curl --request PATCH \
  --url https://sandbox.voice.miraiminds.co/v2/campaigns/{campaign_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "budget_paise": 100000,
  "max_concurrent": 3
}
'

import requests

url = "https://sandbox.voice.miraiminds.co/v2/campaigns/{campaign_id}"

payload = {
    "budget_paise": 100000,
    "max_concurrent": 3
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const url = 'https://sandbox.voice.miraiminds.co/v2/campaigns/{campaign_id}';
const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({budget_paise: 100000, max_concurrent: 3})
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

{
  "agent_revision": 1,
  "id": "cmp_01K79Q4T6W8XZ2B5D7F9H3JKMN",
  "object": "campaign",
  "name": "सर्विस रिमाइंडर — अक्टूबर",
  "agent_id": "agt_01K2M4P7QRSTVWXYZ0A1B2C3",
  "tier": "t5",
  "status": "draft",
  "pause_reason": null,
  "timezone": "Asia/Kolkata",
  "start_date": "2026-10-12",
  "end_date": "2026-10-16",
  "slots": [
    {
      "start": "10:00",
      "end": "13:00"
    },
    {
      "start": "16:00",
      "end": "19:00"
    }
  ],
  "max_concurrent": 3,
  "retry_count": 1,
  "re_attempt_period_secs": 3600,
  "max_duration_secs": 300,
  "budget_paise": 100000,
  "spent_paise": 0,
  "skip_called_before": false,
  "final_results": true,
  "created_at": "2026-10-09T06:12:40Z",
  "updated_at": "2026-10-09T06:15:02Z",
  "archived": false,
  "archived_at": null
}

{
  "error": {
    "code": "invalid_request",
    "message": "max_concurrent must be between 1 and 50"
  }
}

{
  "error": {
    "code": "conflict",
    "message": "campaign cmp_01K79Q4T6W8XZ2B5D7F9H3JKMN is play; only a draft or paused campaign can be edited — pause it first, or send only max_concurrent, slots or dial_cps"
  }
}