curl --request GET \
  --url https://api.example.com/knowledge_bases/embedding_models \
  --header 'x-user-id: <x-user-id>'

{
  "providers": [
    {
      "credential": {
        "data": {},
        "id": "<string>",
        "updated_at": "2023-11-07T05:31:56Z",
        "created_at": "2023-11-07T05:31:56Z",
        "user_id": "<string>"
      },
      "models": [
        {
          "name": "<string>",
          "label": "<string>",
          "dimensions": 123,
          "type": "embedding_model",
          "status": "active",
          "input_types": [
            "text/plain"
          ],
          "output_types": [
            "application/x-embedding"
          ],
          "supported_dimensions": [
            123
          ],
          "context_size": 1,
          "parameter_schema": {},
          "parameter_overrides": {}
        }
      ]
    }
  ],
  "policy": {
    "dimension": 123
  }
}