curl --request GET \
  --url https://api.arize.com/v2/prompts/{prompt_id}/versions \
  --header 'Authorization: Bearer <token>'

{
  "prompt_versions": [
    {
      "id": "pv_002",
      "prompt_id": "prompt_001",
      "commit_hash": "def789ghi012",
      "commit_message": "Updated system prompt",
      "messages": [
        {
          "role": "system",
          "content": "You are a helpful assistant."
        }
      ],
      "input_variable_format": "f_string",
      "provider": "open_ai",
      "model": "gpt-4",
      "created_at": "2024-01-02T12:00:00Z",
      "created_by_user_id": "user_12345"
    },
    {
      "id": "pv_001",
      "prompt_id": "prompt_001",
      "commit_hash": "abc123def456",
      "commit_message": "Initial version",
      "messages": [
        {
          "role": "system",
          "content": "You are an assistant."
        }
      ],
      "input_variable_format": "f_string",
      "provider": "open_ai",
      "model": "gpt-4",
      "created_at": "2024-01-01T12:00:00Z",
      "created_by_user_id": "user_12345"
    }
  ],
  "pagination": {
    "next_cursor": "cursor_12345",
    "has_more": true
  }
}