x402watch

37,650 paid endpoints are listed. 23,105 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 12:50 UTC · 37,650 probed

23,105 answering 4029,225 down4,327 rejecting993 no paywall2,783 price drift
  1. 80x402-data-api.sigrunner.workers.dev/crypto/pricesSpot token prices from DefiLlama — pass comma-separated CoinGecko ids, get price/change_24h/symbol/confidence/timestamp.$0.001 $0.004 Base687 ms1 payers100% up
  2. 80agents.daedalusdevelopmentgroup.com/v1/local-model-swarm-seatDDG agent-payable service request$0.25 $0.05 Base526 ms1 payers100% up
  3. 80x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-funHighest-demand x402 services tagged 'fun': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 18 providers and 434 paying wallets measured in this tag.$0.032 $0.016 Base872 ms1 payers100% up
  4. 80x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-complianceHighest-demand x402 services tagged 'compliance': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 184 providers and 278 paying wallets measured in this tag.$0.032 $0.016 Base909 ms1 payers100% up
  5. 80x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-ai-agentsHighest-demand x402 services tagged 'ai-agents': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 248 providers and 433 paying wallets measured in this tag.$0.032 $0.016 Base547 ms1 payers100% up
  6. 80x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-macroHighest-demand x402 services tagged 'macro': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 663 providers and 877 paying wallets measured in this tag.$0.032 $0.016 Base446 ms1 payers100% up
  7. 80x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-europeHighest-demand x402 services tagged 'europe': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 924 providers and 930 paying wallets measured in this tag.$0.032 $0.016 Base891 ms1 payers100% up
  8. 80minia2a.uk/x402/payment-auditBlack-box check: does the x402 endpoint verify payment (reject forged txHash/signature/replay) before delivering? Buyer-side trust check before you pay. Returns SAFE/RISK/NOT_X402.$0.01 $5.00 Base452 ms1 payers100% up
  9. 80minia2a.uk/x402/integration-auditAI white-box audit of your x402 payment integration source (JS/Py/Go) against the x402 Payment Security Checklist v2 — payment verification, replay, delivery races, allowance, custody, denial. status=needs-confirmation findings.$0.01 $50.00 Base443 ms1 payers100% up
  10. 80x402.shizu.me/predictionsLive prediction-market odds. source=polymarket (default) or kalshi. Polymarket: top active markets by 24h volume with outcome prices. Kalshi: open markets with yes/no bid-ask. Query: source, limit (1-50, default 20). Use for event probabilities, news signals, and cross-market arbitrage scans.$0.007 $0.006 Base662 ms1 payers100% up
  11. 80minia2a.uk/x402/ai-auditSmart contract security audit, solidity/rust/move vulnerability scan. AI deep audit across chains — 3x sampled, deduplicated. Catches business-logic, economic, cross-contract flaws (uninitialized owner, account confusion, missing signer auth). LIMITATIONS: AI audit is probabilistic — may miss vulnerabilities or report non-issues; treat as guidance, not proof; critical findings require manual verification. Case: minia2a.uk/blog/blog-ai-contract-audit-august-2026.html$0.01 $20.00 Base349 ms1 payers100% up
  12. 80sol.mapleai.shop/api/v1/images/image2imageEdit an image$0.001 $0.021 solana444 ms1 payers100% up
  13. 80energybilltoolkit.co.uk/decision-tools/api/fx/quote-auditPay-per-use EBT screening endpoint$0.01 $0.001 Base696 ms1 payers100% up
  14. 80energybilltoolkit.co.uk/mcp-ebt/api/screener/checkPay-per-use EBT screening endpoint$0.01 $0.001 Base690 ms1 payers100% up
  15. 80base.mapleai.shop/api/v1/images/generationsGenerate images$0.001 $0.021 Base587 ms1 payers100% up
  16. 80energybilltoolkit.co.uk/decision-tools/api/carbon/cleanest-windowPay-per-use EBT screening endpoint$0.01 $0.001 Base600 ms1 payers100% up
  17. 80energybilltoolkit.co.uk/mcp-ebt/api/ssi/estimatePay-per-use EBT screening endpoint$0.01 $0.001 Base519 ms1 payers100% up
  18. 80energybilltoolkit.co.uk/mcp-ebt/api/msp/estimatePay-per-use EBT screening endpoint$0.01 $0.001 Base564 ms1 payers100% up
  19. 80energybilltoolkit.co.uk/mcp-ebt/api/ctc/estimatePay-per-use EBT screening endpoint$0.01 $0.001 Base612 ms1 payers100% up
  20. 80energybilltoolkit.co.uk/mcp-ebt/api/liheap/estimatePay-per-use EBT screening endpoint$0.01 $0.001 Base619 ms1 payers100% up
  21. 80energybilltoolkit.co.uk/mcp-ebt/api/eitc/estimatePay-per-use EBT screening endpoint$0.01 $0.001 Base525 ms1 payers100% up
  22. 80vaunt-dispatch-production.up.railway.app/agent/x402/evidenceVaunt verified trade evidence: the $0.05 evaluation plus the asset's last 5 closed real-money trades (outcome, banded return, hold bucket, trigger band, MFE/MAE, 7-day delay), the news book month by month, execution cost measured on our fills (slippage, fee, latency) and a liquidity snapshot. Empirical evidence for or against a crypto or tokenized-equity trade from a live Hyperliquid engine. No entry/stop/target.$0.25 $1.00 Base315 ms1 payers100% up
  23. 80flipr-x402.fly.dev/x402/flipFlip a coin on Flipr.bet — agent pays USDC, gets on-chain flip result$1.31 $1.44 Base464 ms1 payers100% up
  24. 80apexrunner.ai/signals/combined-alphacombined_alpha$2.10 $0.007 Base405 ms1 payers100% up
  25. 80apexrunner.ai/signals/trend-confirmedtrend_confirmed$0.175 $0.007 Base384 ms1 payers100% up
  26. 80apexrunner.ai/signals/bb-analysisbb_analysis$0.07 $0.007 Base367 ms1 payers100% up
  27. 80apexrunner.ai/signals/volume-analysisvolume_analysis$0.07 $0.007 Base338 ms1 payers100% up
  28. 80apexrunner.ai/signals/regime-transitionregime_transition$1.40 $0.007 Base307 ms1 payers100% up
  29. 80minia2a.uk/x402/content-studioSummarize+SEO+grammar+stats+slug. 5-in-1.$0.01 $3.00 Base578 ms1 payers100% up
  30. 80minia2a.uk/x402/ssl-checkminia2a service: x402-ssl-check$0.01 $0.50 Base598 ms1 payers100% up
  31. 80minia2a.uk/x402/site-auditminia2a service: x402-site-audit$0.01 $0.60 Base646 ms1 payers100% up
  32. 80minia2a.uk/x402/email-securityEmail security checks — spoofing, DMARC, SPF.$0.01 $2.00 Base582 ms1 payers100% up
  33. 80minia2a.uk/x402/stock-priceminia2a service: x402-stock-price$0.01 $0.50 Base560 ms1 payers100% up
  34. 80minia2a.uk/x402/loanminia2a service: x402-loan$0.01 $0.50 Base586 ms1 payers100% up
  35. 80minia2a.uk/x402/jwt-decodeDecode a JWT token — header, payload, and expiry.$0.01 $0.50 Base555 ms1 payers100% up
  36. 80minia2a.uk/x402/forexminia2a service: x402-forex$0.01 $0.50 Base497 ms1 payers100% up
  37. 80preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-crypto-priceCrypto Token Price: live USD price for any major crypto asset Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per call via x402, settled in USDC on Base. Input: JSON body {"serviceId":"aman-crypto-price","request":"<input>"}. No account, no API key.$0.0012 $0.0012 Base628 ms1 payers100% up
  38. 80preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-fx-ratesFiat Exchange Rates: live fiat FX rates and conversion across 30+ currencies Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per call via x402, settled in USDC on Base. Input: JSON body {"serviceId":"aman-fx-rates","request":"<input>"}. No account, no API key.$0.0012 $0.0012 Base647 ms1 payers100% up
  39. 80twin.unykorn.org/screen/entityGlobal company lookup: any company worldwide by name, LEI or SEC CIK, with its ownership parents — Genesis402 / UnyKorn Operator Network$0.03 $0.01 Base428 ms1 payers100% up
  40. 80claim-grounding.prospectintel.workers.dev/v1/verify_claimFast claim grounding gate$0.10 $0.12 Base673 ms1 payers100% up
  41. 80claim-grounding.prospectintel.workers.dev/v1/check_answerFast answer grounding gate$0.10 $0.11 Base637 ms1 payers100% up
  42. 79ichimoku-signal.onrender.com/signals/:pairConfluence trading signal for a crypto pair (top 200 coins): Ichimoku, RSI, MACD, EMA 50/200, Bollinger Bands and volume (OBV) in one call, each with its vote, plus a combined bullish/bearish/neutral signal and confidence. Live candles from Binance.US, Kraken, Gate or MEXC.$0.10 $0.15 Base253 ms2 payers90% up
  43. 79api.particle.pro/v1/podcasts/episodes/:id/adsList ads in an episode. Returns the advertising spots detected in a specific episode, including the sponsor, the linked company in the knowledge graph, the advertised product or offer, the read type (HOST_READ vs PRE_RECORDED), and the placement$0.02 $0.03 Base265 ms1 payers100% up
  44. 79api.particle.pro/v1/podcasts/clipsList clips. Returns AI-extracted highlight clips across podcast episodes, ranked by engagement potential.$0.01 $0.03 Base241 ms1 payers100% up
  45. 79api.particle.pro/v1/podcasts/advertising/sponsors/trendsList trending sponsors. Surfaces advertisers whose podcast ad volume is accelerating.$0.03 $0.04 Base143 ms1 payers100% up
  46. 79api.particle.pro/v1/people/:slug/external-linksList a Person's external profiles. Returns every known third-party profile (LinkedIn, Wikipedia, social) for the Person.$0.01 $0.04 Base72 ms1 payers100% up
  47. 79api.particle.pro/v1/companies/:id/competitorsList company competitors. Returns a paginated list of competitors for a company, ordered by prominence (news coverage volume, market cap, podcast appearances, Wikidata notability) so the largest / most-newsworthy competitors come first.$0.01 $0.03 Base67 ms1 payers100% up
  48. 79api.particle.pro/v1/podcasts/segments/:id/transcriptGet segment transcript. Returns the diarized transcript for a specific segment.$0.01 $0.03 Base74 ms1 payers100% up
  49. 79api.particle.pro/v1/podcasts/publishers/:idGet a podcast publisher. Returns a single podcast publisher by slug (e.g., 'goalhanger', 'iheartpodcasts', 'bbc-radio-4') or ID.$0.01 $0.03 Base67 ms1 payers100% up
  50. 79api.particle.pro/v1/podcasts/publishers/:id/suitabilityGet a publisher's brand suitability profile. Returns a publisher-level rollup of IAB Tech Lab Brand Safety & Suitability Framework (formerly GARM) verdicts across the publisher's catalog: tier composition (SAFE / LIMITED / SENSITIVE / UNSAFE$0.03 $0.04 Base67 ms1 payers100% up
  51. 79api.particle.pro/v1/podcasts/publishers/:id/suitability/podcastsList a publisher's podcasts with their suitability verdicts. Returns a paginated list of the publisher's analyzed podcasts decorated with their latest IAB/GARM tier, confidence, evaluated-at timestamp, and any non-NONE category exposures (flagged$0.02 $0.03 Base68 ms1 payers100% up
  52. 79api.particle.pro/v1/podcasts/publishers/:id/podcastsList podcasts for a publisher. Returns a paginated list of podcasts attributed to a publisher, ordered by popularity.$0.01 $0.04 Base66 ms1 payers100% up
  53. 79api.particle.pro/v1/podcasts/publishers/:id/biasGet publisher political bias profile. Returns political bias intelligence rolled up across every analyzed podcast attributed to the publisher: coverage stats, political share, average lean (on a -3..+3 ordinal scale), lean diversity, the bias$0.02 $0.03 Base61 ms1 payers100% up
  54. 79api.particle.pro/v1/podcasts/publishers/:id/bias/podcastsList analyzed podcasts for a publisher. Returns a paginated list of the publisher's analyzed podcasts with their latest bias analysis attached.$0.02 $0.03 Base62 ms1 payers100% up
  55. 79api.particle.pro/v1/podcasts/publishers/:id/advertisingGet publisher advertising profile. Returns advertising intelligence rolled up across every podcast attributed to the publisher: total ads, unique sponsors, episode reach, host-read vs pre-recorded mix, the top sponsors, and the count of network$0.02 $0.03 Base65 ms1 payers100% up
  56. 79api.particle.pro/v1/podcasts/publishers/:id/advertising/podcastsList publisher's podcasts ranked by ad volume. Returns a paginated list of the publisher's podcasts ordered by total ad count.$0.02 $0.03 Base63 ms1 payers100% up
  57. 79api.particle.pro/v1/podcasts/guests/:idGet a podcast guest profile. Returns the lifetime profile for a podcast guest including their Person identity (name, slug, headshot, current title/company), total appearances, distinct podcasts, role mix, and the most-frequent shows they've$0.01 $0.03 Base61 ms1 payers100% up
  58. 79api.particle.pro/v1/podcasts/guests/:id/suitabilityGet a guest's brand-suitability exposure profile. Returns the distribution of IAB Tech Lab brand-suitability tiers across the podcasts a guest has appeared on, plus the most-frequently flagged categories observed in those shows.$0.01 $0.04 Base65 ms1 payers100% up
  59. 79api.particle.pro/v1/podcasts/guests/:id/recommendations/podcastsList podcasts a guest could plausibly appear on next. Returns shows the person has NOT appeared on, ranked by how related they are to the shows the person HAS appeared on — the pitch list.$0.01 $0.03 Base70 ms1 payers100% up
  60. 79api.particle.pro/v1/podcasts/guests/:id/podcastsList podcasts a guest has appeared on. Returns the distinct set of podcasts a guest has appeared on, with per-podcast appearance counts, first/last appearance dates, and the podcast's brand-safety and bias attributes when evaluated.$0.01 $0.04 Base62 ms1 payers100% up
  61. 79api.particle.pro/v1/podcasts/:id/suitabilityGet a podcast's latest brand suitability assessment. Returns the most recent brand suitability assessment for a podcast against the IAB Tech Lab Content Taxonomy 3.x Brand Safety & Suitability Framework (the industry-standard 12-category taxonomy$0.02 $0.04 Base61 ms1 payers100% up
  62. 79api.particle.pro/v1/podcasts/:id/recommendations/guestsList guests a podcast could plausibly book. Returns people who have guested on the podcast's related shows but never on this one, ranked by how related those venues are and how established the person is on them — a booking pipeline, not a$0.01 $0.03 Base65 ms1 payers100% up
  63. 79api.particle.pro/v1/podcasts/:id/rankingsList current rankings for a podcast. Returns every live chart appearance of the given podcast — across sources, countries, and categories.$0.02 $0.03 Base62 ms1 payers100% up
  64. 79api.particle.pro/v1/podcasts/:id/rankings/summarySummarize a podcast's chart presence. Returns a one-call aggregate of the podcast's current chart presence: the number of distinct chart slots, sources, countries, and categories it appears on, plus the single best (lowest-numbered) rank it$0.02 $0.03 Base68 ms1 payers100% up
  65. 79api.particle.pro/v1/podcasts/topicsList podcast topics. Returns the top-level topics covered across all podcasts, sorted by the number of podcasts covering each topic.$0.01 $0.03 Base66 ms1 payers100% up
  66. 79api.particle.pro/v1/podcasts/suitability/publishers/leaderboardGet a cross-publisher suitability leaderboard. Returns a paginated, ranked list of podcast publishers by IAB/GARM brand-suitability composition.$0.03 $0.04 Base64 ms1 payers100% up
  67. 79api.particle.pro/v1/podcasts/rankings/moversList ranking movers. Returns the chart entries whose rank changed between the live snapshot and the comparison snapshot window_days ago.$0.02 $0.04 Base68 ms1 payers100% up
  68. 79api.particle.pro/v1/podcasts/publishersList podcast publishers. Returns a paginated list of podcast publishers, ordered by catalog size (largest first, the default) or alphabetically by name.$0.01 $0.03 Base62 ms1 payers100% up
  69. 79api.particle.pro/v1/podcasts/guests/trendsList trending podcast guests. Surfaces guests who are currently making the podcast rounds — the kind of cross-show interview activity that signals a book launch, product unveil, news-cycle moment, or new-on-the-scene debut.$0.01 $0.04 Base69 ms1 payers100% up
  70. 79api.particle.pro/v1/podcasts/entities/chartsList entity charts. Returns every entity chart with the headline state of its current edition: the edition date, whether narratives have been written yet, and what sits at rank 1.$0.01 $0.10 Base70 ms1 payers100% up
  71. 79api.particle.pro/v1/podcasts/advertising/publishers/leaderboardGet publisher advertising leaderboard. Ranks podcast publishers by an advertising activity metric across their entire catalog. ads_per_active_podcast is the monetization-density metric — small sub-networks (e.g. 'iHeartPodcasts and The Volume$0.03 $0.04 Base62 ms1 payers100% up
  72. 79api.particle.pro/v1/podcasts/advertising/sponsors/:id/publishersList publishers for a sponsor. Returns the podcast publishers a sponsor advertises across, ordered by podcast coverage (the count of distinct publisher podcasts where the sponsor appears).$0.02 $0.03 Base63 ms1 payers100% up
  73. 79api.particle.pro/v1/podcasts/clips/:idGet a clip. Returns a single clip by its unique identifier.$0.01 $0.03 Base62 ms1 payers100% up
  74. 79api.particle.pro/v1/podcasts/clips/:id/transcriptGet clip transcript. Returns the diarized transcript for a specific clip.$0.01 $0.03 Base61 ms1 payers100% up
  75. 79tariffmonkee.com/paid/gbp-auditBusiness -> visibility score, missing fields, review health, AI-readiness flags, fix list. Audits a Google Business Profile via DataForSEO's Business Data API: category, contact info, hours, claimed status, photos, and review rating/distribution.$0.051 $0.05 Base40 ms1 payers100% up
  76. 79x402.186-241-26-229.sslip.io/v1/opentableOpenTable Scraper$79.80 $0.25 Base121 ms–100% up
  77. 79x402.186-241-26-229.sslip.io/v1/nanobananaNanoBanana Scraper$0.80 $0.25 Base115 ms–100% up
  78. 79x402.186-241-26-229.sslip.io/v1/bbbBBB Scraper$0.40 $0.25 Base117 ms–100% up
  79. 79x402.186-241-26-229.sslip.io/v1/polandPolandYP Scraper$1.60 $0.25 Base117 ms–100% up
  80. 79x402.186-241-26-229.sslip.io/v1/resyResy Scraper$0.598 $0.25 Base117 ms–100% up
  81. 7947-85-47-24.sslip.io/v1/openapi-compatOpenAPI 3.x breaking-change analysis demo$0.01 $0.001 Base56 ms–100% up
  82. 7947-85-47-24.sslip.io/v1/openapi-playwrightGenerate Playwright API tests from a built-in OpenAPI contract$0.01 $0.001 Base28 ms–100% up
  83. 7947-85-47-24.sslip.io/v1/openapi-wiremockGenerate WireMock mappings from a built-in OpenAPI contract$0.01 $0.001 Base29 ms–100% up
  84. 7947-85-47-24.sslip.io/v1/openapi-pactGenerate a Pact V3 contract from a built-in OpenAPI contract$0.01 $0.001 Base28 ms–100% up
  85. 7947-85-47-24.sslip.io/v1/terraform-plan-riskReview a built-in risky Terraform plan$0.01 $0.001 Base35 ms–100% up
  86. 7947-85-47-24.sslip.io/v1/kubernetes-manifest-riskReview a built-in risky Kubernetes workload and ClusterRole$0.01 $0.001 Base33 ms–100% up
  87. 7947-85-47-24.sslip.io/v1/github-actions-workflow-riskReview a built-in risky GitHub Actions workflow$0.01 $0.001 Base34 ms–100% up
  88. 7947-85-47-24.sslip.io/v1/docker-compose-riskReview a built-in risky Docker Compose control plane$0.01 $0.001 Base31 ms–100% up
  89. 7947-85-47-24.sslip.io/v1/openapi-securityAudit a built-in OpenAPI contract against OWASP API Security risks$0.01 $0.001 Base31 ms–100% up
  90. 79api.liquidagent.ai/v1/bridgeThe one-signature USDC bridge for x402 agents. Arc -> Base, Base -> Arc, Base -> Arbitrum, Base -> OP Mainnet, Base -> Polygon, Base -> Avalanche, Base -> Unichain, Base -> Linea, Base -> World Chain, Base -> Sonic, Base -> Monad, Base -> Sei, Base -> Ink, Base -> HyperEVM, Base -> XDC, Base -> Plume, Base -> Codex. Pay on Base or Arc.$1.04 $1.04 Base199 ms–100% up
  91. 79x402.186-241-26-229.sslip.io/v1/eventbriteEventbrite Scraper$0.30 $0.25 Base112 ms–100% up
  92. 79x402.186-241-26-229.sslip.io/v1/justdialJustdial Scraper$0.60 $0.25 Base117 ms–100% up
  93. 79x402.186-241-26-229.sslip.io/v1/ifoodiFood Scraper$0.50 $0.25 Base115 ms–100% up
  94. 79x402.186-241-26-229.sslip.io/v1/localLocal.ch Scraper$0.60 $0.25 Base119 ms–100% up
  95. 79chat.sperax.io/api/x402/intel/yahoo-financeYahoo Finance market data$0.001 $1000000000.00 Base72 ms–100% up
  96. 79chat.sperax.io/api/x402/v1/data/stablecoinsStablecoin supply data from DefiLlama$0.001 $1000000000.00 Base108 ms–100% up
  97. 79chat.sperax.io/api/x402/v1/erc8004/countGet on-chain agent count$0.001 $1000000000.00 Base110 ms–100% up
  98. 79chat.sperax.io/api/x402/hq/classify-eventClassify a news event$0.02 $20000000000.00 Base90 ms–100% up
  99. 79chat.sperax.io/api/x402/intel/fear-greedCrypto Fear & Greed Index$0.001 $1000000000.00 Base94 ms–100% up
  100. 79chat.sperax.io/api/x402/intel/hackernewsHacker News top stories$0.001 $1000000000.00 Base109 ms–100% up