curl --request POST \
  --url https://api.opper.ai/v3/compat/embeddings \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": "<unknown>",
  "model": "<string>"
}
'

{
  "data": [
    {
      "embedding": [
        123
      ],
      "index": 123,
      "object": "<string>"
    }
  ],
  "model": "<string>",
  "object": "<string>",
  "usage": {
    "prompt_tokens": 123,
    "total_tokens": 123
  }
}