{"openapi":"3.1.0","info":{"title":"GET /api/v1/public/mandates/verify","version":"1.0.0","description":"Verify a payment mandate signature (unauthenticated)"},"servers":[{"url":"https://api.ondayzero.com","description":"Production"}],"paths":{"/api/v1/public/mandates/verify":{"get":{"tags":["mandates-public"],"summary":"Verify a payment mandate signature (unauthenticated)","description":"Whether `signature` matches the stored canonical mandate `mandate_id`. Returns `valid` with the per-payment ceiling band, or `invalid`; never an amount, a vendor or a name. Rate-limited per IP.","operationId":"verify_public_mandate","parameters":[{"name":"mandate_id","in":"query","required":true,"schema":{"type":"string","minLength":1,"maxLength":128,"title":"Mandate Id"}},{"name":"signature","in":"query","required":true,"schema":{"type":"string","minLength":1,"maxLength":128,"title":"Signature"}}],"responses":{"200":{"description":"Successful Response","content":{"application/json":{"schema":{"$ref":"#/components/schemas/SuccessEnvelope_MandateVerifyResponse_"}}}},"429":{"description":"Too Many Requests - Rate limit exceeded; back off and retry","content":{"application/json":{"example":{"error":"rate_limited","message":"Too many requests. Please slow down.","code":"GEN_005","request_id":"3f0e7c2a-9b4d-4e1a-8c6f-2d5b7a1e9c30"},"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"422":{"description":"Validation Error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"},"example":{"error":"validation_error","message":"Validation failed: amount: Input should be a valid integer","errors":{"amount":"Input should be a valid integer"},"code":"GEN_002","request_id":"3f0e7c2a-9b4d-4e1a-8c6f-2d5b7a1e9c30"}}}}},"x-fastapi-operation-id":"verify_public_mandate_api_v1_public_mandates_verify_get"}}},"components":{"schemas":{"MandateVerifyResponse":{"properties":{"status":{"type":"string","enum":["valid","invalid"],"title":"Status"},"ceiling_band":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Ceiling Band","description":"Per-payment ceiling band of a valid mandate: under_100, 100_to_1k, 1k_to_10k, 10k_to_100k or over_100k. Null when invalid."},"checked_at":{"type":"string","format":"date-time","title":"Checked At"}},"type":"object","required":["status","checked_at"],"title":"MandateVerifyResponse","description":"What the public verifier reveals: validity and the ceiling band only."},"SuccessEnvelope_MandateVerifyResponse_":{"properties":{"success":{"type":"boolean","title":"Success","default":true},"message":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Message"},"code":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Code"},"data":{"anyOf":[{"$ref":"#/components/schemas/MandateVerifyResponse"},{"type":"null"}]}},"additionalProperties":true,"type":"object","title":"SuccessEnvelope[MandateVerifyResponse]"},"ErrorResponse":{"title":"ErrorResponse","type":"object","description":"Envelope returned by every non-2xx response. Branch on `code` (stable) rather than `message` (human-readable, may change).","required":["error","message","code"],"properties":{"error":{"type":"string","description":"Error category: `validation_error`, `unauthorized`, `forbidden`, `not_found`, `conflict`, `rate_limited`, `server_error`, or `service_unavailable`."},"message":{"type":"string","description":"Human-readable explanation, safe to show to end users."},"code":{"type":"string","description":"Stable machine-readable code in `CATEGORY_NNN` form (e.g. `NOT_FOUND_006`, `AUTH_010`, `GEN_002`)."},"request_id":{"type":"string","description":"Correlation id for support requests. Echoes the `x-request-id` request header when one was supplied."},"errors":{"type":"object","additionalProperties":{"type":"string"},"description":"Field-level validation messages keyed by field name. Present on 400/422 validation failures only."}}}},"securitySchemes":{"BearerAuth":{"type":"http","scheme":"bearer","bearerFormat":"API Token","description":"API token authentication. Format: `Bearer dz_...`"}}},"security":[{"BearerAuth":[]}]}