curl --request POST \
  --url https://external.nebius.tensormesh.ai/v1/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-User-Id: <x-user-id>' \
  --data '
{
  "model": "openai-gpt-oss-120b-gpu-type-h200x1_8nic16",
  "prompt": "Reply with ok."
}
'

{
  "id": "cmpl_123",
  "object": "text_completion",
  "created": 123,
  "model": "<string>",
  "choices": [
    {
      "index": 123,
      "text": "<string>",
      "finish_reason": "<string>",
      "logprobs": {},
      "stop_reason": "<string>"
    }
  ],
  "usage": {
    "prompt_tokens": 123,
    "total_tokens": 123,
    "completion_tokens": 123,
    "prompt_tokens_details": {}
  }
}