Developer Reference
Extension contract, hooks, modules, API
Developer Documentation Note
Documentation for encoded distributions
Extension Stability & Support Contract
Explicit guarantees for third-party developers
Versioning and Change Management
API versioning, backward compatibility, deprecation policy
Outgoing Webhooks
Events, payload format, HMAC-SHA256 signature
Hook System Summary
addAction, addFilter, priority
Creating Custom Modules
ModuleInterface, gateway, server, registrar modules
Minimal Module Examples
Copy-paste gateway, server, registrar, SMS, addon starters
Directory Structure
Core directories, includes, modules
Database Schema
Core tables, columns, safe vs unsupported
Integrating with External Systems
API, webhooks, hooks for CRM, accounting, automation