cURL Examples

GPT / Codex

Responses API

curl https://api.4i.codes/v1/responses \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -d '{
    "model": "gpt-5.6-sol",
    "input": [{
      "type": "message",
      "role": "user",
      "content": [{ "type": "input_text", "text": "Hello" }]
    }],
    "stream": true
  }'

Chat Completions API

curl https://api.4i.codes/v1/chat/completions \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -d '{
    "model": "gpt-5.6-sol",
    "messages": [{ "role": "user", "content": "Hello" }],
    "stream": true
  }'

Note

The Chat Completions response is converted from the Responses API. Some clients may have compatibility issues, and this endpoint does not support caching.

Claude

curl https://api.4i.codes/v1/messages \
  -H 'Content-Type: application/json' \
  -H 'x-api-key: YOUR_API_KEY' \
  -d '{
    "model": "claude-opus-4-8",
    "messages": [{
      "role": "user",
      "content": [{ "type": "text", "text": "Hello", "cache_control": { "type": "ephemeral" } }]
    }],
    "max_tokens": 32000,
    "stream": true
  }'

Both Authorization: Bearer and x-api-key authentication headers are supported.

Gemini

Integration pending, not yet available

4i.codes has not yet integrated Gemini models, so there is currently no working Gemini cURL example. Please wait for a future announcement.