curl --request PATCH \
  --url https://api.cloudtalk.io/v1/dialer/campaigns/{campaignId} \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "status": "active",
  "retry_policy": {
    "max_attempts": 5,
    "interval_hours": 12
  }
}
'

import requests

url = "https://api.cloudtalk.io/v1/dialer/campaigns/{campaignId}"

payload = {
    "status": "active",
    "retry_policy": {
        "max_attempts": 5,
        "interval_hours": 12
    }
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({status: 'active', retry_policy: {max_attempts: 5, interval_hours: 12}})
};

fetch('https://api.cloudtalk.io/v1/dialer/campaigns/{campaignId}', 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.cloudtalk.io/v1/dialer/campaigns/{campaignId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'status' => 'active',
    'retry_policy' => [
        'max_attempts' => 5,
        'interval_hours' => 12
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "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.cloudtalk.io/v1/dialer/campaigns/{campaignId}"

	payload := strings.NewReader("{\n  \"status\": \"active\",\n  \"retry_policy\": {\n    \"max_attempts\": 5,\n    \"interval_hours\": 12\n  }\n}")

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

	req.Header.Add("Authorization", "Basic <encoded-value>")
	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.patch("https://api.cloudtalk.io/v1/dialer/campaigns/{campaignId}")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"status\": \"active\",\n  \"retry_policy\": {\n    \"max_attempts\": 5,\n    \"interval_hours\": 12\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.cloudtalk.io/v1/dialer/campaigns/{campaignId}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"status\": \"active\",\n  \"retry_policy\": {\n    \"max_attempts\": 5,\n    \"interval_hours\": 12\n  }\n}"

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

{
  "id": "42",
  "name": "Q3 renewals",
  "mode": "sequential",
  "status": "active",
  "calling_policy": {
    "answer_wait": 25,
    "after_call": 10,
    "recording": true
  },
  "queue_policy": {
    "lock_size": 5,
    "refill_amount": 3
  },
  "retry_policy": {
    "max_attempts": 3,
    "interval_hours": 24
  },
  "schedule_policy": {
    "start_date": "2026-08-10",
    "start_time": "09:00"
  },
  "ttl_policy": {
    "mode": "campaign",
    "hours": 72
  },
  "waterfall_order": [
    "favorite",
    "rescheduled",
    "retry",
    "fresh"
  ],
  "agent_permissions": {
    "skip": true,
    "remove": false,
    "reorder": false
  },
  "call_script_id": "310",
  "survey_id": null,
  "created_at": "2026-08-01T09:15:00.000Z",
  "updated_at": "2026-08-04T11:42:07.000Z",
  "archived_at": null,
  "deleted_at": null
}

{
  "statusCode": 400,
  "message": "Validation error",
  "error": "Bad Request",
  "correlationId": "YevPQs",
  "subErrors": [
    "incorrect email"
  ]
}

{
  "code": "UNAUTHORIZED",
  "message": "You are not authorized to access this resource."
}

{
  "statusCode": 404,
  "message": "Not Found",
  "error": "Not Found",
  "correlationId": "YevPQs"
}

{
  "statusCode": 422,
  "message": "Unprocessable Entity",
  "error": "Unprocessable Entity",
  "correlationId": "YevPQs"
}

{
  "statusCode": 429,
  "message": "Too Many Requests",
  "error": "Too Many Requests",
  "correlationId": "YevPQs"
}

{
  "statusCode": 500,
  "message": "Internal Server Error",
  "error": "Internal Server Error",
  "correlationId": "YevPQs"
}