{"uid":"cap_kHRlyf5EWA8yE8NzpjO5F","slug":"aeml-x402-service-graveyard-dead-services-registry-c1c164e2","name":"aeml-x402 Service Graveyard (Dead Services Registry)","description":"[BATCH+PROOF] x402 service graveyard - services that vanished from the census. THRESHOLD stated plainly: listed on FIRST confirmed absence (confirm_absences=1), NOT multi-day confirmation - only two snapshot days exist, which cannot support a streak test. Rows are hash-backed and recompute offline with ?verifiable=1; record_hash_verifiable reports the exact count per response. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.","url":"https://aeml-x402.zeabur.app/trust/graveyard","method":"GET","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"verifiable":{"type":"string","description":"optional - set to 1 to attach `_hash_core` per row (the canonical pre-image of the record_hash for that row) so you can recompute and verify fully offline; omitted by default to keep the payload small - for online verification use free GET /gauge/verify?hash="}},"additionalProperties":false}}},"output":{"type":"object","required":["type"],"properties":{"type":{"const":"json"},"example":{}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.09","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":"$0.09/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Djg9VxrTZHDyq8oqLVLks","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.09","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of x402 services that have disappeared from the census — their 'death records' including when they were last seen and verifiable record hashes.","exampleAgentPrompt":"Can you pull up the graveyard list of x402 services that have gone offline — I want to see all the confirmed-dead entries and their verifiable record hashes from the census snapshot.","exampleUseCases":[{"title":"Auditing defunct x402 ecosystem services","prompt":"Give me the full list of x402 services confirmed absent from the census — I want to know how many have died and see their death records with verifiable hashes."},{"title":"Monitoring API ecosystem health over time","prompt":"Pull the x402 service graveyard so I can track which payment-enabled APIs have disappeared since the last snapshot and cross-reference them with our active integrations."},{"title":"Research into x402 service attrition","prompt":"I'm analyzing service attrition in the x402 ecosystem — can you fetch the graveyard registry and show me all the dead services along with the record hash verification data?"}],"resultDescription":"A JSON object containing: a count of deceased services, an array of death records (services confirmed absent from the census), and a record_hash_verifiable object that progressively reveals cryptographic hashes for each entry to allow self-verification. The snapshot covers the 2026-07-07/08 census window; a service is listed after a single confirmed absence.","failureModes":["Payment not received or invalid x402 payment header — request rejected with 402","Service temporarily unavailable — upstream registry unreachable","Empty deaths array if no services have been confirmed absent in the snapshot window","Malformed payment credentials resulting in authentication failure"],"whenToPreferThis":"Use this endpoint when you need a curated, cryptographically verifiable list of x402 services that have vanished from the active registry — specifically useful for ecosystem health audits, integration dependency checks, or research into API lifecycle patterns within the x402/USDC payment ecosystem. Prefer this over manual probing when you want a snapshot-backed, single-call enumeration of confirmed-dead services.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:44:40.864Z","isFirstParty":false}