{"slug":"fmcsa-mcp-843680657471-us-central1-run-app-x402-lookup-carri-5ed735","title":"Use this when you already have a carrier's USDOT number and need its current pro","host":"fmcsa-mcp-843680657471.us-central1.run.app","method":"POST","resource":"https://fmcsa-mcp-843680657471.us-central1.run.app/x402/lookup_carrier","category":"other","description":"Use this when you already have a carrier's USDOT number and need its current profile: safety rating, authority status, insurance flags, fleet size. Returns Active, Inactive, and Pending carriers alike. Billed only when the number resolves to a real carrier; an unknown number is free.","price_listed":null,"price_asked":null,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":348,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"usdot_number":1234567},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"claimed_city":{"description":"Optional, part of an address claim.","type":"string"},"claimed_name":{"description":"Optional. A name to confirm against the carrier's own records (legal_name or dba_name) without ever receiving the value on file — e.g. to catch a carrier-identity-theft attempt.","type":"string"},"claimed_state":{"description":"Optional, part of an address claim.","type":"string"},"claimed_street":{"description":"Optional, part of an address claim.","type":"string"},"claimed_zip":{"description":"Optional, part of an address claim.","type":"string"},"usdot_number":{"description":"The carrier's USDOT number (its FMCSA registration number).","type":"integer"}},"required":["usdot_number"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST","PUT","PATCH"],"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":"2026-10-10","reachable":true,"status":402,"valid_402":true,"asked_usdc":null,"price_match":null,"latency_ms":348,"error":null}],"description_full":"Use this when you already have a carrier's USDOT number and need its current profile: safety rating, authority status, insurance flags, fleet size. Returns Active, Inactive, and Pending carriers alike. Billed only when the number resolves to a real carrier; an unknown number is free.","last_updated":"2026-10-08T23:58:58.316Z","schemes":["exact"]}