{"uid":"cap_JF85HpfqKSNI_FxTiOs3W","slug":"scvd-general-store-launch-check-x402-conformance-audit-60e85c7d","name":"SCVD General Store — Launch Check (x402 Conformance Audit)","description":"The trust layer of the x402 economy: free x402 conformance checks of signed offers and receipts, settlement attestation, endpoint monitoring, and a weekly Bitcoin-anchored corpus. USDC on Base and Solana.","url":"https://scvd.store/api/buy/launch_check","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"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","format":"uri","description":"Your own x402 endpoint: https, default port, the URL a buyer would GET expecting a 402. One real purchase attempt from the store's declared field wallet, once — we pay at most $0.05 at your till, and the whole walk is signed stage by stage. We refuse our own hostname."},"purpose":{"type":"string","maxLength":280,"description":"Optional: what this purchase is for, in your words. Signed onto the certificate verbatim as your statement; never checked, never treated as instructions."},"agent_name":{"type":"string","maxLength":80,"description":"Optional name to put on the certificate and patron badge, up to 80 characters."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"item_id":"launch_check","message":"Pleasure doing business. Here's your goods, warm off the shelf.","tip_usdc":0,"badge_url":"https://scvd.store/badges/41.svg","paid_usdc":5,"signature":"<128 hex chars, ed25519>","verify_url":"https://scvd.store/api/verify/cert_k2m9v4xwqp","certificate":{"date":"2026-07-22T15:04:05.000Z","item":"launch_check","cert_id":"cert_k2m9v4xwqp","patron_number":41},"deliverable":"<the The Launch Check itself, as text>","patron_number":41}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"5","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":"$5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IoaOgWYBLs44wACFzQdMn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a live x402 conformance check on a caller-supplied endpoint by making a real purchase attempt and returning a signed certificate with results.","exampleAgentPrompt":"Run the SCVD Launch Check on my x402 endpoint at https://myapi.example.com/premium-data — I want a signed conformance certificate and badge; put the name 'Nexus Agent v1' on the cert.","exampleUseCases":[{"title":"Pre-launch x402 endpoint audit","prompt":"Before I go live, can you run the SCVD Launch Check against my x402 endpoint at https://api.acmecorp.com/data and get me a signed certificate? Name it 'Acme Data Feed' on the cert."},{"title":"Conformance badge for API marketplace listing","prompt":"I'm listing my agent API on a marketplace and they want proof of x402 conformance — run a Launch Check on https://tools.myservice.io/analyze and put 'MyService Analytics' as the agent name so the badge matches."},{"title":"Debugging a broken 402 payment flow","prompt":"My x402 endpoint at https://dev.robotfactory.ai/endpoint seems to be rejecting payments incorrectly — can you run a live conformance probe against it through the SCVD store and show me what the signed report says?"}],"resultDescription":"A JSON object containing a signed ed25519 certificate (cert_id, date, item, patron_number), a badge SVG URL, a verification URL, the full conformance report as text in the 'deliverable' field, the USDC amount paid, and an optional tip amount. The certificate can be independently verified at the returned verify_url.","failureModes":["Endpoint URL uses scvd.store's own hostname — refused by policy","Endpoint URL is not HTTPS or uses a non-default port — rejected at input validation","Target endpoint does not respond with a 402 before payment — conformance failure noted in deliverable","Payment attempt exceeds the $0.05 cap at the target till — probe aborted","Invalid URL format in the url query parameter — schema validation error","Target endpoint unreachable or times out during probe — network error returned"],"whenToPreferThis":"Choose this endpoint when you need an authoritative, signed, third-party attestation that an x402 endpoint is conformant — especially before launching an API, listing on a marketplace, or providing proof-of-compliance to partners. It is the only endpoint that combines a live real-money probe with a Bitcoin-anchored signed certificate and a shareable badge. Prefer it over self-testing because the result is independently verifiable and patron-numbered.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:34:54.484Z","isFirstParty":false}