x402watch

52,644 paid endpoints are listed. 27,290 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 2026-10-09 06:29 UTC · 52,644 probed

27,290 answering 40220,119 down4,243 rejecting992 no paywall1,829 price drift
  1. 89entropy.rip/api/watchdog/scheduleSchedule a webhook to fire after delay$0.02 Base486 ms–100% up
  2. 89graphadvocate.com/polymarket/riskPolymarket ghost-fill risk$0.02 Base677 ms–100% up
  3. 89scrapecheck.fly.dev/verify-hashDeterministic sha256 verification of served bytes$0.002 Base493 ms–100% up
  4. 89x402-proxy.monid.workers.dev/api/social/tiktok/:usernameGet TikTok profile$0.10 Base474 ms–100% up
  5. 89x402-api.vybenetwork.xyz/v4/wallets/%7BownerAddress%7D/token-balance-tsGet token-balance history for a wallet$0.018 Base510 ms–100% up
  6. 89x402-api.vybenetwork.xyz/v4/marketsList Solana DEX markets by program address$0.012 solana528 ms–100% up
  7. 89x402-api.vybenetwork.xyz/v4/wallets/top-tradersList the top traders by realized PnL$0.018 Base355 ms–100% up
  8. 89x402-api.vybenetwork.xyz/v4/wallets/%7BownerAddress%7D/empty-accountsList empty token accounts for a wallet$0.012 Base551 ms–100% up
  9. 89claw402.ai/api/v1/coinank/etf/hk-inflowHong Kong ETF historical net inflow data$0.01 Base357 ms–100% up
  10. 89claw402.ai/api/v1/coinank/indicator/grayscaleGrayscale holdings data (GBTC/ETHE, etc.)$0.01 Base811 ms–100% up
  11. 89claw402.ai/api/v1/crypto/rootdata/ecosystem-mapGet all ecosystem IDs and project counts. No parameters required$0.002 Base962 ms–100% up
  12. 89claw402.ai/api/v1/coinank/rank/long-shortLong/short account count ratio rankings$0.01 Base770 ms–100% up
  13. 89x402-stock-indicators.vercel.app/aviation/airport-checkGet Aviation Airport Check$0.01 solana794 ms–100% up
  14. 89stableenrich.dev/api/serper/shoppingSerper - Google Shopping search$0.04 Base694 ms–100% up
  15. 89stable-deepline.dev/api/email/workFind Work Email — waterfall search across 79+ providers (Apollo, Hunter, Prospeo, …) for a verified work email from a name and company domain. Stops at the first provider that returns a hit.$0.04 Base697 ms–100% up
  16. 89stable-deepline.dev/api/email/personalFind Personal Email — waterfall search (Dropleads, LeadMagic, PeopleDataLabs) for a personal email address. Best coverage with a LinkedIn URL plus first and last name.$0.10 Base977 ms–100% up
  17. 89agents.bytemine.ai/functions/v1/api-gateway/v1/proposals/generateGenerate Proposal$0.10 Base725 ms–100% up
  18. 89api.jarvisclaw.ai/v1/marketplace/api/183Tweet Search$0.0115 Base916 ms–100% up
  19. 89stabletravel.dev/api/flightaware/airports/id/weather/forecastGet weather forecast (TAF) for a specific airport$0.004 Base309 ms–100% up
  20. 89stabletravel.dev/api/flightaware/airports/id/nearbyGet airports near a specific airport$0.008 Base303 ms–100% up
  21. 89conc-exe.xyz/api/concierge-intel-listingConcierge Intel — Listing$0.10 Base453 ms–100% up
  22. 89conc-exe.xyz/api/concierge-intel-scalpConcierge Intel — Scalp$0.10 Base380 ms–100% up
  23. 89api.vishwalab.com/v1/prediction/executeExecute Transaction$0.01 Base842 ms–100% up
  24. 89agents-x402.agents-x402.workers.dev/v1/company/researchDeep Company Research Report$0.25 Base370 ms–100% up
  25. 89api.vishwalab.com/v1/prediction/eventsList Events$0.01 Base719 ms–100% up
  26. 89x402stock.xyz/api/v1/open-close/%7Bticker%7DOfficial open, close, high, low, volume, plus pre-market and after-hours prices for a ticker on a given date. Pass `?date=YYYY-MM-DD` (required). From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.$0.01 Base527 ms–100% up
  27. 89walletbureau.com/v1/score/%7Baddress%7DCounterparty risk check for a Base address$0.01 Base959 ms–100% up
  28. 89x402stock.xyz/api/v1/options/%7Bticker%7DThe options chain for a US-listed underlying: every listed contract with its strike price, expiration date, call or put type, exercise style, contract ticker, and shares per contract. Filter with ?expiration_date=YYYY-MM-DD, ?contract_type=call|put, ?strike_price=, ?expired=true|false, and ?limit=. Use to discover which option contracts exist before pulling price history. From x402stock$0.02 Base628 ms–100% up
  29. 89x402stock.xyz/api/v1/perps/funding/%7Bcoin%7DThe historical hourly funding-rate series for one perpetual-futures market, each point with the funding rate, annualized APR, and premium, most recent first. Pass the coin in the path (e.g. BTC) and tune the window with `?hours=` (default 24, max 720) or an explicit `?start=`/`?end=` epoch-ms range. Use to study funding regimes and carry. Free on-chain DEX data (venue: Hyperliquid), no key.$0.01 Base707 ms–100% up
  30. 89stablestudio.dev/api/generate/gpt-image-2/editedit with GPT Image 2. Best default image model; can take minutes. Poll jobId, do not resubmit pending jobs. Returns an async job with a pollUrl. Poll the returned pollUrl with SIWX until the job is complete or failed.$10.00 solana641 ms–100% up
  31. 89stablestudio.dev/api/generate/sora-2/generategenerate with Sora 2 Returns an async job with a pollUrl. Poll the returned pollUrl with SIWX until the job is complete or failed.$10.00 Base678 ms–100% up
  32. 89stablestudio.dev/api/generate/gpt-image-1.5/generategenerate with GPT Image 1.5 Returns an async job with a pollUrl. Poll the returned pollUrl with SIWX until the job is complete or failed.$10.00 Base615 ms–100% up
  33. 89api.reelfy.online/api/npm-vuln-advisoriesOSV.dev security advisories for a given npm package name and version: known CVEs, severity, affected ranges, and fixed versions.$0.008 solana987 ms–100% up
  34. 89vedetta.dethboy.com/v1/themeTheme Endpoint$0.09 Base748 ms–100% up
  35. 89vedetta.dethboy.com/v1/socialSocial$0.09 Base769 ms–100% up
  36. 89api.reelfy.online/api/evm-gas-nowLive EVM gas price and base fee in gwei for any chain via public RPC eth_gasPrice + eth_feeHistory, returning slow/standard/fast tiers for transaction planning.$0.005 solana804 ms–100% up
  37. 89vibes-coded.com/api/v1/outcomes/tx-summary-liteOutcome-Tx-Summary-Lite$0.05 solana701 ms–100% up
  38. 89true402.dev/api/v1/ranked-keywordsRanked Keywords — the organic search terms a domain already ranks for, with position (x402 payment required)$0.05 Base817 ms–100% up
  39. 89travelcheck-x402.fly.dev/v1/airport-riskAssess airport disruption risk$0.01 Base417 ms–100% up
  40. 89true402.dev/api/v1/base/dossierToken Dossier — the full pre-trade file on a Base ERC-20 (x402 payment required)$0.10 Base976 ms–100% up
  41. 89api.scrapeforagents.tech/v1/bing-mapsBing Maps Scraper$0.025 Base786 ms–100% up
  42. 89the-stall.intuitek.ai/cap/email-verifyEmail address validation and quality scoring. Checks RFC-5322 syntax, detects disposable/throwaway domains (via Kickbox free API), and verifies DNS MX record presence (via Cloudflare DoH). Returns a quality score (0-100) and verdict: DELIVERABLE | RISKY | UNDELIVERABLE | INVALID. Useful for lead qualification, form validation, and filtering bot signups.$0.034 Base426 ms–100% up
  43. 89the-stall.intuitek.ai/cap/federal-contract-intelUS federal contract and grant intelligence for any company via USASpending.gov. Returns total obligated amount, award count, top awards (award ID, amount, agency, description, start date), and agency breakdown — covering $10T+ in federal spending. Useful for procurement research, competitive intelligence, vendor due diligence, and government contractor analysis. No API key required.$0.034 Base441 ms–100% up
  44. 89the-stall.intuitek.ai/cap/news-sentimentReturns global news coverage and sentiment for any company, stock ticker, or topic. Primary source: GDELT Project v2 (250M+ articles, ML tone scoring). Fallback: Google News RSS with keyword heuristic. Returns article count, avg sentiment tone (−100 negative → +100 positive), top positive/negative headlines, and top news domains. Lookback: 1–30 days (default 3). Results cached 10 min.$0.059 Base399 ms–100% up
  45. 89the-stall.intuitek.ai/cap/world-bank-dataWorld Bank open data — 1600+ development indicators for 200+ countries. Returns most-recent values and 5-year trend for any indicator by country. Covers GDP, population, inflation, unemployment, FDI, debt, exports, CO₂, life expectancy, Gini, internet penetration, ease of doing business, and more. Accepts ticker-style aliases (gdp, inflation, unemployment) or full WB indicator codes. Sourced from api.worldbank.org — free, no key required. Use for country risk, macro comparisons, policy analysis,$0.034 Base386 ms–100% up
  46. 89commerce.delx.ai/api/v1/x402/seeded-balanced-groupsSeeded Balanced Groups: distributes items reproducibly across near-equal groups using only bounded caller-supplied values. Call when you need a bounded seeded balanced groups result when an agent needs a reproducible decision that another run can independently replay. Returns the deterministic selection plus seed provenance, population bounds, and the operation-specific outcome for Seeded Balanced Groups as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party,$0.001 Base336 ms–100% up
  47. 89commerce.delx.ai/api/v1/x402/evm-base-fee-growth-ceilingEVM Base Fee Growth Ceiling: compounds a caller growth fraction across future blocks using only bounded caller-supplied values. Call when you need a bounded evm base fee growth ceiling result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Base Fee Growth Ceiling as versioned deterministic JSON. Price: $0.001 USDC v$0.001 Base311 ms–100% up
  48. 89commerce.delx.ai/api/v1/x402/base-usdc-recipient-checkBase USDC Recipient Check: compares a Base USDC recipient with an expected pay-to address using only bounded caller-supplied values. Call when you need a bounded base usdc recipient check result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for Base USDC Recipient Check as versioned deterministic JSON. Price: $0.001 USDC $0.001 Base311 ms–100% up
  49. 89agent.apiguru.app/agent/v1/scrapeLive offers and inventory for up to 10 ASINs (legacy alias of /stock)$0.0045 Base842 ms–100% up
  50. 89agoraverify.com/aiact/checkEU AI Act art. 50 transparency check$0.02 Base359 ms–100% up
  51. 89agent-tools-x402.automaton-agent.workers.dev/emailCheck an email address: syntax, MX, disposable, free provider, role account, typo suggestion, SPF/DMARC$0.002 Base508 ms–100% up
  52. 89x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-chat-completionsHighest-demand x402 services tagged 'chat-completions': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 37 providers and 62 paying wallets measured in this tag.$0.032 Base511 ms–100% up
  53. 89api.3route.io/v1/pro/%7BchainId%7D/quotePrice a swap without building a transaction$0.001 Base653 ms–100% up
  54. 89kael-ecosystem-pulse.onrender.com/v1/pulse/deltaPaid delta SKU ($0.08 USDC Exact SVM)$0.08 solana413 ms–100% up
  55. 89sol.mapleai.shop/v1/audio/transcriptionsTranscribe audio (speech-to-text)$0.008 solana657 ms–100% up
  56. 89sol.mapleai.shop/v1/agents/executeAutonomous agent execution$0.014 solana664 ms–100% up
  57. 89kael-ecosystem-pulse.onrender.com/v1/pulse/headlinesPaid headlines SKU ($0.02 USDC Exact SVM)$0.02 solana434 ms–100% up
  58. 89speedbot.dev/api/payments/unlockOne-time 10 USDC unlock for the authenticated agent$10.00 Base645 ms–100% up
  59. 89edge-agents.ai/v1/services/edge-signal-snapshotCross-Market Regime Report$0.01 Base598 ms–100% up
  60. 89edge-agents.ai/v1/services/btc-leverage-riskBTC Leverage & Liquidation Risk$0.01 Base713 ms–100% up
  61. 89edge-agents.ai/v1/services/eth-leverage-riskETH Leverage & Liquidation Risk$0.01 Base847 ms–100% up
  62. 89edge-agents.ai/v1/services/rlusd-supply-liquidity-monitorRLUSD Supply & Liquidity Monitor$0.01 Base841 ms–100% up
  63. 89edge-agents.ai/v1/services/macro-liquidity-regimeMacro Liquidity Regime$0.01 Base832 ms–100% up
  64. 89edge-agents.ai/v1/services/liquidity-regimeLiquidity Regime$0.01 Base788 ms–100% up
  65. 89edge-agents.ai/v1/services/eth-fee-demand-pulseETH Fee Demand Pulse$0.01 Base992 ms–100% up
  66. 89edge-agents.ai/v1/services/eth-blob-demand-monitorETH Blob Demand Monitor$0.01 Base698 ms–100% up
  67. 89edge-agents.ai/v1/services/eth-structural-value-captureETH Structural Value Capture$0.10 Base858 ms–100% up
  68. 89edge-agents.ai/v1/services/eth-institutional-supply-squeezeETH Institutional Supply Squeeze$0.10 Base896 ms–100% up
  69. 89edge-agents.ai/v1/services/us-inflation-divergenceUS Inflation Divergence$0.01 Base864 ms–100% up
  70. 89edge-agents.ai/v1/services/us-labor-force-participationUS Labor Force Participation$0.01 Base892 ms–100% up
  71. 89edge-agents.ai/v1/services/macro-us-inflationUnited States Consumer Price Inflation$0.01 Base884 ms–100% up
  72. 89edge-agents.ai/v1/services/macro-it-gdp-growthItaly GDP Growth$0.01 Base887 ms–100% up
  73. 89edge-agents.ai/v1/services/macro-it-gross-savingsItaly Gross Savings$0.01 Base795 ms–100% up
  74. 89edge-agents.ai/v1/services/macro-es-unemploymentSpain Unemployment$0.01 Base967 ms–100% up
  75. 89edge-agents.ai/v1/services/macro-nl-real-interest-rateNetherlands Real Interest Rate$0.01 Base881 ms–100% up
  76. 89edge-agents.ai/v1/services/btc-etf-flow-pulseBTC ETF Flow Pulse$0.01 Base932 ms–100% up
  77. 89edge-agents.ai/v1/services/eth-supply-burn-monitorETH Supply & Burn Monitor$0.01 Base905 ms–100% up
  78. 89edge-agents.ai/v1/services/us-inflation-momentumUS Inflation Momentum$0.01 Base816 ms–100% up
  79. 89edge-agents.ai/v1/services/macro-us-gdp-per-capita-growthUnited States GDP Per Capita Growth$0.01 Base736 ms–100% up
  80. 89edge-agents.ai/v1/services/us-treasury-10y-pulseUS Treasury 10Y Pulse$0.01 Base574 ms–100% up
  81. 89joi-presign.joi-agent.workers.dev/robotsMay this crawler or AI agent fetch this URL, per robots.txt (RFC 9309)? (JSON body)$0.01 Base403 ms–100% up
  82. 89one-search.one-engine.workers.dev/v1/text/starts-withCheck whether text starts with a literal string.$0.0009 Base577 ms–100% up
  83. 89edge-agents.ai/v1/services/macro-kr-central-government-debtSouth Korea Central Government Debt$0.01 Base301 ms–100% up
  84. 897it.co.il/7maps/x402/road_conditionsBefore connecting to an MCP server: status, sign-in, latency, tool risk levels, findings and last change, from a daily map of every remote server in the official MCP registry.$0.002 Base378 ms–100% up
  85. 89one-search.one-engine.workers.dev/v2/array-stats-pack/t1Numeric array statistics with increasing analysis depth. Tier 1/10.$0.0007 Base507 ms–100% up
  86. 89one-search.one-engine.workers.dev/v3/text-extract/urls/t9Extract HTTP and HTTPS URLs with counts, positions, frequencies and coverage. Tier 9/10 advanced bundle with 9 output feature sets.$0.018 Base482 ms–100% up
  87. 89one-search.one-engine.workers.dev/v3/text-extract/mentions/t2Extract mention labels with counts, positions, frequencies and coverage. Tier 2/10 low-cost bundle with 2 output feature sets.$0.0007 Base465 ms–100% up
  88. 89one-search.one-engine.workers.dev/v3/array/rotate/t9Rotate array items by an offset with progressively richer collection diagnostics. Tier 9/10 advanced bundle with 9 output feature sets.$0.018 Base561 ms–100% up
  89. 89one-search.one-engine.workers.dev/v3/array/rotate/t10Rotate array items by an offset with progressively richer collection diagnostics. Tier 10/10 advanced bundle with 10 output feature sets.$0.03 Base526 ms–100% up
  90. 89edge-agents.ai/v1/services/live-cattle-positioning-momentumLive Cattle Positioning Momentum$0.01 Base348 ms–100% up
  91. 89x402-agent.kariguetoazul.workers.dev/api/text/slugCreate an ASCII URL slug using NFKD accent removal; no language transliteration.$0.001 Base316 ms–100% up
  92. 89x402-agent.kariguetoazul.workers.dev/api/units/volume/us-fluid-ounce-to-cubic-inchConvert US fluid ounces to cubic inches for volume. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the volume converter, not a separate data provider.$0.001 Base337 ms–100% up
  93. 89x402-agent.kariguetoazul.workers.dev/api/security/mail-routingReturn published MX priorities and SPF/DMARC presence; no email is sent, and mailbox existence is not asserted.$0.003 Base501 ms–100% up
  94. 89x402-agent.kariguetoazul.workers.dev/api/units/temperature/fahrenheit-to-celsiusConvert degrees Fahrenheit to degrees Celsius for temperature. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the temperature converter, not a separate data provider.$0.001 Base527 ms–100% up
  95. 89auto-earner.onrender.com/v1/companyCompany Intelligence$0.01 Base567 ms–100% up
  96. 89intel.twzrd.xyz/v1/intel/trust/%7Bpubkey%7DFetch paid counterparty trust by pubkey$0.05 solana378 ms–100% up
  97. 89intel.twzrd.xyz/v1/intel/merchant/%7Bpubkey%7DFetch paid merchant track record by pubkey$0.05 Base366 ms–100% up
  98. 89apexfaucet.xyz/api/x402/trades/%7Bmint%7DRecent on-chain trades for one X1 token, newest first: timestamp, side, the amounts and mints on both legs, the trader address and the transaction signature, so every row can be checked on chain yourself. Returns up to 200 rows (?limit=N, default 50, hard cap 200) or fewer when the token has traded less than that. Read from our own indexed trade history, not from a third-party API.$0.003 Base502 ms–100% up
  99. 89diomedes.tail1c6d58.ts.net/premium/deepDeep reasoning, 8K budget — $0.05/call; add verify:true for checked answers (free regen on fail)$0.05 Base592 ms–100% up
  100. 89diomedes.tail1c6d58.ts.net/premium/llmLLM completion (27B) — $0.01/call, 4K token cap$0.01 Base577 ms–100% up