Codex Auth API
Text
Image
connect Codex in dashboard
Dashboard
Login
Params
Clear chat
Local Codex sign in
Sign out
+
🎤
Send
Model
Reasoning effort
System prompt
Size
1024 × 1024 (square)
1536 × 1024 (landscape)
1024 × 1536 (portrait)
Quality
low
medium
high
Voice (text-to-speech)
Auto-play replies
Your API key
Copy key
Create new key
Endpoint
Code
curl
python
javascript
Copy snippet
codexauthapi.dev exposes an OpenAI-compatible API backed by the host's Codex/ChatGPT session. Keys identify playground clients — they are not OpenAI keys.