X3 Compliance API

DOT compliance, in your software.

X3 HazMat is part of the X3 compliance family. One X3 Compliance API key powers it all — DataQ violation scoring, HOS Part 395 log auditing, and California Clean Truck Check obligation lookups — through simple REST calls. Built for TMS, ELD, and safety platforms.

Get an API key View the docs

One key, three engines

# DataQ violation score
POST https://x3dataq.com/api/v1/score
# HOS Part 395 log audit
POST https://x3hos.com/api/v1/hos-score
# Clean Truck Check obligation
POST https://x3cleantruck.com/api/v1/ctc-score

x-api-key: x3q_live_••••••••

For X3 HazMat

X3 HazMat covers PHMSA hazmat compliance — placards, shipping papers, security plans. A dedicated hazmat classification & document generation endpoint is rolling out on the same key — tell us your use case and we'll enable it for your account.

{ "ok": true, "result": { ... },
"source": "verified", "disclaimer": "analysis, not legal advice" }

API pricing

One key, every X3 engine. Billed monthly by call volume.

Pick a plan → Stripe checkout → key emailed.

Starter

$199/mo

250 calls / mo

Growth

$499/mo

1,500 calls / mo

Scale

$1,499/mo

10,000 calls / mo

Request API access

Tell us what you're building. We enable keys after a quick fit check.