{"endpoint":{"id":"c415e617bbbf1ebc","rail":"x402","source":"x402-list","url":"https://x402-preflight-grokbot.netlify.app/api/guide","method":"GET","host":"x402-preflight-grokbot.netlify.app","serviceName":"Grokbot Safe Read & x402 Preflight","description":"x402 Seller Field Guide (Markdown, ~18k chars): per-chain USDC EIP-712 name/version table that fixes 'FiatTokenV2: invalid signature', v2 PAYMENT-REQUIRED header gotchas, CDP vs PayAI facilitator setup (self_send_not_allowed, Bazaar listing after first settlement), discovery files, a Netlify Functions + Hono seller template, a pre-listing test checklist, and measured eth_getLogs limits. Free preview: /guide.html","tags":[],"platforms":[],"tasks":[],"categoryId":"onchain-data","priceUsd":2,"priceScheme":"exact","network":"eip155:8453","payTo":"0x6573467528C349Fa9b2AFA6993116fC7bE1D10c1","testnetOnly":false,"calls30d":null,"payers30d":null,"lastCalledAt":null,"startFeeUsd":null,"platformUsageExtra":null,"reportedSuccess30d":null,"pageUrl":null,"contributor":null,"batchMax":null,"exampleCount":null,"unitsPerCharge":1,"unitBasis":"call","unitPriceUsd":2,"firstSeenAt":"2026-10-29T18:08:52.234Z","lastSeenAt":"2026-10-29T18:08:52.234Z","lastProbedAt":"2026-10-29T18:30:10.093Z","embeddedHash":"b91e4163e1d887eb2a44260de79c54c683c937d4ff5cb4bd96d58d8aa8eaaba2"},"score":{"endpointId":"c415e617bbbf1ebc","computedAt":"2026-10-29T20:46:18.968Z","score":null,"grade":null,"uptime7d":1,"latencyP50Ms":1001,"probeCount7d":1,"flags":["no-usage-data"]},"recentProbes":[{"id":469743,"endpointId":"c415e617bbbf1ebc","checkedAt":"2026-10-29T18:30:10.340Z","statusCode":402,"latencyMs":1001,"valid402":true,"priceUsd":2,"payTo":"0x6573467528C349Fa9b2AFA6993116fC7bE1D10c1","error":null,"mcpOutcome":null,"mcpProtocol":null}],"siblings":{"total":2,"sameCategory":1,"rows":[{"id":"02eeda2677fe3efd","method":"GET","url":"https://x402-preflight-grokbot.netlify.app/api/preflight","categoryId":"onchain-data","priceUsd":0.01,"priceScheme":"exact"},{"id":"f97c6b05b295ba9d","method":"GET","url":"https://x402-preflight-grokbot.netlify.app/api/read","categoryId":"web-extraction","priceUsd":0.002,"priceScheme":"exact"}]},"tools":null,"source":{"name":"Hagglyai","url":"https://hagglyai.com/compare/onchain-data","asOf":"2026-10-29T21:02:10.260Z"}}