IDE setup guide
Windsurf IDE custom API setup
Point Windsurf at CallAI with a custom Base URL. Use Claude 3.7 Sonnet and GPT-4o with Cascade multi-file editing and fast streaming.
📋 Windsurf IDE config cheatsheetProduction-ready
API Base URL
https://api.callaiapi.com/v1
API Key
sk-live-your-callai-key
Recommended models for Windsurf IDE
Step-by-step setup
1
Open Windsurf model settings
Gear → Advanced Settings → AI Model Provider.
2
Add OpenAI-compatible upstream
Set Base URL to https://api.callaiapi.com/v1 and paste your key.
Base URL: https://api.callaiapi.com/v1 API Key: sk-live-your-callai-key
Troubleshooting
❌ Symptom:Cascade feels slow
💡 Fix: Pick claude-3-7-sonnet or gpt-4o when you do not need slow reasoning — TTFT can be ~200ms.
Deep-dive guide
Want advanced tips, rules files, and common pitfalls for Windsurf IDE?
API still unreachable after setup?
Use the HTTP status checker to test connectivity and diagnose 403 / 401 errors.