Codex Auth API
Text
Image
Params
connect Codex in dashboard
Playground
Audio
Voice Lab
Speech-to-Text
Text-to-Speech
API Docs
Usage
Dashboard
+
🎤
Send
Model
Reasoning effort
System prompt
Size
1024 × 1024 (square)
1536 × 1024 (landscape)
1024 × 1536 (portrait)
Quality
low
medium
high
Codex voice
Alloy
Ash
Ballad
Cedar
Coral
Echo
Marin
Sage
Shimmer
Verse
Auto-play replies
Your API key
Copy key
Create new key
Endpoint
Code
curl
python
javascript
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codexauthapi.dev exposes an OpenAI-compatible API backed by the signed-in user's connected Codex/ChatGPT session. In OpenAI SDKs, change only the base URL and API key.
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Codex Auth API