Codex API Key
Codex API Key Access for Builders
A Codex API Key buyer-intent page for users looking for an API key they can paste into Codex CLI, IDE agents, scripts, or OpenAI-compatible clients.
Clear distinction between dashboard keys and private owner-side secrets
Links to pricing and relay setup where conversion happens
Codex API key demand is high-intent traffic
Users searching for Codex API key, OpenAI Codex API key, or ChatGPT API key for Codex often have an immediate tool configuration problem. This page should satisfy that intent with setup values, pricing context, and a clear path to get access.
- Put Codex API key in the title, H1, opening paragraph, and FAQ.
- Explain which key goes into client tools.
- Link users to pricing and setup snippets without burying the conversion path.
Customer API key versus private relay secrets
The safe product boundary is simple: customers receive a dashboard API key for the relay, while platform credentials, owner-side Codex access, prompt files, prehooks, and internal relay configuration remain private.
- Never ask users to paste owner-side OpenAI Platform keys into the relay.
- Validate dashboard keys before forwarding requests.
- Use separate revocation, billing, and rate-limit controls for customer keys.
Free, paid, and fair-use API key expectations
Free API key searches can bring traffic, but the copy should frame free access as setup validation rather than unlimited usage. Paid tiers should be positioned around real coding-agent capacity, priority, and fair-use windows.
- Free access confirms key, endpoint, model, and streaming setup.
- Paid access supports daily and high-frequency agent sessions.
- Fair-use language prevents mismatch between search intent and runtime capacity.
Codex API setup snippets
Copy the same base URL, API key, and model pattern into Codex CLI-style clients, Cursor, Cline, Open WebUI, curl, or custom OpenAI-compatible SDK calls.
Codex/API quickstart
Copy these Codex API values into Codex CLI-style tools, OpenAI-compatible SDKs, Cursor, Cline, or Open WebUI. The frontend endpoint validates your dashboard API key before forwarding to the private relay; the same account can also be used as a Codex usage subscription.
base_url
https://codexcliapi.com/api/v1/codexapi_key
cps_live_your_api_keymodel
gpt-5.4-miniThree-line curl
curl -N "https://codexcliapi.com/api/v1/codex/chat/completions" \
-H "Authorization: Bearer cps_live_your_api_key" \
-H "Content-Type: application/json" \
-d '{"model":"gpt-5.4-mini","stream":true,"messages":[{"role":"user","content":"Say hello from the relay"}]}'Cursor
Provider: OpenAI Compatible
Base URL: https://codexcliapi.com/api/v1/codex
API Key: cps_live_your_api_key
Model: gpt-5.4-miniCline
API Provider: OpenAI Compatible
Base URL: https://codexcliapi.com/api/v1/codex
API Key: cps_live_your_api_key
Model ID: gpt-5.4-mini
Streaming: enabledOpen WebUI
Connection type: OpenAI API compatible
API Base URL: https://codexcliapi.com/api/v1/codex
API Key: cps_live_your_api_key
Model: gpt-5.4-miniUse the dashboard API key issued here. Do not paste owner-side OpenAI Platform keys, ChatGPT/Codex OAuth tokens, or private relay internal keys into Codex CLI or client tools.
Related Codex API searches
Codex API
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Codex CLI API
Best for exact-match Codex CLI API searches plus modifiers like key, URL, token, cost, limit, and not working.
Codex CLI
Best for install, setup, docs, Windows, update, usage, login, and API key searches around Codex CLI.
OpenAI Codex API
Best for branded OpenAI Codex API searches where the visitor needs an endpoint, key, price, or compatible alternative.
Codex API pricing
Compare free validation, daily use, heavy coding agent, and high-frequency API access tiers.
Codex API key dashboard
Manage customer-facing keys for the Codex relay after signing in.
Codex API Key FAQ
How do I get a Codex API key?
Create or purchase access through the dashboard flow, then use the issued customer API key with the relay base URL and model name shown in the quickstart.
Can I use a ChatGPT API key as a Codex API key?
This relay expects a dashboard-issued customer API key. Owner-side ChatGPT, Codex, OAuth, or OpenAI Platform credentials should not be pasted into client tools.
Is there a free Codex API key tier?
Free access is positioned for setup validation. Real coding-agent usage should use paid capacity with fair-use, queueing, and upgrade controls.