curl --request GET \
  --url https://app.egma.ai/v1/connection-options \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "agentPlatform": "retell",
      "agentPlatformLabel": "<string>",
      "connectionType": "retell_text_mode",
      "accessVariant": "retell_text_mode.api_key",
      "accessVariantLabel": "<string>",
      "modality": "voice",
      "productLabel": "<string>",
      "topology": "agent-dials-out",
      "simulatorAdapter": true,
      "fields": [
        {
          "key": "<string>",
          "label": "<string>",
          "kind": "text",
          "required": true,
          "help": "<string>",
          "afterCredentials": true
        }
      ],
      "credentialRule": "required",
      "credentialHelp": "<string>",
      "credentialFields": [
        {
          "field": "<string>",
          "label": "<string>",
          "kind": "secret",
          "required": true,
          "help": "<string>"
        }
      ]
    }
  ]
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {}
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {}
}