API Reference

Every VLANlab tool is backed by a REST API. All endpoints are free to use with no account required.

Base URL

https://vlanlab.com/api/v1

Auth

Pass X-API-Key: <key> header or ?key=<key> query param. Get a free key for 1,000 req/day.

Rate Limits

100 req/hour (free tier). Some endpoints have lower limits due to upstream costs (see individual endpoint notes). HTTP 429 when exceeded.

Response Format

{ "success": true, "data": { ... } }
{ "success": false, "error": { "code": "...", "message": "..." } }

DNS