{"slug":"eckari-458177a3","name":"Eckari","summary":"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?","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:16.477941Z","sources":[{"source":"x402_bazaar","external_id":"https://api.eckari.com/v1/parcels/detect-carrier","owner_address":"0x9d6b6fdb04040a55d58b24ff4c90c08cf6083c8f","seen_at":"2026-10-26T05:59:09.023207Z","removed_at":null}],"endpoints":[{"url":"https://api.eckari.com/v1/parcels/detect-carrier","host":"api.eckari.com","protocol":"x402","state":"live","last_probe_at":"2026-10-25T18:41:08.024132Z","last_ok_at":"2026-10-25T18:41:08.024132Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-eckari-com-677fe174","name":"api.eckari.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":5,"paid_calls_30d":5,"last_paid_at":"2026-10-23T22:16:23.890Z","reported_at":"2026-10-26T05:59:09.023207Z"},"notice":"Not affiliated with addrbook — claim or request removal."}