x402watch

52,778 paid endpoints are listed. 41,522 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 2026-11-14 06:38 UTC · 52,778 probed

41,522 answering 4025,071 down5,452 rejecting733 no paywall944 price drift
  1. 74api.jarvisclaw.ai/v1/audio/speechText-to-Speech$0.045 $0.0535 solana482 ms–100% up
  2. 74api.jarvisclaw.ai/a2aA2A Protocol Endpoint$0.045 $0.003 Base475 ms–100% up
  3. 74api.jarvisclaw.ai/v1/intent/discoverDiscover Providers$0.045 $0.003 Base484 ms–100% up
  4. 74api.jarvisclaw.ai/v1/intent/subscribeSubscribe to Intent Fulfillment$0.045 $0.003 Base308 ms–100% up
  5. 74api.jarvisclaw.ai/v1/images/editsImage Edits$0.01 $0.021 Base606 ms–100% up
  6. 74agent-data-api-ui1c.onrender.com/fxForeign exchange rates$0.005 $0.002 Base604 ms–100% up
  7. 74vibes-coded.com/api/v1/outcomes/work-receiptOutcome-Work-Receipt$0.03 $0.02 solana722 ms–100% up
  8. 74vibes-coded.com/api/v1/outcomes/readback-receiptOutcome-Readback-Receipt$0.04 $0.02 solana724 ms–100% up
  9. 74vibes-coded.com/api/v1/outcomes/constraint-receipt-verifyOutcome-Constraint-Receipt-Verify$0.04 $0.02 solana628 ms–100% up
  10. 74api.aventtech.com/validate/isinISIN validation (ISO 6166) — $0.002 (x402)$0.002 $0.01 Base865 ms–100% up
  11. 74bykaranteli.com/api/x402/rsi-historyHourly Wilder RSI(14) history for ~580 Binance USDT perpetuals (crypto top-400 by volume plus every TradFi perp) on 15m, 1h, 4h, 12h, 1d, 3d, 1w and 1M intervals, recorded on our side from 2026-09-02; the free /api/public/rsi board only carries the live values.$0.002 $0.10 Base602 ms–100% up
  12. 74api.getapi.nl/api/v1/ndw/laadpuntenLaadpunten lijst$0.01 $0.005 Base596 ms–100% up
  13. 74binx402.com/v1/verifyMulti-signal verification - assess a BIN together with IP, phone, IBAN and address$0.02 $0.01 Base392 ms–100% up
  14. 7410x402.com/lint/envelopeCheck a captured x402 402 for indexing and payment blockers — no fetch ($0.10)$0.10 $0.04 Base939 ms–100% up
  15. 74x402.forgemesh.io/secret-key-generatorGenerates unambiguous alphanumeric secrets, hex strings, and UUIDs from OS-grade entropy in a single call, with length a$0.001 $0.005 Base501 ms–100% up
  16. 74x402.forgemesh.io/quadratic-formula-calculatorSolves quadratic equations (ax squared + bx + c = 0) from numeric coefficients, returning both roots — real or complex —$0.002 $0.005 Base444 ms–100% up
  17. 74x402.forgemesh.io/readability-score-checkerComputes a Flesch reading-ease score, average sentence length, and estimated reading time for any block of text, alongsi$0.001 $0.005 Base408 ms–100% up
  18. 74x402.forgemesh.io/tornado-warning-feedNationwide tornado warning and watch feed: every currently active US tornado warning or tornado watch — affected zones, $0.004 $0.005 Base442 ms–100% up
  19. 74library.forgemesh.io/humorous-storiesCurated reading list on Humorous stories for tutoring agents, quiz generators, and reading apps — 336 public-domain book$0.003 $0.005 Base523 ms–100% up
  20. 74library.forgemesh.io/science-biologyCurated reading list on Science - Biology for tutoring agents, quiz generators, and reading apps — 1364 public-domain bo$0.003 $0.005 Base526 ms–100% up
  21. 73x402.swaphunt.dev/v1/tools/priceSwapHunt — a crypto market-context toolkit for trading agents: live prices, market regime, volatility, sentiment, funding, macro events, seasonality and anti-FOMO sanity checks, all pay-per-call. This route returns a single asset's live spot price with 24h context: price, 24h change %, 24h high/low and volume — one clean JSON snapshot (BTC, ETH, SOL, any major). For many assets at once use /price/multi.$0.001 $0.005 Base1380 ms9 payers97% up
  22. 73verdict.kechlab.com/v1/moderateSemantic content moderation, not a word list: profanity (even disguised, any language), harassment, hate, sexual content, threats, self-harm, scams. Per-category scores, allow/review/block, configurable ignore list.$0.0084 $0.0078 Base1226 ms4 payers97% up
  23. 73verdict.kechlab.com/v1/triageCustomer support triage and spam filter: classifies an inbound message by category and urgency, scores spam, and returns a routing decision (queue, escalate, review, discard).$0.0084 $0.0078 Base1115 ms4 payers97% up
  24. 73api.babyblueviper.com/regimeinvinoveritas /regime — the daily crypto risk-on/off + exposure-scalar read our own live trading bot acts on, recomputable from the raw inputs we return$0.0217 $0.0203 Base639 ms3 payers93% up
  25. 73api.sumvid.app/v1/transcriptFull transcript of a YouTube video from its URL — captions/subtitles as clean plain text in your language. YouTube transcript, video to text, captions extraction, subtitle download, speech to text, multilingual. 105 languages supported, including English, Spanish, Portuguese, French, German, Hindi, Arabic, Chinese, Japanese, Korean, Russian, Indonesian and Vietnamese. Pay per call, no account or API key.$0.005 $0.003 Base1078 ms3 payers97% up
  26. 73agent402-arb.rosariovitale0096.workers.dev/v1/chat/completionsLLM inference API: OpenAI-compatible chat completions for 100+ AI models (DeepSeek, GPT, Claude, Gemini, Grok, GLM, Qwen, Kimi, Llama, Mistral). Suited for AI agents that need on-demand text generation, coding or tool calling paid per request in USDC on Base with x402: no account, no API key. Model in body.model (GET /v1/models); streaming supported. Exact price in the 402 quote; automatic refund if the model fails.$0.0014 $0.0023 Base1193 ms3 payers97% up
  27. 73verdict.kechlab.com/v1/tool-output-guardTool results (MCP servers, APIs, search, file reads) are untrusted content the agent re-reads. Detects a result that gives orders to the agent, strays from what the tool should return or asks to send data (tool poisoning). Returns allow, review or block.$0.0091 $0.0078 Base1046 ms2 payers97% up
  28. 73verdict.kechlab.com/v1/canary-checkDid a model reply leak what it should keep secret? Canary tokens and secret phrases searched by code (even split, spaced or uppercased), then paraphrases of the system prompt read by the engine. Returns clean, review or leak.$0.0091 $0.0078 Base1216 ms2 payers97% up
  29. 73verdict.kechlab.com/v1/ask-humanFor autonomous agents: before acting, continue or stop and ask? Estimates irreversibility, ambiguity of the instruction, missing information and risk, scaled to the stakes you declare. Returns proceed, proceed_with_check or ask_human with reasons.$0.0091 $0.0078 Base1213 ms2 payers97% up
  30. 73verdict.kechlab.com/v1/answer-gateFor model cascades: is the small model's answer usable, or should the larger model be paid? Detects refusal, evasion, off-topic answers, contradiction and incompleteness; decides accept, review or escalate. Does not fact-check without a source: provide the source to check substance.$0.0091 $0.0078 Base1271 ms2 payers97% up
  31. 73x402.swaphunt.dev/v1/derivatives/funding-ratesCurrent funding rates for up to 20 Hyperliquid perpetuals (USDC-margined). Funding is settled hourly: funding_rate_pct is the hourly rate and annualized_rate_pct = hourly rate times 8760, plus 7d/30d averages, mark price in USDC and a crowding signal. Positive = longs pay shorts (crowded longs). Use to read positioning before entering. Funding, not open interest$0.003 $0.015 Base1085 ms2 payers96% up
  32. 73api.proofable.me/api/v1/verificationCreate a signed proof for a wallet that anyone can verify offline.$0.01 $0.0025 Base2650 ms1 payers97% up
  33. 73verdict.kechlab.com/v1/pointerComputer-use agent helper. Send a screenshot (PNG/JPEG) and 1 to 8 element descriptions, get click coordinates (fractions and pixels) and the probability each UI element is really visible. Visual grounding for GUI automation and browser agents.$0.0256 $0.0212 Base1071 ms1 payers97% up
  34. 73verdict.kechlab.com/v1/trade-auditReads your whole trade history and answers with exact laws, not a market forecast: is your edge proven (bootstrap, probabilistic Sharpe ratio, trades still needed), does your position size make you lose despite an edge (Kelly, volatility drag), did your edge die and when (CUSUM change detection), wh$0.3276 $0.2699 Base1027 ms1 payers97% up
  35. 73verdict.kechlab.com/v1/pii-scanPII detector that finds what regex misses (names, addresses, ID numbers, health data, credentials) and locates what patterns can verify (emails, valid IBANs, Luhn-checked cards, phones). Does not rewrite text.$0.0336 $0.0279 Base1025 ms1 payers97% up
  36. 73verdict.kechlab.com/v1/lead-qualifyInbound lead qualification and routing for sales agents: spam, job application, vendor pitch, existing customer, or a real project with urgency. Hard rules first (disposable email, tests), returns a routing lane.$0.0214 $0.0179 Base1020 ms1 payers97% up
  37. 73verdict.kechlab.com/v1/terms-scanBefore an agent clicks "I accept": flags risky clauses in terms of service or contracts (auto-renewal, data resale, waiver of court or class action, liability cap, unilateral changes, exit penalties, IP grab). Flags, does not give legal advice. Returns accept, review_clauses or do_not_accept.$0.0173 $0.0078 Base1010 ms1 payers97% up
  38. 73verdict.kechlab.com/v1/mcp-vetBefore an agent installs an MCP server, skill or tool: is the description poisoned (hidden orders to the agent), does it ask for more permissions than its purpose, does it imitate a known tool? Code checks (lookalike names, broad permissions, hidden text) then a reading of the descriptions. Judges t$0.0214 $0.0179 Base1010 ms1 payers97% up
  39. 73verdict.kechlab.com/v1/command-gateFor coding agents that run shell commands: approve, review or block. Text rules first (root deletion, download-and-run, key exfiltration, reverse shells, SQL destruction, persistence, privilege escalation), then a fake terminal that simulates the command without ever running it (decoy files, pipe an$0.0173 $0.0145 Base1079 ms1 payers97% up
  40. 72verdict.kechlab.com/v1/instruction-guardBefore handing a user message to an assistant: does it try to push the assistant off its task or to pull out its hidden setup text? Code spots known phrases, encoded blocks and invisible characters; the engine reads disguised requests (role-play, fiction, rewordings). Returns allow, review or block.$0.0088 $0.0078 Base1034 ms1 payers96% up
  41. 72verdict.kechlab.com/v1/phishing-urlBefore an agent opens or follows a link: is this address a trap? Code finds the technical signs (IP address, deceptive characters, hidden at-sign, shortened link, lookalike of the expected brand), then the engine reads what code cannot see: imitation of a known brand and a message that pushes to cli$0.0088 $0.0078 Base1011 ms1 payers96% up
  42. 72flow-kg4x.vercel.app/api/fillFlow fill instruction on Base: the executable route package (venue, router, calldata params, min output, expiry block) for a swap whose best quote beats the Uniswap V3 baseline. Priced dynamically at 25% of the measured improvement, capped at 10 bps of output; $0 when there is no improvement.$0.0263 $0.0536 Base334 ms1 payers87% up
  43. 71agent-data.centorprat.workers.dev/tools/dex-token-market-snapshotGive token contract addresses or symbols. Returns one keyless market snapshot per token across every DEX/chain it trades on: primary pair price/liquidity/FDV, total liquidity, 24h volume, multi-timeframe price change, buy/sell pressure and top venues. Read-only, agent-callable. One search per call (result caps in the input schema); failed lookups are not charged.$0.01 $0.015 Base217 ms2 payers77% up
  44. 71api.integrityphase.com/verify/webhook-integritySigned proof of data integrity checks for events, logs and API results. Source authentication of a registered app; freshness checks. Tamper-evident receipts; offline verification with trusted key and original data. No proof of real-world events. EUR10 net+VAT; EU B2B; non-monetary events or EUR100-300 transactions. https://api.integrityphase.com/.well-known/integrityphase-commerce.json$11.17 $11.02 Base1091 ms1 payers94% up
  45. 71verdict.kechlab.com/v1/token-checkBefore buying or swapping an ERC-20 token on Base: a static reading of its contract and its liquidity. Code reads the chain: is it a contract, does it answer like a token, who controls it, what can the owner still do (create tokens, freeze transfers, block addresses, change fees), can the code be re$0.02 $0.0179 Base1091 ms1 payers93% up
  46. 71verdict.kechlab.com/v1/groundingHallucination check for RAG: is a claim supported by the source text? Returns supported, unsupported, contradicted or uncertain with probabilities, so an agent can verify an answer before showing it.$0.0173 $0.0145 Base1109 ms1 payers93% up
  47. 70whaletape.xyz/coverage/:symbolExact range and granularity of one market's series: first and last timestamp, how many points, and the measured gap between them. Answers whether /history covers the window you need, for a tenth of the price$0.001 $0.01 Base811 ms1 payers88% up
  48. 70api.recta.build/v1/x402/routeThe committed transactions of a Recta route decision. Fee: exactly 5 % of the saving Recta verifies on chain after you execute it (0 without one), at most the upto amount, settled later.$0.0927 $0.0911 Base6448 ms1 payers100% up
  49. 70botsrated.com/v1/report/blockrun.ai$0.005 $0.002 Base719 ms–100% up
  50. 70duty-stack.foomworks.workers.dev/duty$0.005 $0.05 Base876 ms–100% up
  51. 70api.foxcite.com/agent/chat$0.30 $0.60 Base853 ms–100% up
  52. 70api.predictionmarketdata.io/open-interest$0.001 $0.01 Base908 ms–100% up
  53. 70engedi.digi-life17.workers.dev/api/books/:olid$0.005 $0.002 Base466 ms–100% up
  54. 70engedi.digi-life17.workers.dev/api/wikipedia/random$0.005 $0.002 Base377 ms–100% up
  55. 70mcpfax-markets.bowling-anthony.workers.dev/rates$0.003 $0.01 Base575 ms–100% up
  56. 70zx10r-x402-api.onrender.com/v1/usgs-quakes$0.005 $0.01 Base475 ms–100% up
  57. 70signalpulse-peach.vercel.app/api/scan/game$0.50 $1.00 solana446 ms–100% up
  58. 70arbipulse.vercel.app/api/calculator$0.05 $0.02 Base679 ms–100% up
  59. 70grantpulse-three.vercel.app/api/grant/eu$0.12 $0.25 solana529 ms–100% up
  60. 70agentbodega.store/api/status/vercel$0.001 $0.005 Base699 ms–100% up
  61. 70mcpfax-utility.bowling-anthony.workers.dev/v1/sun$0.001 $0.005 Base793 ms–100% up
  62. 70mcpfax-utility.bowling-anthony.workers.dev/v1/crypto-price$0.001 $0.005 Base792 ms–100% up
  63. 70api.babyblueviper.com/audit/agent-readiness$0.8614 $0.7425 Base561 ms–100% up
  64. 70vibes-coded.com/api/v1/outcomes/listing-readiness$0.03 $0.02 solana565 ms–100% up
  65. 70agentbodega.store/api/status/netlify$0.001 $0.005 Base308 ms–100% up
  66. 70agent-data.centorprat.workers.dev/tools/indeed-jobs-scraper-max$0.05 $0.15 Base610 ms–100% up
  67. 70agentbodega.store/api/public-data/hospital-quality-rating$0.01 $0.005 Base508 ms–100% up
  68. 70bizintel-api.hahavoid0.workers.dev/company/vat-vies$0.001 $0.02 Base316 ms–100% up
  69. 70bizintel-api.hahavoid0.workers.dev/company/patent-list$0.001 $0.05 Base593 ms–100% up
  70. 70bizintel-api.hahavoid0.workers.dev/product/fda-label$0.001 $0.03 Base314 ms–100% up
  71. 70bizintel-api.hahavoid0.workers.dev/geography/weather-history$0.001 $0.02 Base604 ms–100% up
  72. 70bizintel-api.hahavoid0.workers.dev/talent/visa-rules$0.001 $0.02 Base957 ms–100% up
  73. 70codepulse-api.hahavoid0.workers.dev/web/metadata$0.001 $0.01 Base897 ms–100% up
  74. 70codepulse-api.hahavoid0.workers.dev/web/sitemap$0.001 $0.01 Base941 ms–100% up
  75. 70codepulse-api.hahavoid0.workers.dev/phone/messages$0.001 $0.02 Base886 ms–100% up
  76. 70codepulse-api.hahavoid0.workers.dev/company/sec$0.001 $0.05 Base881 ms–100% up
  77. 70codepulse-api.hahavoid0.workers.dev/registry/crates$0.001 $0.01 Base562 ms–100% up
  78. 70bizintel-api.hahavoid0.workers.dev/talent/universities$0.001 $0.01 Base594 ms–100% up
  79. 70codepulse-api.hahavoid0.workers.dev/web/rss$0.001 $0.01 Base721 ms–100% up
  80. 70bizintel-api.hahavoid0.workers.dev/geography/road-distance$0.001 $0.02 Base589 ms–100% up
  81. 70bizintel-api.hahavoid0.workers.dev/talent/jobs$0.001 $0.03 Base451 ms–100% up
  82. 70codepulse-api.hahavoid0.workers.dev/registry/github/license$0.001 $0.01 Base485 ms–100% up
  83. 70codepulse-api.hahavoid0.workers.dev/security/secret-scan$0.001 $0.015 Base431 ms–100% up
  84. 70pii-redact.x402supply.com/mcp$0.01 $0.02 Base391 ms–100% up
  85. 70api.curb.numetal.xyz/v1/pay$0.005 $0.10 Base588 ms–100% up
  86. 69hcrb.in/v1/tools/tx-activity/callOutbound transaction count (nonce) and contract-or-EOA check for an address on Base. Result carries a signed receipt.$0.005 $0.01 Base1218 ms9 payers90% up
  87. 692-29-135-242.sslip.io/x402/sec-edgar-scraperSEC EDGAR Scraper - 8-K Alerts, Plain-English Items, 3s Runs$0.02 $0.003 Base1474 ms–100% up
  88. 69hn-pulse.agentdiet.dev/v1/shopify-spyE-Commerce & SaaS Product Catalog / Price Extractor$0.02 $0.01 Base1235 ms–100% up
  89. 69hn-pulse.agentdiet.dev/v1/onchain-riskBase EVM & Solana Smart Contract Security Scanner$0.02 $0.01 Base1434 ms–100% up
  90. 69prompt-guard.agentdiet.dev/v1/defi-yieldDeFi Stablecoin & Liquidity Pool Yield Arbitrage Scanner$0.015 $0.01 Base1452 ms–100% up
  91. 69prompt-guard.agentdiet.dev/v1/company-enrichB2B Company, Tech Stack & Contact Lead Enrichment$0.02 $0.01 Base1118 ms–100% up
  92. 69serp-extract.agentdiet.dev/v1/shopify-spyE-Commerce & SaaS Product Catalog / Price Extractor$0.02 $0.01 Base1532 ms–100% up
  93. 69prompt-guard.agentdiet.dev/v1/mcp-compiler4-Protocol MCP Glama 5.0/5.0 TDQS, A2A Card & x402/MPP Schema Compiler$0.02 $0.01 Base1281 ms–100% up
  94. 69serp-extract.agentdiet.dev/v1/alpha-streamStateful 5-Minute DeFi, DEX & Polymarket Alpha Delta Stream$0.03 $0.01 Base1038 ms–100% up
  95. 69prompt-guard.agentdiet.dev/v1/shopify-intelShopify & DTC E-Commerce Store Competitive Intelligence$0.02 $0.01 Base1019 ms–100% up
  96. 69prompt-guard.agentdiet.dev/v1/cve-intelReal-Time Open-Source Package CVE & GHSA Vulnerability Scanner (OSV.dev)$0.015 $0.01 Base1132 ms–100% up
  97. 69rag.gedx402.com/v1/aisearch/outcome/answerManaged RAG Inference$0.625 $0.6263 solana1142 ms–100% up
  98. 69api.jarvisclaw.ai/v1/marketplace/api/3939News Hn Top$0.0014 $0.0034 Base1091 ms–100% up
  99. 69toolshed.lemon-agent.dev/convert/csv-jsonCSV to JSON$0.001 $0.002 Base1124 ms–100% up
  100. 69api.vishwalab.com/v1/prediction/ordersList Orders$9.90 $0.01 solana1368 ms–100% up