curl https://api.portkey.ai/v1/threads/thread_abc123/runs/run_abc123/steps \
  -H "x-portkey-api-key: $PORTKEY_API_KEY" \
  -H "x-portkey-virtual-key: $PORTKEY_PROVIDER_VIRTUAL_KEY" \
  -H "Content-Type: application/json" \
  -H "OpenAI-Beta: assistants=v2"

{
  "object": "list",
  "data": [
    {
      "id": "<string>",
      "object": "thread.run.step",
      "created_at": 123,
      "assistant_id": "<string>",
      "thread_id": "<string>",
      "run_id": "<string>",
      "type": "message_creation",
      "status": "in_progress",
      "step_details": {
        "type": "message_creation",
        "message_creation": {
          "message_id": "<string>"
        }
      },
      "last_error": {
        "code": "server_error",
        "message": "<string>"
      },
      "expired_at": 123,
      "cancelled_at": 123,
      "failed_at": 123,
      "completed_at": 123,
      "metadata": {},
      "usage": {
        "completion_tokens": 123,
        "prompt_tokens": 123,
        "total_tokens": 123
      }
    }
  ],
  "first_id": "step_abc123",
  "last_id": "step_abc456",
  "has_more": false
}