel.app/v1/change-fingerprintFingerprint a public page so agents can detect changes: final url, etag, lastModified, sha256 contentHash of normalized visible text, raw byteLength, and fetchedAt. POST JSON {"url":"https://example.com"}. Public http(s) only; private hosts blocked. $0.04 USDC on Base (eip155:8453). No API key.$0.04 Base543 ms1 payers90% up
  17. 89scrooge-x402-tool-mill.vercel.app/v1/link-graphExtract the outbound link graph of a public HTML page: final url, title, unique links as {href, text?}, and count. POST JSON {"url":"https://example.com","maxLinks":50}. Optional maxLinks is an integer 1–50 (default 50). Skips #, javascript, mailto, tel, and data links. Public http(s) only. $0.03 USDC on Base (eip155:8453). No API key.$0.03 Base588 ms1 payers90% up
  18. 89api.monpham.work/v1/twitter/searchSearch X/Twitter tweets by query. POST body: {query, limit}.$0.02 Base900 ms1 payers100% up
  19. 89api.agentnewsstand.com/v1/macroLatest US macro indicators (CPI/NFP/U3/oil) with release flags$0.02 Base416 ms1 payers100% up
  20. 89pegproof.com/api/v1/token/NVDACurrent summary row for one Robinhood tokenized-stock token: reported total supply, treasury balance, UI multiplier, and known-impostor classification when the queried address matches a documented copycat. Identify by ticker or exact contract address. On-chain observations reconstructed from chain event logs, not financial advice.$0.002 Base564 ms1 payers100% up
  21. 89api.aislabs.ai/v1/archive/2026-09-27Historical AIS daily brief by date (YYYY-MM-DD) — or unlock every CVE route with an AIS CVE key ($19/30d): https://aislabs.ai/gateway/$0.05 Base590 ms1 payers100% up
  22. 89api.aislabs.ai/v1/cve/CVE-2026-93616Single-CVE priority verdict from today's AIS ranked set (score, rank, factors) — or unlock every CVE route with an AIS CVE key ($19/30d): https://aislabs.ai/gateway/$0.005 Base744 ms1 payers100% up
  23. 89api.aislabs.ai/v1/brief/todayToday's full ranked CVE priorities (scores, KEV, EPSS, patch status, methodology) — or unlock every CVE route with an AIS CVE key ($19/30d): https://aislabs.ai/gateway/$0.02 Base582 ms1 payers100% up
  24. 89aegis-ai.xyz/api/d2a/briefing-jpycAegis - Cut Through the Noise in Your Feeds. ブリーフィング トップ3$0.006 Base668 ms1 payers100% up
  25. 89api.monpham.work/v1/eia/gridUS electricity grid demand (MWh/hour) from EIA. POST body: {ba, length, start?}.$0.005 Base337 ms1 payers100% up
  26. 89tariffmonkee.com/paid/contentFetch a URL with a real rendered browser (JavaScript executed) and return clean Markdown. Results are cached for 24 hours per URL, so repeat calls for the same page are fast and don't re-render.$0.005 Base903 ms1 payers100% up
  27. 89api.govparse.io/v1/feeds/sdvosbWhich veteran-owned (SDVOSB / VOSB) vendors just showed fresh federal traction? Bulk feed over the verified veteran-owned vendor roster, newest-first by most recent award date: vendor, state, NAICS, certification, and its VA-specific + total federal award totals (banded). A set-aside-eligible vendor with recent traction is a teaming / growth target. Flat rows, cursor-paginated up to 1000/page, filterable by state, NAICS, certification, VA award, or since. Observational public records as filed.$25.00 Base669 ms1 payers90% up
  28. 89api.govparse.io/v1/feeds/fda-device-clearancesWhich medical devices did the FDA just clear or approve, and who is the applicant? Bulk feed over openFDA 510(k) clearances and PMA approvals, newest-first by decision date — a new clearance is a device launch. Cursor-paginated up to 1000/page, filterable by applicant, state, product code, pathway (510k/pma), advisory committee, or since. Rows carry the applicant, device name, product code, advisory committee, pathway, and decision. Observational public records, never a recommendation.$25.00 Base637 ms1 payers90% up
  29. 89api.govparse.io/v1/feeds/patent-grantsWhich companies are granting a cluster of patents? Bulk feed over USPTO / PatentsView granted-patent assignees, ordered by grant count in the loaded window — an assignee with a cluster of grants is an R&D/growth signal. Cursor-paginated up to 1000/page, filterable by state, minimum grants, CPC subclass, first-time-assignee only, or since. Rows carry the assignee, grant count, CPC tech areas, grant window, inventor count, and a first_time_assignee flag. CC BY 4.0 attribution (in _meta.notice).$25.00 Base578 ms1 payers90% up
  30. 89api.govparse.io/v1/feeds/contract-awardsWhich companies just won federal money? Bulk feed over USAspending prime awards (contracts + assistance), newest-first by action date — a funded-growth signal for the awardee. Flat rows, cursor-paginated up to 1000/page, filterable by NAICS, awarding agency, minimum amount, award kind, or since. Each row carries the awardee, agency, award amount (with a banded size bucket), NAICS, dates, and UEI. Observational public records as filed.$25.00 Base550 ms1 payers90% up
  31. 89api.govparse.io/v1/fda/device-clearances/searchWhich companies just cleared or got FDA approval for a medical device? Search openFDA device 510(k) clearances and PMA premarket approvals by applicant company, pathway (510k/pma), FDA product code, advisory-committee specialty (e.g. Cardiovascular), applicant state, or decision date (since). Returns the applicant company (entity-resolved where possible), device name, product code, and decision date — a fresh target list for device and component sellers. openFDA public-domain records.$1.25 Base524 ms1 payers90% up
  32. 89api.govparse.io/v1/subawards/searchWhen a prime wins federal work, who does it flow subcontracts and subgrants down to? Search USAspending subawards (File F prime → sub cascade) by sub-recipient or prime name/UEI, prime award id, awarding agency, NAICS, PSC, subaward type (contract/grant), place-of-performance state, amount, or action date. Set new_subawardee=true for first-time subawardees — subs with NO prime award on record, coming up through subcontracts (a bonding/staffing/lending/teaming lead). Public federal records.$1.25 Base334 ms1 payers90% up
  33. 89api.govparse.io/v1/ttb/permittees/searchWhich distilleries, wineries, alcohol importers, and wholesalers hold a federal TTB basic permit in a market? Search the TTB List of Permittees by owner, operating/DBA name, permit number, permit_type (S/W/I/P), industry, state, city, county, zip, entity_id, or new-permit-only (new=true, a new-business trigger). Returns the permittee, operating name, address, industry type, and entity-resolved owner. Excludes brewers/tobacco (IRC 6103). TTB public-domain records.$1.25 Base402 ms1 payers90% up
  34. 89api.govparse.io/v1/va/opportunities/searchWhat is the Department of Veterans Affairs soliciting right now? A VA-focused slice of the SAM.gov contract-opportunity pipeline (department = Veterans Affairs): search active VA solicitations by keyword, NAICS, set-aside (SDVOSBC, VOSB, SBA...), place-of-performance state, or posted date. Returns the solicitation, NAICS/PSC, set-aside, deadline, and link — VA medical-center construction, equipment, and services buys for device, construction, and staffing sellers.$1.25 Base306 ms1 payers90% up
  35. 89yieldsignal.vercel.app/signal/usdc-base-yieldReal-time risk-weighted USDC lending APY on Base: Aave/Compound/Morpho read onchain, Moonwell/Euler/Fluid via DefiLlama, source tagged per reading (never estimated). EIP-712 signed by the payment-receiving address (see X-Signal-* headers), which also holds an ERC-8004 identity and attests readings on-chain via EAS. Verified per-asset accuracy is free at /accuracy.json; raw on-chain attestations at /track-record.$0.10 Base707 ms1 payers100% up
  36. 89liquid-logic-agent-audit.vercel.app/api/auditAudit agent wallet — structured USDC spend summary from public ledger$0.05 Base731 ms1 payers100% up
  37. 89x402-demo-production-19f3.up.railway.app/demox402 Agent payment proof of concept$0.01 Base561 ms1 payers100% up
  38. 89api.teardrop.dev/tools/mcpTeardrop MCP gateway: pay-per-call tools for AI agents covering token prices, DeFi yields and lending, wallet portfolios and approvals, onchain transactions, DEX quotes, and web search. Call via MCP tools/call over streamable HTTP; settle with x402 USDC on Base.$0.005 Base595 ms0 payers100% up
  39. 89api.scrapeforagents.tech/v1/threadsThreads Scraper$0.025 Base502 ms–100% up
  40. 8947-85-47-24.sslip.io/v1/openapi-postmanGenerate a Postman Collection 2.1 from OpenAPI 3.x$0.01 Base408 ms–100% up
  41. 89api.scrapeforagents.tech/v1/youtube-channelYouTube Channel Scraper$0.025 Base510 ms–100% up
  42. 89api.getaiscan.app/api/agent/score_geoFull GEO (Citation Readiness) score 0-100 with detailed checks$0.15 Base509 ms–100% up
  43. 8947-85-47-24.sslip.io/v1/aws-iam-policy-riskAnalyze AWS IAM policy risk without accessing AWS$0.01 Base674 ms–100% up
  44. 8947-85-47-24.sslip.io/v1/commercial-security-reviewCreate a combined commercial production security verdict$5.00 Base689 ms–100% up
  45. 89diagramforge.slatespark.workers.dev/renderRender a text diagram (Mermaid, PlantUML, Graphviz, D2 + 22 more) to SVG or PNG$0.003 Base723 ms–100% up
  46. 89meterly-ai.vercel.app/api/v1/sportapi7Sport API - Sports scores, schedules, and statistics$0.10 Base843 ms–100% up
  47. 89api.scrapeforagents.tech/v1/aliexpressAliExpress Scraper$0.025 Base829 ms–100% up
  48. 89api.jarvisclaw.ai/v1/marketplace/api/2579Crypto Dex$0.0115 Base401 ms–100% up
  49. 89api.jarvisclaw.ai/v1/marketplace/api/2580Crypto Launches$0.0115 Base381 ms–100% up
  50. 89api.getaiscan.app/api/agent/check_llms_txtllms.txt existence and quality check: sections, links, statistics$0.07 Base472 ms–100% up
  51. 89netintel-production-440c.up.railway.app/asn-lookup/analyzeResolve an IP or domain to its ASN and network owner$0.03 solana335 ms–100% up
  52. 89dealpulse.theaslangroupllc.com/api/deals/cardsCredit card cashback optimization for a purchase or category$0.08 Base720 ms–100% up
  53. 89api.jarvisclaw.ai/v1/marketplace/api/260Geocode$0.023 Base705 ms–100% up
  54. 89api.jarvisclaw.ai/v1/marketplace/api/271Arxiv Summarize$0.046 Base983 ms–100% up
  55. 89tablepulse.theaslangroupllc.com/api/table/party-finderParty/social game finder$0.10 Base808 ms–100% up
  56. 89api.jarvisclaw.ai/v1/marketplace/api/2856Tweet Retweeted By$0.575 Base442 ms–100% up
  57. 89x402-checker.nock-for-mak.workers.dev/timeAlias of /now UTC clock ($0.01)$0.01 Base844 ms–100% up
  58. 89ai.gpuops.io/v1/audio/speechText-to-speech$0.01 Base917 ms–100% up
  59. 89chain.gpuops.io/v1/rpc/ethereumJSON-RPC proxy for ethereum$0.001 Base892 ms–100% up
  60. 89ontopx402.com/api/bidBid for a rank$1.00 Base986 ms–100% up
  61. 89chain.gpuops.io/v1/rpc/optimismJSON-RPC proxy for optimism$0.001 Base530 ms–100% up
  62. 892s.io/api/ai/web-answerAnswer a question from the live web.$0.0825 Base599 ms–100% up
  63. 89www.productclank.com/api/x402/product-listingProductClank Featured Product Listing$19.00 Base591 ms–100% up
  64. 89x402-proxy.monid.workers.dev/api/weather/:cityGet weather data$0.05 Base404 ms–100% up
  65. 89api.loyalspark.online/x402-gateway/cancel-offerCancel an own P2P swap offer$0.005 Base430 ms–100% up
  66. 89api.loyalspark.online/x402-gateway/accept-offerAccept a P2P swap offer (two-phase)$0.01 Base391 ms–100% up
  67. 89scrape.gpuops.io/v1/extractExtract metadata only from a URL$0.002 Base365 ms–100% up
  68. 89fanpulse.theaslangroupllc.com/api/fan/timelineCanonical franchise timeline$0.10 solana612 ms–100% up
  69. 89mcp-x402.onrender.com/x402/drug-recallFDA drug recall/enforcement search (openFDA).$0.001 solana740 ms–100% up
  70. 89api.ccbaydata.com/v1/parcelParcel ($0.05)$0.05 Base623 ms–100% up
  71. 89x402.poly-desk.com/forward-testsLive-Forward-Tests$0.01 Base680 ms–100% up
  72. 89api.scrapeforagents.tech/v1/cargurusCarGurus Scraper$0.025 Base756 ms–100% up
  73. 89api.ccbaydata.com/v1/propertyProperty ($0.15)$0.15 Base604 ms–100% up
  74. 89api.scrapeforagents.tech/v1/otodomOtodom Scraper$0.04 Base727 ms–100% up
  75. 89api.ccbaydata.com/v1/hoa/searchSearch ($0.10)$0.10 Base440 ms–100% up
  76. 89license.ccbaydata.com/v1/verifyVerify ($0.50)$0.50 Base533 ms–100% up
  77. 89license.ccbaydata.com/v1/licenseeLicensee ($0.15)$0.15 Base755 ms–100% up
  78. 892s.io/api/gov/fec-committeeSearch US federal political committees (PACs, super PACs...$0.003 Base307 ms–100% up
  79. 892s.io/api/gov/public-assistanceFEMA Public Assistance (PA) funded project details - the...$0.0045 solana424 ms–100% up
  80. 89market2000.xyz/get_patterns_rawGet Patterns Raw$0.05 solana819 ms–100% up
  81. 89api.jarvisclaw.ai/v1/marketplace/api/3662Trial Search$0.0014 Base503 ms–100% up
  82. 89stableupload.dev/api/site/domainConnect a custom domain to a site. Creates TLS cert and routes the hostname to the site. 637 ms–100% up
  83. 89findpulse.theaslangroupllc.com/api/find/rentalRent vs buy analysis$0.08 Base499 ms–100% up
  84. 89market2000.xyz/get_fear_greedGet Fear Greed Endpoint$0.001 Base801 ms–100% up
  85. 89stableupload.dev/api/download/:uploadIdGet upload metadata by ID. Does not return file bytes. 509 ms–100% up
  86. 89mpp.hyreagent.fun/lp/meteora/pools/%7Baddress%7DDeep analytics for a specific pool$0.03 solana942 ms–100% up
  87. 89stableupload.dev/api/site/activateActivate an uploaded zip site. Extracts the current source zip and makes the site live; already-live sites require a newly uploaded replacement zip. 376 ms–100% up
  88. 89mpp.hyreagent.fun/lp/meteora/pools/strategyFull LP strategy brief$0.20 solana911 ms–100% up
  89. 89x402-api.vybenetwork.xyz/v4/wallets/%7BownerAddress%7D/token-balanceGet current token balances for a wallet$0.012 solana351 ms–100% up
  90. 89entropy.rip/api/browser/manifestRender URL in headless browser$0.10 Base530 ms–100% up
  91. 89entropy.rip/api/watchdog/scheduleSchedule a webhook to fire after delay$0.02 Base518 ms–100% up
  92. 89entropy.rip/api/entropy/whisperGenerate cryptographic random bytes$0.005 Base841 ms–100% up
  93. 89graphadvocate.com/polymarket/riskPolymarket ghost-fill risk$0.02 Base752 ms–100% up
  94. 89scrapecheck.fly.dev/verify-hashDeterministic sha256 verification of served bytes$0.002 Base536 ms–100% up
  95. 89x402-proxy.monid.workers.dev/api/social/tiktok/:usernameGet TikTok profile$0.10 Base618 ms–100% up
  96. 89agents.bytemine.ai/functions/v1/api-gateway/company/intel/pageAnalyze a single page$0.01 Base835 ms–100% up
  97. 89surf.cascade.fyi/api/v1/github/getFetch GitHub repo metadata, files, PRs, or issues$0.002 solana998 ms–100% up
  98. 89x402-api.vybenetwork.xyz/v4/wallets/%7BownerAddress%7D/token-balance-tsGet token-balance history for a wallet$0.018 solana515 ms–100% up
  99. 89x402-api.vybenetwork.xyz/v4/wallets/top-tradersList the top traders by realized PnL$0.018 Base301 ms–100% up
  100. 89api.invoket.com/label/chem/svhcCheck a substance against the SVHC Candidate List (EU)$0.01 solana914 ms–100% up