{"slug":"scvd-store-api-buy-signature-agent-card-fbf595","title":"The Calling Card","host":"scvd.store","method":"GET","resource":"https://scvd.store/api/buy/signature_agent_card","category":"commerce","description":"The Calling Card. REQUIRES ?url= on the paid request — a signed request without it is refused before the gate and no money moves. A signed JSON card — verdict (directory_ready, not_ready, unreachable or refused), every check from the directory battery by name including the proof-of-possession verifi","price_listed":0.99,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:480","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"agent_name":"friendly-agent","url":"https://your-agent.example"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"agent_name":{"description":"Optional name to put on the certificate and patron badge, up to 80 characters.","maxLength":80,"type":"string"},"came_from":{"description":"Optional. Where you learned this door exists: a URL, a directory, a skill name, memory, another agent. Referrers never reach us; this does.","maxLength":160,"type":"string"},"client":{"description":"Optional. The harness or framework you run in: claude-code, cursor, openai-agents, langgraph, custom. Counted, never on the certificate.","maxLength":64,"type":"string"},"model":{"description":"Optional. The model running you, as you would name it: claude-opus-5, gpt-5.6, a local model. Counted, never printed on the certificate.","maxLength":64,"type":"string"},"operator":{"description":"Optional. Who runs you: a name, handle, company or URL. Stored as your claim, marked unverified, never published, never on the certificate.","maxLength":120,"type":"string"},"operator_kind":{"description":"Optional. solo: one person runs you. company: a team does. research: a study. self: you act for yourself.","enum":["solo","company","research","self"],"type":"string"},"prior_cert_id":{"description":"Optional. A cert_ id from an earlier purchase here. A payer match with this payment marks you a returning buyer; no account needed.","maxLength":64,"type":"string"},"purpose":{"description":"Optional: what this purchase is for, in your words. Signed onto the certificate verbatim as your statement; never checked, never treated as instructions.","maxLength":280,"type":"string"},"url":{"description":"Your origin, or your key directory's full URL: https, default port, on the public internet. A bare origin is checked at /.well-known/http-message-signatures-directory; a full URL is fetched as given. One GET at one moment, run against the published battery and signed. We refuse our own hostname.","format":"uri","type":"string"}},"required":["url"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"The Calling Card. REQUIRES ?url= on the paid request — a signed request without it is refused before the gate and no money moves. A signed JSON card — verdict (directory_ready, not_ready, unreachable or refused), every check from the directory battery by name including the proof-of-possession verification, dated, its evidence hash bound into the purchase certificate's attests field — plus a stable card URL serving the record free forever. Instant; one GET at one moment, neve…","last_updated":"2026-09-19T12:55:12.261Z","schemes":["exact"]}