curl --request GET \
  --url https://{instance}.omniapp.co/api/v1/connections/{connectionId}/schedules \
  --header 'Authorization: Bearer <token>'

{
  "schedules": [
    {
      "scheduleId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
      "connectionId": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
      "schedule": "00 09 * * ? *",
      "timezone": "America/New_York",
      "description": "At 09:00 AM EDT",
      "createdAt": "2025-01-15T10:30:00.000Z",
      "updatedAt": "2025-01-15T10:30:00.000Z",
      "disabledAt": null
    }
  ]
}