curl --request GET \
  --url https://www.carstoragesoftware.com/api/v1/marketing/campaigns/{id}/preview \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://www.carstoragesoftware.com/api/v1/marketing/campaigns/{id}/preview', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://www.carstoragesoftware.com/api/v1/marketing/campaigns/{id}/preview"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "data": {
    "canPublish": true,
    "recipientCount": 123,
    "stepCount": 123,
    "scheduledAt": "2023-11-07T05:31:56Z",
    "error": "<string>",
    "channel": "<string>"
  }
}

{
  "error": "<string>",
  "code": "<string>",
  "details": null
}

{
  "error": "<string>",
  "code": "<string>",
  "details": null
}

{
  "error": "<string>",
  "code": "<string>",
  "details": null
}

{
  "error": "<string>",
  "code": "<string>",
  "details": null
}