{"ucp":{"version":"2026-08-25","services":{"dev.ucp.shopping":[{"version":"2026-08-25","spec":"https://ucp.dev/2026-08-25/specification/overview/","transport":"rest","endpoint":"https://aztrix.io/api/ucp/checkout","schema":"https://ucp.dev/2026-08-25/services/shopping/rest.openapi.json"}]},"capabilities":{"dev.ucp.shopping.checkout":[{"version":"2026-08-25","spec":"https://ucp.dev/2026-08-25/specification/shopping/checkout/","schema":"https://ucp.dev/2026-08-25/schemas/shopping/checkout.json"}],"dev.ucp.common.payment.ap2_mandate":[{"version":"2026-08-25","spec":"https://ucp.dev/2026-08-25/specification/payment/extensions/ap2-mandates/","schema":"https://ucp.dev/2026-08-25/schemas/common/payment_ap2_mandate.json","extends":"dev.ucp.shopping.checkout","config":{"vp_formats_supported":{"dc+sd-jwt":{}}}}]},"payment_handlers":{}},"keys":[{"kid":"wAQWk_5ij41DmpKIVHdM72Pa18A0DAgciUV5czdiIkE","kty":"EC","crv":"P-256","x":"xvGwn2mL0Vz7f1b5QvWJBiy6fOq-TUYO2kLHAre3NMI","y":"hCMLSKCxp_iEOnaEsmgnfDYl-tuuuSdX9B9TOqpNgBo","use":"sig","alg":"ES256"}],"x-aztrix":{"merchant":{"id":"4de486b5-808a-42a8-9a24-9b3ed918789e","name":"Localiza Seminovos","description":"Maior vendedora de carros seminovos do Brasil. 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Each UCP-enabled merchant has one; obtain it from the merchant directly or via Aztrix support. It is a shared secret for calling checkout, not one of the keys below. Programmatic key minting is a planned API."}],"required_headers":[{"name":"X-API-Key","description":"Aztrix-issued agent key (see schemes above)."},{"name":"X-Merchant-Id","description":"Listing UUID for the merchant. Use the value from x-aztrix.merchant.id in this manifest. Also accepted as ?merchant_id= query param."},{"name":"Request-Id","format":"uuid-v4","description":"Per-request correlation + idempotency tag. Must be unique unless deliberately retrying."},{"name":"Content-Type","value":"application/json"}],"optional_headers":[{"name":"Idempotency-Key","description":"Reuse the same value to safely retry a POST without creating duplicate sessions."},{"name":"UCP-Agent","format":"profile=\"<https url of your UCP profile>\"","description":"RFC 8941 dictionary naming the calling platform's profile. Used for capability negotiation."}]},"request_example":{"merchant_domain":"seminovos.localiza.com.br","currency":"BRL","items":[{"id":"5139e926-5945-483f-b9a0-44bddc200d32","quantity":1}],"buyer":{"first_name":"<string>","last_name":"<string>","email":"<rfc5322>"},"shipping_address":{"street":"<string>","city":"<string>","postal_code":"<string>","country":"<string>","country_code":"<iso-3166-1-alpha-2>"}},"response_example":{"ucp":{"version":"2026-08-25","payment_handlers":{}},"id":"<uuid>","status":"<incomplete | requires_escalation | ready_for_complete | complete_in_progress | completed | canceled>","currency":"BRL","line_items":[],"totals":[{"type":"subtotal","amount":0},{"type":"total","amount":0}],"links":[{"type":"privacy_policy","url":"<uri>"},{"type":"terms_of_service","url":"<uri>"}],"messages":[]},"follow_up_operations":[{"id":"get_session","method":"GET","endpoint":"https://aztrix.io/api/ucp/checkout/checkout-sessions/{id}"},{"id":"update_session","method":"PUT","alternate_methods":["POST"],"endpoint":"https://aztrix.io/api/ucp/checkout/checkout-sessions/{id}"},{"id":"complete_session","method":"POST","endpoint":"https://aztrix.io/api/ucp/checkout/checkout-sessions/{id}/complete"},{"id":"cancel_session","method":"POST","endpoint":"https://aztrix.io/api/ucp/checkout/checkout-sessions/{id}/cancel"}]}}}