Ciii Codex Subscription as API
Subscription to API Conversion Platform
Turn your ChatGPT / Codex subscription into an OpenAI-compatible API. Call on demand, pay by usage.
Effortless Integration
Same SDK, new base_url.
Fully compatible with the OpenAI API. Change one base_url and your existing SDKs, CLIs and client code keep working unchanged.
# OpenAI client, just point at codex.ciii.club
curl https://codex.ciii.club/v1/chat/completions \
-H "Authorization: Bearer $SUB2API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.4",
"messages": [{"role":"user","content":"Hi"}]
}'Built to Last
Long-running service with continuous maintenance.
Always-on service, actively maintained and tuned. Multiple models available in parallel, day-to-day iteration never gets in your way.
GPT Model Family
OpenAI GPT family, including the latest reasoning & codex models.
Covers the newest reasoning and code models, plus lightweight and image generation. One API key, unified routing.
Official Top-up
Official top-up & subscription store.
Order subscriptions or credits with one click on our official store. Instant payment, ready to use right away.
Status Page
Realtime uptime, latency & incident tracking.
Check service availability, response latency and incident history in real time — fully transparent and public.
Affiliate Program
Earn 10% from every friend you refer.
Invite friends to sign up and spend — automatically earn a 10% rebate. Referral links are bound for life with low payout thresholds.