curl --request GET \
  --url https://api.promptmetrics.dev/llm-provider/modals \
  --header 'Authorization: <api-key>'

{
  "responseData": [
    {
      "_id": "<string>",
      "name": "<string>",
      "slug": "<string>",
      "models": [
        {
          "_id": "<string>",
          "name": "<string>",
          "model_id": "<string>",
          "context_length": 123,
          "input_cost": 123,
          "output_cost": 123
        }
      ]
    }
  ]
}