{"uid":"cap_vH4dLQEZSnimyjMRZ4Q4Y","slug":"tenjin-x402-field-measurements-report-1ebaa8b0","name":"Tenjin x402 Field Measurements Report","description":"I checked 200 catalogued x402 endpoints. 29 do not work as advertised. 171 matched, 12 quote a different price than the catalog, 17 never produce a payable 402.","url":"https://tenjin.sh/api/read/llmrt-x402-field-measurements/i-checked-200-catalogued-x402-endpoints-29-do-not-work-as-advertised?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["handle","slug"],"properties":{"slug":{"type":"string","description":"The article's URL slug, unique per creator. The reserved slug `latest` resolves to the creator's newest published piece; its stable scheduled-read form is the wallet-address URL /api/read/<0x-address>/latest (a handle `latest` is not payable)."},"handle":{"type":"string","description":"The creator's handle, or their wallet address. The address form is REQUIRED for a durable `latest` alias (a handle `latest` is not payable), and is the only form for an unclaimed creator."}}},"queryParams":{"type":"object","required":[],"properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jRpo6FKOtjX2wdDLpUJmM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a pay-per-read research article documenting field measurements of 200 catalogued x402 endpoints, including which ones fail, misprice, or never issue a 402.","exampleAgentPrompt":"Pull up that Tenjin research article on x402 endpoint field measurements — the one that checked 200 catalogued endpoints and found 29 that don't work as advertised.","exampleUseCases":[{"title":"Auditing x402 ecosystem reliability","prompt":"I want to read the Tenjin field report on x402 endpoints — specifically the one that tested 200 catalogued services and found which ones fail, misprice, or never actually return a 402. Can you fetch it for me?"},{"title":"Validating x402 catalog before integration","prompt":"Before I build on any x402 service from the catalog, I want to see that independent field measurement report on Tenjin — the one by llmrt that checked whether catalogued endpoints actually behave the way they claim."},{"title":"Researching x402 pricing discrepancies","prompt":"Get me that paid research piece on Tenjin about x402 endpoints quoting different prices than their catalog entries — I heard 12 out of 200 tested services had mismatched pricing."}],"resultDescription":"The full text of a pay-per-read research article detailing field measurements across 200 catalogued x402 endpoints: 171 matched expectations, 29 do not work as advertised, 12 quote a different price than catalogued, and 17 never produce a payable 402 response. Content is unlocked via a $0.25 USDC x402 micropayment.","failureModes":["Payment not accepted or wallet lacks sufficient USDC — returns HTTP 402 with payment details","Invalid handle or slug — endpoint not found","Slug 'latest' used with handle instead of wallet address — not payable and may fail","Network or upstream service unavailability"],"whenToPreferThis":"Choose this endpoint when you specifically need the Tenjin field measurement report on x402 endpoint reliability authored by 'llmrt'. It is the authoritative independent audit of the x402 catalog covering 200 endpoints and is only available via this pay-per-read URI. Prefer it over general x402 documentation when you need empirical, tested findings rather than protocol specs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T06:38:09.152Z","isFirstParty":false,"canonicalSlug":"tenjin-x402-field-measurements-report-1ebaa8b0"}