Customer Identity Verification (Bring Your Own Auth)
Connect your authentication system to cStar so customers can use their existing account for support conversations.
Technical
21 articles
Custom Chat Widget (Composable Mode)
Build your own chat UI with our lightweight SDK. Full control over HTML, CSS, and behavior.
Importing Articles from Zendesk Help Center
Migrate your Zendesk Help Center articles to cStar. Titles, content, tags preserved.
API Changelog
Version history and release notes for the cStar REST API. Track new features, improvements, and breaking changes.
Error Codes Reference
Complete reference of API error codes with explanations and resolution steps.
Webhook Troubleshooting
Common webhook issues and how to resolve them. Debug delivery failures, timeouts, and configuration problems.
Webhook Security
Learn how to verify webhook signatures using HMAC-SHA256 to ensure payloads are authentic.
Webhook Events Reference
Complete reference of all webhook event types with example payloads for tickets, customers, articles, and gamification.
Webhooks Overview
Real-time notifications when stuff happens. Set up, subscribe, automate.
Articles API Reference
Complete reference for the Knowledge Base Articles API. Create, publish, and manage KB articles programmatically.
Customers API Reference
Complete reference for the Customers API. Manage customer records, tags, and custom fields programmatically.
Tickets API Reference
Complete reference for the Tickets API. Create, update, list, and close support tickets programmatically.
API Rate Limits
Understand rate limiting, response headers, and how to handle 429 errors gracefully.
API Authentication
Learn about API key types, authentication methods, and security best practices for the cStar API.
Getting Started with the cStar API
Make your first API call in under 5 minutes. Get your key, hit an endpoint, see results.
Keyboard Shortcuts
Learn about keyboard shortcuts.
Import and Export Data
Learn about import and export data.
Knowledge Base Widget
Learn about knowledge base widget.
Chat Widget Setup
Learn about chat widget setup.
Quick Replies Setup
Learn about quick replies setup.
SLA Management Guide
Master your SLA targets to earn bonus XP and climb the leaderboard. Gold SLA performance means better multipliers.