16 articles
How to build GoHighLevel Custom Pages: get your app to load in the CRM iframe and securely decrypt the user context server-side via the postMessage SSO flow.
A production guide to GoHighLevel webhooks: subscribing to events, verifying the Ed25519 signature, acknowledging fast, and handling retries with idempotency.
GoHighLevel API v1 reached end-of-support. Here's exactly what changed in v2 and how to migrate your integration feature by feature, without a full rewrite.
When to use a GoHighLevel Private Integration Token and when to build a Marketplace app with OAuth, with a side-by-side comparison and a decision checklist.
A step-by-step OAuth 2.0 walkthrough for building a GoHighLevel marketplace app, with working Node.js code for install, callback, token storage, and refresh.
The complete guide to building on GoHighLevel: the three ways to develop, API v2 essentials, authentication, webhooks, and the rate limits you'll actually hit.