curl --request PUT \
  --url https://api.creditor.younegotiate.com/communications/campaigns/{campaign} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "template_id": 10,
  "group_id": 25,
  "frequency": "monthly",
  "start_date": "2026-06-21",
  "end_date": "2026-09-21",
  "day_of_month": 15
}
'

import requests

url = "https://api.creditor.younegotiate.com/communications/campaigns/{campaign}"

payload = {
    "template_id": 10,
    "group_id": 25,
    "frequency": "monthly",
    "start_date": "2026-06-21",
    "end_date": "2026-09-21",
    "day_of_month": 15
}
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({
    template_id: 10,
    group_id: 25,
    frequency: 'monthly',
    start_date: '2026-06-21',
    end_date: '2026-09-21',
    day_of_month: 15
  })
};

fetch('https://api.creditor.younegotiate.com/communications/campaigns/{campaign}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.creditor.younegotiate.com/communications/campaigns/{campaign}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'template_id' => 10,
    'group_id' => 25,
    'frequency' => 'monthly',
    'start_date' => '2026-06-21',
    'end_date' => '2026-09-21',
    'day_of_month' => 15
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.creditor.younegotiate.com/communications/campaigns/{campaign}"

	payload := strings.NewReader("{\n  \"template_id\": 10,\n  \"group_id\": 25,\n  \"frequency\": \"monthly\",\n  \"start_date\": \"2026-06-21\",\n  \"end_date\": \"2026-09-21\",\n  \"day_of_month\": 15\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.put("https://api.creditor.younegotiate.com/communications/campaigns/{campaign}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"template_id\": 10,\n  \"group_id\": 25,\n  \"frequency\": \"monthly\",\n  \"start_date\": \"2026-06-21\",\n  \"end_date\": \"2026-09-21\",\n  \"day_of_month\": 15\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.creditor.younegotiate.com/communications/campaigns/{campaign}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"template_id\": 10,\n  \"group_id\": 25,\n  \"frequency\": \"monthly\",\n  \"start_date\": \"2026-06-21\",\n  \"end_date\": \"2026-09-21\",\n  \"day_of_month\": 15\n}"

response = http.request(request)
puts response.read_body

{
  "message": "Campaign updated.",
  "data": {
    "id": 101,
    "template_id": 10,
    "group_id": 25,
    "frequency": {
      "value": "monthly",
      "label": "Monthly"
    },
    "start_date": "2026-06-21",
    "end_date": "2026-09-21",
    "day_of_week": null,
    "day_of_month": 15,
    "terms": "Monthly on the 15th",
    "is_run_immediately": false
  }
}

{
  "message": "<string>"
}

{
  "message": "An active membership is required."
}

{
  "message": "<string>"
}

{
  "message": "<string>",
  "errors": {}
}