GPT and Codex API via a monthly card
Redeem a GPT / Codex card, create your own API key, and point an OpenAI-compatible client at https://api.apimonth.com/v1. Route identifiers do not use an openai/ prefix.
ApiMonth is not an official OpenAI website.
Endpoints on this line
POST /v1/chat/completionsPOST /v1/responseswss://api.apimonth.com/v1/responsesPOST /v1/images/generationsPOST /v1/images/edits
GPT Image uses POST /v1/images/generations and POST /v1/images/edits. Example identifiers: gpt-image-1.5, gpt-image-2. Image models are rejected on Chat Completions.
Example Chat Completions identifier: gpt-5.5. Query GET /v1/models for the list admitted by your active card.
Published token rates
These USD / 1M token figures are platform reference rates for quota accounting, not an upstream invoice. Access depends on an active GPT card.
| Model | Route id | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|
| GPT-6 Astra | gpt-6-astra | 272k | $10.00 | $50.00 |
| GPT-5.6 Sol | gpt-5.6-sol | 272k | $5.00 | $30.00 |
| GPT-5.6 Terra | gpt-5.6-terra | 272k | $2.50 | $15.00 |
| GPT-5.6 Luna | gpt-5.6-luna | 272k | $1.00 | $6.00 |
| GPT-5.5 | gpt-5.5 | 272k | $5.00 | $30.00 |
| GPT-5.3 Codex Spark | gpt-5.3-codex-spark | 400k | $0.25 | $2.00 |
| GPT-5.5 Pro | gpt-5.5-pro | 1,050k | $30.00 | $180.00 |
First request
curl https://api.apimonth.com/v1/chat/completions \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer YOUR_APIMONTH_API_KEY' \
-d '{"model":"gpt-5.5","messages":[{"role":"user","content":"Hello"}]}'GPT / Codex 专线
兑换 GPT / Codex 月卡后，可用 Chat Completions、Responses 和 Responses WebSocket。生图走 POST /v1/images/generations 与 /v1/images/edits。模型标识不要加 openai/ 前缀。ApiMonth 不是 OpenAI 官方网站。