Chat Completions

POST https://cpa.momoyai.com/v1/chat/completions

Request body

Field	Type	Required	Description
`model`	string	Yes	A model ID returned by `/v1/models`.
`messages`	array	Yes	Conversation messages in order.
`stream`	boolean	No	Return a server-sent event stream when `true`.
`temperature`	number	No	Adjust output randomness when supported by the target model.

Non-streaming request

curl https://cpa.momoyai.com/v1/chat/completions \
  -H "Authorization: Bearer $MOMOYAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.4",
    "messages": [
      {"role": "system", "content": "Be concise and accurate."},
      {"role": "user", "content": "What is idempotency?"}
    ]
  }'

Read the first text response defensively:

const content = response.choices[0]?.message.content ?? "";

Streaming request

Set stream to true. Consume Server-Sent Events incrementally and close the connection on cancellation, network failure, or timeout. See Streaming.