# TECOBI API Documentation > Technical references for integrating external systems with TECOBI. Canonical documentation hub: https://www.tecobi.com/resources/api-docs/ ## Integration Rules - Keep TECOBI API credentials server-side. - Follow the version, authentication, payload, and response behavior documented for each endpoint. - Send only supported values for fields with enumerated choices. - Contact TECOBI before relying on undocumented behavior. ## API References - [Lead Post Webhook API](https://www.tecobi.com/resources/api-docs/lead-post/): POST /api/v4/webhooks/lead-post/. Post one JSON lead at a time into TECOBI for lead creation, matching, assignment, appointment creation, and follow-up. Machine-readable reference: https://www.tecobi.com/resources/api-docs/lead-post/llms.txt