curl --request PATCH \
  --url https://api.example.com/api/v1/campaigns/{campaign_id} \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "description": "<string>",
  "template_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "message_type": "<string>",
  "custom_message": "<string>",
  "message_payload": {},
  "recipient_group_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "recipient_contact_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "scheduled_for": "2023-11-07T05:31:56Z"
}
'

import requests

url = "https://api.example.com/api/v1/campaigns/{campaign_id}"

payload = {
    "name": "<string>",
    "description": "<string>",
    "template_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "message_type": "<string>",
    "custom_message": "<string>",
    "message_payload": {},
    "recipient_group_ids": ["3c90c3cc-0d44-4b50-8888-8dd25736052a"],
    "recipient_contact_ids": ["3c90c3cc-0d44-4b50-8888-8dd25736052a"],
    "scheduled_for": "2023-11-07T05:31:56Z"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    description: '<string>',
    template_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    message_type: '<string>',
    custom_message: '<string>',
    message_payload: {},
    recipient_group_ids: ['3c90c3cc-0d44-4b50-8888-8dd25736052a'],
    recipient_contact_ids: ['3c90c3cc-0d44-4b50-8888-8dd25736052a'],
    scheduled_for: '2023-11-07T05:31:56Z'
  })
};

fetch('https://api.example.com/api/v1/campaigns/{campaign_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "whatsapp_account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "recipient_type": "<string>",
  "status": "<string>",
  "total_recipients": 123,
  "messages_sent": 123,
  "messages_delivered": 123,
  "messages_read": 123,
  "messages_failed": 123,
  "created_at": "<string>",
  "updated_at": "<string>",
  "description": "<string>",
  "template_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "message_type": "text",
  "custom_message": "<string>",
  "message_payload": {},
  "recipient_group_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "recipient_contact_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "scheduled_for": "<string>",
  "started_at": "<string>",
  "completed_at": "<string>",
  "cancelled_at": "<string>",
  "failed_at": "<string>",
  "error_message": "<string>"
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}