401Missing, invalid, or expired API key.
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Connect to the Codex API in minutes.
Pointer API keys share model routing, balance, spend controls, and history. API and payment routes never use locale prefixes.
1. API key
2. Request
POST https://api.zencoder.dev/v1/codex
Create a key in the dashboard. The full secret is shown only once.
curl https://api.zencoder.dev/v1/codex \
+ -H "Authorization: Bearer ck_your_key" \
+ -H "Content-Type: application/json" \
+ -d '{
"model": "gpt-5.3-codex",
"messages": [{"role":"user","content":"Review this patch for correctness"}]
}'Authentication and errors
402Insufficient Pointer credit balance.
429Rate or configured spend limit reached.