curl --request POST \
  --url https://api.perplexity.ai/v1/agent \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": "<string>"
}
'

{
  "created_at": 123,
  "id": "<string>",
  "model": "<string>",
  "output": [
    {
      "content": [
        {
          "text": "<string>",
          "annotations": [
            {
              "end_index": 123,
              "start_index": 123,
              "title": "<string>",
              "type": "<string>",
              "url": "<string>"
            }
          ]
        }
      ],
      "id": "<string>"
    }
  ],
  "error": {
    "message": "<string>",
    "code": "<string>",
    "type": "<string>"
  },
  "usage": {
    "input_tokens": 123,
    "output_tokens": 123,
    "total_tokens": 123,
    "cost": {
      "input_cost": 123,
      "output_cost": 123,
      "total_cost": 123,
      "cache_creation_cost": 123,
      "cache_read_cost": 123,
      "tool_calls_cost": 123
    },
    "input_tokens_details": {
      "cache_creation_input_tokens": 123,
      "cache_read_input_tokens": 123
    },
    "tool_calls_details": {}
  }
}