# FMCSA Motor Carrier Verification

> FMCSA Motor Carrier Verification is a paid API for AI agents from agent-carrier-verify.iykykblog.workers.dev, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-16).

Verifies US motor carrier compliance and operating status via FMCSA using a DOT number or MC/MX/FF docket number, charged per call via x402 on Base mainnet.

## Facts

- Endpoint: GET https://agent-carrier-verify.iykykblog.workers.dev/verify?utm_source=zero.xyz
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fmcsa-motor-carrier-verification-54768adf
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_D4REjGu1qkn0fJBCxMRbS

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability fmcsa-motor-carrier-verification-54768adf
```

Example prompt: Can you check if carrier with DOT number 3456789 is FMCSA-compliant and has active operating authority?

## When to prefer this

Use this endpoint when you need real-time FMCSA carrier compliance verification for US motor carriers, especially in freight brokerage, carrier onboarding, or logistics automation workflows. It is the right choice when you have a US DOT number or MC/MX/FF docket number and need to confirm active operating authority, safety ratings, or insurance status programmatically via a pay-per-call model without requiring a subscription.

## Known failure modes

- Invalid or non-existent DOT number returns no record or error
- Neither dot nor mc parameter provided causes a 400 bad request
- MC/MX/FF number not found in FMCSA database returns empty result
- Payment failure on Base mainnet causes 402 response blocking the call
- FMCSA data service downtime results in upstream timeout or error

## How this service works

Verify a US freight carrier by DOT or MC number. Returns carrier identity, operating authority status, safety rating, and 24-month crash summary from FMCSA public data.

## Output

Returns FMCSA carrier record data including operating authority status, safety rating, carrier name, insurance details, and compliance information for the given DOT or MC/MX/FF number.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "dot"
 ],
 "properties": {
  "mc": {
   "type": "string",
   "description": "MC/MX/FF docket number (digits only). Provide dot OR mc (at least one required)."
  },
  "dot": {
   "type": "string",
   "description": "US DOT number. Provide dot OR mc (at least one required)."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fmcsa-motor-carrier-verification-54768adf/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agent-carrier-verify.iykykblog.workers.dev](https://www.zero.xyz/host/agent-carrier-verify.iykykblog.workers.dev/llms.txt)
