{"slug":"api-eckari-com-v1-parcels-detect-carrier-a3a576","title":"Identify which carrier issued a tracking number using a deterministic, versioned","host":"api.eckari.com","method":"GET","resource":"https://api.eckari.com/v1/parcels/detect-carrier","category":"other","description":"Identify which carrier issued a tracking number using a deterministic, versioned signature set - prefixes, lengths, carrier check digits and UPU S10 structure - returning the carrier, how distinctive the match is, every ranked candidate with typed evidence, and the parsed S10 details. No upstream ca","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1054,"reported_calls_30d":3,"reported_payers_30d":3,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"tracking_number":"1Z 879E93 03 4683 4440"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"additionalProperties":false,"properties":{"destination_country":{"description":"Optional ISO 3166-1 alpha-2 destination country hint. Used only as a small tie-breaker; it never invents a candidate.","pattern":"^[A-Za-z]{2}$","type":"string"},"origin_country":{"description":"Optional ISO 3166-1 alpha-2 origin country hint. Used only as a small tie-breaker; it never invents a candidate.","pattern":"^[A-Za-z]{2}$","type":"string"},"tracking_number":{"description":"Tracking or consignment number. Spaces and hyphens are removed and letters upper-cased before matching (4-40 letters and digits after normalisation). Digits and letters are never altered.","maxLength":60,"minLength":4,"pattern":"^[A-Za-z0-9 -]+$","type":"string"}},"required":["tracking_number"],"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":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":1054,"error":null}],"description_full":"Identify which carrier issued a tracking number using a deterministic, versioned signature set - prefixes, lengths, carrier check digits and UPU S10 structure - returning the carrier, how distinctive the match is, every ranked candidate with typed evidence, and the parsed S10 details. No upstream call and no carrier account required. Use when: Which carrier is this tracking number from?","last_updated":"2026-09-22T19:22:37.908Z","schemes":["exact"]}