{"slug":"api-zfinia-com-x402-v1-x402-seller-migration-impact-9b422d","title":"Find out what a seller’s change breaks for one specific buyer","host":"api.zfinia.com","method":"POST","resource":"https://api.zfinia.com/x402/v1/x402-seller-migration-impact","category":"market","description":"Find out what a seller’s change breaks for one specific buyer. You declare which resources you call and what your wallet supports; changes to anything else are counted and set aside, because blocking your own upgrade on somebody else’s change is the mistake this prevents. Reports a resource you use ","price_listed":0.22,"price_asked":null,"state":"no_terms","state_label":"Answers HTTP 429 without x402 payment terms","checks_7d":1,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"after":[{"challenge":{"accepts":[{"amount":"5000","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:1","payTo":"0xa1b2c30000000000000000000000000000009f8e","scheme":"exact"}],"extensions":{"bazaar":{"schema":{"properties":{"input":{"type":"object"},"output":{"type":"object"}}}}},"resource":{"description":"Paid resource at https://api.merchant.test/v1/score","mimeType":"application/json","url":"https://api.merchant.test/v1/score"},"x402Version":2},"url":"https://api.merchant.test/v1/score"},{"challenge":{"accepts":[{"amount":"18000","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","payTo":"0xa1b2c30000000000000000000000000000009f8e","scheme":"exact"}],"extensions":{"bazaar":{"schema":{"properties":{"input":{"type":"object"},"output":{"type":"object"}}}}},"resource":{"description":"Paid resource at https://api.merchant.test/v1/enrich","mimeType":"application/json","url":"https://api.merchant.test/v1/enrich"},"x402Version":2},"url":"https://api.merchant.test/v1/enrich"}],"before":[{"challenge":{"accepts":[{"amount":"5000","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","payTo":"0xa1b2c30000000000000000000000000000009f8e","scheme":"exact"}],"extensions":{"bazaar":{"schema":{"properties":{"input":{"type":"object"},"output":{"type":"object"}}}}},"resource":{"description":"Paid resource at https://api.merchant.test/v1/score","mimeType":"application/json","url":"https://api.merchant.test/v1/score"},"x402Version":2},"url":"https://api.merchant.test/v1/score"},{"challenge":{"accepts":[{"amount":"12000","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","payTo":"0xa1b2c30000000000000000000000000000009f8e","scheme":"exact"}],"extensions":{"bazaar":{"schema":{"properties":{"input":{"type":"object"},"output":{"type":"object"}}}}},"resource":{"description":"Paid resource at https://api.merchant.test/v1/enrich","mimeType":"application/json","url":"https://api.merchant.test/v1/enrich"},"x402Version":2},"url":"https://api.merchant.test/v1/enrich"},{"challenge":{"accepts":[{"amount":"2000","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"eip155:8453","payTo":"0xa1b2c30000000000000000000000000000009f8e","scheme":"exact"}],"extensions":{"bazaar":{"schema":{"properties":{"input":{"type":"object"},"output":{"type":"object"}}}}},"resource":{"description":"Paid resource at https://api.merchant.test/v1/legacy","mimeType":"application/json","url":"https://api.merchant.test/v1/legacy"},"x402Version":2},"url":"https://api.merchant.test/v1/legacy"}],"buyer":{"assets":["0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"],"max_amount_atomic":"20000","name":"settlement-agent","networks":["eip155:8453"],"resources":["https://api.merchant.test/v1/score","https://api.merchant.test/v1/enrich"],"schemes":["exact"],"versions":[2]}},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"after":{"items":{},"maxItems":200,"minItems":1,"type":"array"},"before":{"items":{},"maxItems":200,"minItems":1,"type":"array"},"buyer":{"additionalProperties":false,"properties":{"assets":{"items":{"maxLength":128,"type":"string"},"maxItems":100,"minItems":1,"type":"array"},"max_amount_atomic":{},"name":{"maxLength":64,"type":"string"},"networks":{"items":{"maxLength":128,"type":"string"},"maxItems":50,"minItems":1,"type":"array"},"resources":{"items":{"maxLength":2048,"type":"string"},"maxItems":500,"minItems":1,"type":"array"},"schemes":{"items":{"maxLength":64,"type":"string"},"maxItems":10,"minItems":1,"type":"array"},"versions":{"items":{},"maxItems":10,"minItems":1,"type":"array"}},"required":["networks","resources"],"type":"object"}},"required":["before","after","buyer"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-04","reachable":true,"status":429,"valid_402":false,"asked_usdc":null,"price_match":null,"latency_ms":239,"error":null}],"description_full":"Find out what a seller’s change breaks for one specific buyer. You declare which resources you call and what your wallet supports; changes to anything else are counted and set aside, because blocking your own upgrade on somebody else’s change is the mistake this prevents. Reports a resource you use becoming unpayable by you, moving to an unsupported version, changing payee, or rising in price. Nothing is paid.","last_updated":"2026-10-04T08:08:51.948Z","schemes":["exact"]}