curl --request GET \
  --url https://api.helicone.ai/v2/experiment \
  --header 'Authorization: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "name": "<string>",
      "original_prompt_version": "<string>",
      "copied_original_prompt_version": "<string>",
      "input_keys": [
        "<string>"
      ],
      "created_at": "<string>"
    }
  ],
  "error": null
}