curl --request GET \
  --url https://call.aivoco.on.cloud.vispark.in/agents \
  --header 'X-API-Key: <api-key>'

[
  {
    "id": "<string>",
    "name": "<string>",
    "system_message": "<string>",
    "voice": "boy",
    "functions": {
      "functions": [
        {
          "name": "<string>",
          "description": "<string>",
          "api_url": "<string>",
          "method": "GET",
          "parameters": {
            "type": "<string>",
            "properties": {},
            "required": [
              "<string>"
            ]
          }
        }
      ]
    }
  }
]