Web Chat setup guide
Open WebUI custom API setup
Connect Open WebUI to CallAI OpenAI-compatible endpoints for Claude 3.7, DeepSeek R1, and GPT-4o.
📋 Open WebUI config cheatsheetProduction-ready
OpenAI API URL
https://api.callaiapi.com/v1
OpenAI API Key
sk-live-your-callai-key
Recommended models for Open WebUI
Step-by-step setup
1
Admin → Connections
Enable OpenAI API, set URL to https://api.callaiapi.com/v1, paste key.
Troubleshooting
❌ Symptom:Docker cannot resolve DNS
💡 Fix: Fix host DNS or set dns: [8.8.8.8, 1.1.1.1] in compose.
Deep-dive guide
Want advanced tips, rules files, and common pitfalls for Open WebUI?
API still unreachable after setup?
Use the HTTP status checker to test connectivity and diagnose 403 / 401 errors.