Chat Completions

/v1/chat/completions is the OpenAI Chat Completions compatible entrypoint. OpenAI groups use the OpenAI-compatible path; other groups are converted by the gateway when supported.

Interface

Item	Value
Method	POST
Path	/v1/chat/completions
Content-Type	application/json
Authentication	Authorization: Bearer YOUR_API_KEY

Request Parameters

Parameter	Type	Required	Description
model	string	Yes	Requested model.
messages	array	Yes	OpenAI Chat Completions message array.
stream	boolean	No	Whether to stream the response.
temperature	number	No	Sampling temperature, forwarded when supported upstream.
max_tokens	integer	No	Maximum output tokens, forwarded when supported upstream.

Request Example

curl https://llmapi.site/v1/chat/completions \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "gpt-5.1",
    "messages": [
      { "role": "user", "content": "Hello" }
    ]
  }'

Compatible Path

Some clients use the path without /v1:

POST /chat/completions

This path points to the same gateway capability as /v1/chat/completions.