Legacy Completions

Endpoint

POST https://api.bve.me/v1/completions

Requires Authorization: Bearer sk-bve-YOUR_KEY.

Limitations

Streaming is not supported. Passing "stream": true returns a 400 error.
Array prompts are joined with \n\n before being sent as a single user message.
The emulated id is derived from the chat completion id (chatcmpl- → cmpl-).

Request body

{
  "model": "gpt-4o",
  "prompt": "The capital of France is",
  "max_tokens": 10
}

Field	Type	Required	Description
`model`	string	Yes	Model ID
`prompt`	string \| string[]	No	Prompt text. Arrays are joined with `\n\n`.
`max_tokens`	integer	No	Max tokens to generate
`temperature`	number	No	Sampling temperature
`top_p`	number	No	Nucleus sampling
`stop`	string \| array	No	Stop sequences
`presence_penalty`	number	No	Presence penalty
`frequency_penalty`	number	No	Frequency penalty
`user`	string	No	End-user identifier
`seed`	integer	No	Deterministic seed
`stream`	boolean	No	Must be `false` or omitted

Response

{
  "id": "cmpl-abc123",
  "object": "text_completion",
  "created": 1716288000,
  "model": "gpt-4o",
  "choices": [
    {
      "text": " Paris",
      "index": 0,
      "logprobs": null,
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 7,
    "completion_tokens": 2,
    "total_tokens": 9
  }
}

Streaming error

curl https://api.bve.me/v1/completions \
  -H "Authorization: Bearer sk-bve-YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "gpt-4o", "prompt": "Hello", "stream": true}'

Returns 400:

{
  "error": {
    "message": "Streaming legacy completions are not supported. Use /v1/chat/completions with stream=true.",
    "type": "invalid_request_error",
    "code": "unsupported_streaming_completion"
  }
}

cURL example

curl https://api.bve.me/v1/completions \
  -H "Authorization: Bearer sk-bve-YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-4o",
    "prompt": "The capital of France is",
    "max_tokens": 5
  }'