{"protocol":"zfinia-machine-economy-graph-v0","generatedAt":"2026-10-15T15:37:18.715Z","entity":{"id":"svc-x402_endpoint_preflight","type":"X402_RESOURCE","typeTags":["PAID_API","SERVICE","PRODUCT"],"name":"x402 endpoint preflight","description":"Find out what an x402 endpoint will charge before you pay it. Probes the endpoint, reads the challenge from the header or the body, and returns the decoded price, network, asset and payTo plus the declared input and output schemas. Never sends a payment. Only reviewed origins are reachable, and a redirect is refused rather than followed.","aliases":[],"urls":["https://api.zfinia.com/x402/v1/x402-endpoint-preflight"],"identifiers":[{"kind":"service_id","value":"x402_endpoint_preflight"},{"kind":"route","value":"/x402/v1/x402-endpoint-preflight"}],"firstParty":true,"evidence":{"sourceUrl":"https://api.zfinia.com/.well-known/x402.json","sourceType":"owned_x402_catalog","observedAt":null,"sourcePublishedAt":null,"retrievedAt":null,"excerptHash":null,"confidence":null,"classification":"VERIFIED","provenance":null,"method":"product_registry_adapter","independentlyCorroborated":false}},"relationships":[{"id":"svc-x402_endpoint_preflight:ACCEPTS_PAYMENT_VIA:x402","from":"svc-x402_endpoint_preflight","type":"ACCEPTS_PAYMENT_VIA","to":"x402","validFrom":null,"validTo":null,"evidence":{"sourceUrl":"https://zfinia.com/methodology","sourceType":"sourced_archive","observedAt":null,"sourcePublishedAt":null,"retrievedAt":null,"excerptHash":null,"confidence":null,"classification":"VERIFIED","provenance":"ARCHIVE_ENTITIES","method":"in_repo_sourced_archive","independentlyCorroborated":false}},{"id":"svc-x402_endpoint_preflight:PRICED_IN:usdc","from":"svc-x402_endpoint_preflight","type":"PRICED_IN","to":"usdc","validFrom":null,"validTo":null,"evidence":{"sourceUrl":"https://zfinia.com/methodology","sourceType":"sourced_archive","observedAt":null,"sourcePublishedAt":null,"retrievedAt":null,"excerptHash":null,"confidence":null,"classification":"VERIFIED","provenance":"ARCHIVE_ENTITIES","method":"in_repo_sourced_archive","independentlyCorroborated":false}},{"id":"svc-x402_endpoint_preflight:RUNS_ON:base","from":"svc-x402_endpoint_preflight","type":"RUNS_ON","to":"base","validFrom":null,"validTo":null,"evidence":{"sourceUrl":"https://zfinia.com/methodology","sourceType":"sourced_archive","observedAt":null,"sourcePublishedAt":null,"retrievedAt":null,"excerptHash":null,"confidence":null,"classification":"VERIFIED","provenance":"ARCHIVE_ENTITIES","method":"in_repo_sourced_archive","independentlyCorroborated":false}},{"id":"zfinia:OFFERS:svc-x402_endpoint_preflight","from":"zfinia","type":"OFFERS","to":"svc-x402_endpoint_preflight","validFrom":null,"validTo":null,"evidence":{"sourceUrl":"https://zfinia.com/methodology","sourceType":"sourced_archive","observedAt":null,"sourcePublishedAt":null,"retrievedAt":null,"excerptHash":null,"confidence":null,"classification":"VERIFIED","provenance":"ARCHIVE_ENTITIES","method":"in_repo_sourced_archive","independentlyCorroborated":false}}],"events":[],"observations":[{"entityId":"svc-x402_endpoint_preflight","field":"price_atomic_usdc","value":"4000","at":"2026-10-15T15:37:18.715Z","evidence":{"sourceUrl":"https://api.zfinia.com/.well-known/x402.json","sourceType":"owned_x402_catalog","observedAt":null,"sourcePublishedAt":null,"retrievedAt":null,"excerptHash":null,"confidence":null,"classification":"VERIFIED","provenance":null,"method":"product_registry_price","independentlyCorroborated":false}}],"machineUrl":"/v1/graph/entities/svc-x402_endpoint_preflight","humanUrl":"/entities/svc-x402_endpoint_preflight"}