curl --request GET \
  --url https://my.cald.ai/client/api/v1/agents \
  --header 'Authorization: <api-key>'

{
  "agents": [
    {
      "name": "<string>",
      "maxCallDuration": 10,
      "recordingSettings": {
        "enable": false
      },
      "instructions": "<string>",
      "greeting": "<string>",
      "transferSettings": {
        "enable": false,
        "rule": "always",
        "phoneNumber": "<string>"
      },
      "machineSettings": {
        "enable": false
      },
      "voicemailSettings": {
        "enable": false,
        "voicemail": "<string>"
      },
      "webhookSettings": {
        "enable": false,
        "url": "<string>"
      },
      "smsSettings": {
        "enable": false,
        "rule": "always",
        "message": "<string>"
      },
      "voice": "standard_male",
      "agentId": "<string>"
    }
  ]
}