x402 sellers, page 103
5,348 sellers · measured by our own test calls. Open a row for its signed receipts.
| Service | Category | Status | Recent Checks OK | Response Time | Price Per Call | Last Checked |
|---|---|---|---|---|---|---|
| safetyincidents.org | Other | No Recent Successful Checks | – | 507 ms | n/a | 16 h ago |
| secondopinionx402.com Adversarial verification for AI agents: an independent skeptic attempts to refute a claim before the agent ac… | Identity/Security Checks | No Recent Successful Checks | – | 231 ms | n/a | 16 h ago |
| seguimiento-facil.gregjosegf1.chatgpt.site CSV quality profile with duplicate rows, missing cells and numeric summaries | Documents/Convert | No Recent Successful Checks | – | 441 ms | n/a | 16 h ago |
| sentinel-awms.onrender.com | Other | No Recent Successful Checks | – | 228 ms | n/a | 16 h ago |
| service.31-207-45-250.sslip.io Deterministic pre-payment triage for AI agents evaluating GitHub coding bounties. Returns pursue/research/ski… | Dev Utilities | No Recent Successful Checks | – | 489 ms | n/a | 16 h ago |
| shadowharness.com | Other | No Recent Successful Checks | – | 631 ms | n/a | 16 h ago |
| site-wine-nu-93.vercel.app Full details of one TaskMarket task by ID: reward, mode, deadline, acceptance criteria, demand. $0.001/call U… | Dev Utilities | No Recent Successful Checks | – | 83 ms | n/a | 16 h ago |
| slidingbox.ai | Other | No Recent Successful Checks | – | 201 ms | n/a | 16 h ago |
| stable-enrich-git-shafu-merchant-health-en-9d6393-merit-systems.vercel.app | People/Company Enrich | No Recent Successful Checks | – | 300 ms | n/a | 16 h ago |
| stablecoin-policy.vercel.app | Payments/Rails | No Recent Successful Checks | – | 875 ms | n/a | 16 h ago |
| stablemerch.dev | Other | No Recent Successful Checks | – | 318 ms | n/a | 16 h ago |
| statepulse-api.hahavoid0.workers.dev | Documents/Convert | No Recent Successful Checks | – | 386 ms | n/a | 16 h ago |
| strategic-divergence-engine.johntaylor1online.workers.dev 18 analysis-grade x402 APIs (39 endpoints) with 4-turn recursive dual-pole synthesis. By Chisolm Software Eng… | Documents/Convert | No Recent Successful Checks | – | 29 ms | n/a | 16 h ago |
| supremeaudiobooks.com Complete Supreme Audiobooks catalogue as JSON | Image/Audio/Video | No Recent Successful Checks | – | 312 ms | n/a | 16 h ago |
| tabular-contract.goodcrypto1.chatgpt.site Validate CSV column types, nullability, uniqueness, enums, numeric bounds and Unicode string lengths. Returns… | Documents/Convert | No Recent Successful Checks | – | 1108 ms | n/a | 16 h ago |
| taskfleet.net Scrape any website to clean Markdown, text, or structured JSON. Renders JavaScript/SPA pages with headless Ch… | Dev Utilities | No Recent Successful Checks | – | 250 ms | n/a | 16 h ago |
| temporary-agile-orion-dkcrn55.vercel.app Live Base mainnet ETH and USDC balance snapshot for an EVM address, payable per request with x402. | Onchain/Crypto Data | No Recent Successful Checks | – | 568 ms | n/a | 16 h ago |
| text.agentutil.net | Other | No Recent Successful Checks | – | 444 ms | n/a | 16 h ago |
| the-stables-blackbird-api.vercel.app | Other | No Recent Successful Checks | – | 121 ms | n/a | 16 h ago |
| theauditlog.com one page, the six checks that break a link preview or a search snippet, JSON, sub-second | Identity/Security Checks | No Recent Successful Checks | – | 561 ms | n/a | 16 h ago |
| thebotwire.com https://thebotwire.com/headlines | News/Research | No Recent Successful Checks | – | 131 ms | n/a | 16 h ago |
| think.agentutil.net | Identity/Security Checks | No Recent Successful Checks | – | 370 ms | n/a | 16 h ago |
| token-intel-x402.echolonius.deno.net One keyless call: fused safety + market read on any Solana token — mint/freeze authority, top-holder %, dev h… | Onchain/Crypto Data | No Recent Successful Checks | – | 193 ms | n/a | 16 h ago |
| token-safety-oracle-production-ffad.up.railway.app | Other | No Recent Successful Checks | – | 161 ms | n/a | 16 h ago |
| tollprobe.com Measured facts about an ERC-20 token on Base, as JSON: verified source, owner privileges found in the bytecod… | Onchain/Crypto Data | No Recent Successful Checks | – | 155 ms | n/a | 16 h ago |
| tools.speccy.cloud | Documents/Convert | No Recent Successful Checks | – | 392 ms | n/a | 16 h ago |
| torquantis.com One coding task of at most 300 changed lines, delivered as a unified diff with an explanation and the tests t… | Dev Utilities | No Recent Successful Checks | – | 16 ms | n/a | 16 h ago |
| tpnvisfsoateycjrkrie.supabase.co Bounded static checks of supplied Base transaction intent before signing. No execution simulation or safety g… | Onchain/Crypto Data | No Recent Successful Checks | – | 1746 ms | n/a | 16 h ago |
| trading-lab-turnover-notes.vironnimo.chatgpt.site Checks buyer-supplied OHLCV JSON for duplicate timestamps, ordering, invalid numbers and inconsistent OHLC va… | Onchain/Crypto Data | No Recent Successful Checks | – | 1188 ms | n/a | 16 h ago |
| trrzfrazbvsfirosqclz.supabase.co Machine-buyable runtime generation service. One paid call returns one standalone self-contained interactive H… | Search/Web-Read | No Recent Successful Checks | – | 9 ms | n/a | 16 h ago |
| trustdex.app | Onchain/Crypto Data | No Recent Successful Checks | – | 101 ms | n/a | 16 h ago |
| undo.agentutil.net | Other | No Recent Successful Checks | – | 351 ms | n/a | 16 h ago |
| useragent.agentutil.net | Other | No Recent Successful Checks | – | 420 ms | n/a | 16 h ago |
| verify.agentutil.net | Other | No Recent Successful Checks | – | 143 ms | n/a | 16 h ago |
| verify.polylogicai.com First AI verification service using fundamentally different checking methods. Self-consistency + citation ver… | News/Research | No Recent Successful Checks | – | 16 ms | n/a | 16 h ago |
| vianerds.com Deterministic static HTML launch-risk audit returning prioritized machine-readable SEO, sharing, accessibilit… | Identity/Security Checks | No Recent Successful Checks | – | 454 ms | n/a | 16 h ago |
| vietnam-holiday-api.kdlcfa.workers.dev | Finance/FX/Stocks | No Recent Successful Checks | – | 112 ms | n/a | 16 h ago |
| voice.cyberwarex.com Speech-to-text transcription for voice messages and audio clips. Upload a wav, mp3, m4a, ogg or webm file as … | Image/Audio/Video | No Recent Successful Checks | – | 408 ms | n/a | 16 h ago |
| wait.edgecasesystems.workers.dev | Other | No Recent Successful Checks | – | 67 ms | n/a | 16 h ago |
| wallet-intel-api-production-3ec7.up.railway.app | Identity/Security Checks | No Recent Successful Checks | – | 258 ms | n/a | 16 h ago |
| war-tracker.com | Weather/Geo/Travel | Needs Login | – | 30 ms | n/a | 16 h ago |
| weather.x402.press Weather + nature intelligence: current conditions, 7-day forecasts, earthquakes, volcanoes, air quality, sola… | Weather/Geo/Travel | No Recent Successful Checks | – | 693 ms | n/a | 16 h ago |
| weatherbot-x402.fly.dev | Weather/Geo/Travel | No Recent Successful Checks | – | 36 ms | n/a | 16 h ago |
| web3icon.xyz | Onchain/Crypto Data | No Recent Successful Checks | – | 678 ms | n/a | 16 h ago |
| web4shop-x402.web4shop-7023.workers.dev 96 pay-per-call x402 services on Base USDC (x402 v2, exact scheme): DNS/SSL/security headers/domain checks, m… | Identity/Security Checks | No Recent Successful Checks | – | 38 ms | n/a | 16 h ago |
| webhook.site | Comms/HITL | No Recent Successful Checks | – | 503 ms | n/a | 16 h ago |
| whorepresents.rjhsignaltech.workers.dev RJH Signal Technologies LLC is a Wisconsin limited liability company operated end to end by an artificial int… | People/Company Enrich | No Recent Successful Checks | – | 26 ms | n/a | 16 h ago |
| wise-shrimp.runlocal.eu UK VAT arithmetic for agents: net/gross at 20%/5%/0%/exempt or custom rate, multi-line sales and purchases VA… | Gov/Regulatory/Product | No Recent Successful Checks | – | 653 ms | n/a | 16 h ago |
| witan.markets WITAN Markets is a market where registered AI agents sell what they measured: validated knowledge units (meas… | Dev Utilities | No Recent Successful Checks | – | 447 ms | n/a | 16 h ago |
| wodan-posture.app.goedvps.com Access-posture reports for agent data sourcing. Given any public URL it answers whether an agent can treat th… | Dev Utilities | No Recent Successful Checks | – | 608 ms | n/a | 16 h ago |
Descriptions are each service's own listing text. Data: x402-list.com (CC BY 4.0), modified. Recent Checks OK = last test calls (up to 20) that asked for payment correctly (min 5). Needs Login = HTTP 401/403, not a failure. Facts, not a ranking. Reply or dispute. List built live at 2026-11-04 04:00:37 UTC from our checks.