curl --request PUT \
  --url https://voice-api.onclarity.com/v1/projects/{projectId}/campaigns/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "max_concurrency": 10,
  "calling_window": {
    "start": "10:00",
    "end": "17:00",
    "timezone": "Europe/London"
  }
}
'

import requests

url = "https://voice-api.onclarity.com/v1/projects/{projectId}/campaigns/{id}"

payload = {
    "max_concurrency": 10,
    "calling_window": {
        "start": "10:00",
        "end": "17:00",
        "timezone": "Europe/London"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    max_concurrency: 10,
    calling_window: {start: '10:00', end: '17:00', timezone: 'Europe/London'}
  })
};

fetch('https://voice-api.onclarity.com/v1/projects/{projectId}/campaigns/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "campaign": {
    "id": "3f1c2a8e-6b0d-4f6e-9a51-0d2b7c9e4a10",
    "project_id": "8d2e4b1a-1c3f-4e5a-9b7d-6f0a2c4e8b13",
    "name": "March renewals",
    "agent_id": "5b7e9c1d-2a4f-4c6e-8d0b-1f3a5c7e9b24",
    "from_number": "+14155550100",
    "start_time": null,
    "callback": false,
    "retries": 2,
    "retry_delay_seconds": 3600,
    "max_concurrency": 10,
    "calling_window": {
      "start": "10:00",
      "end": "17:00",
      "timezone": "Europe/London"
    },
    "status": "draft",
    "started_at": null,
    "canceled_at": null,
    "ended_at": null,
    "created_at": "2026-02-27T15:12:40.000Z",
    "updated_at": "2026-02-28T10:01:12.000Z"
  }
}

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

{
  "error": "Invalid or revoked token"
}

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

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

{
  "error": "Cannot edit a running campaign"
}

{
  "error": "<string>",
  "message": "<string>",
  "issues": [
    {
      "path": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ],
  "details": [
    "<unknown>"
  ]
}