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

{
  "id": "pv_001",
  "prompt_id": "prompt_001",
  "commit_hash": "abc123def456",
  "commit_message": "Updated system prompt",
  "messages": [
    {
      "role": "system",
      "content": "You are a helpful assistant."
    },
    {
      "role": "user",
      "content": "Hello, {name}!"
    }
  ],
  "input_variable_format": "f_string",
  "provider": "openAI",
  "model": "gpt-4",
  "invocation_params": {
    "temperature": 0.7,
    "max_tokens": 1000
  },
  "provider_params": {},
  "created_at": "2024-01-02T12:00:00Z",
  "created_by_user_id": "user_12345"
}