Binom + Telegram postback script that notifies buyers about new deposits

binomtgdeppush.php

<?php
/**
 * Binom Postback Filter Middleware v0.2
 * by Yellow Web (https://yellowweb.top)
 * This script receives postback data from Binom tracker 
 * about registrations and deposits,
 * filters out registrations (cnv_status = 'reg'),
 * and only forwards deposits (cnv_status = 'dep') to the Telegram bot.
 */

$telegramBotToken = ''; 
$telegramChatId = '';

$messageTemplate = <<<EOF
🎰{campaign_group_name}, new deposit!
Status: *{cnv_status}*
GEO: *{t2}*
Creo: *{t6}*
Adset: *{t4}*
Camp: *{t3}*
Offer: *{offer_name}*

ClickID: *{clickid}*
Time: *{date}*
EOF;

$logFile = 'cpadeppush.log';
// Receive the postback data
$postData = $_REQUEST;

// If no POST data, check if data was sent as JSON
if (empty($postData)) {
    $inputJSON = file_get_contents('php://input');
    $postData = json_decode($inputJSON, true);
}

// Log all postbacks for debugging
logToFile($postData, $logFile);

// Check if the postback data contains status
if (!isset($postData['cnv_status'])) {
    $msg = 'Error: No cnv_status field in postback data';
    logToFile($msg, $logFile);
    die($msg);
}

// Only forward postbacks with status = 'dep' to Telegram
if ($postData['cnv_status'] === 'dep') {
    // Replace placeholders with actual values from the postback
    $message = $messageTemplate;
    foreach ($postData as $key => $value) {
        $message = str_replace('{'.$key.'}', $value, $message);
    }
    
    // Send message to Telegram
    sendToTelegram($message, $telegramBotToken, $telegramChatId);
    
    $msg = "Success: Deposit postback forwarded to Telegram";
    logToFile($msg, $logFile);
    echo $msg;
} else {
    // For other statuses (like 'reg'), just acknowledge receipt
    $msg = "Success: Postback received, but not forwarded (status: {$postData['cnv_status']})";
    logToFile($msg, $logFile);
    echo $msg;
}

/**
 * Log data to a file with timestamp
 * 
 * @param mixed $data Data to log (array or string)
 * @param string $logFile Path to the log file
 * @return bool Success status
 */
function logToFile($data, $logFile) {
    $timestamp = date('[Y-m-d H:i:s] ');
    
    // Handle different data types
    if (is_array($data) || is_object($data)) {
        $logData = $timestamp . json_encode($data) . PHP_EOL;
    } else {
        $logData = $timestamp . $data . PHP_EOL;
    }
    
    // Append to the log file
    return file_put_contents($logFile, $logData, FILE_APPEND);
}

/**
 * Send message to Telegram
 * 
 * @param string $message Message to send
 * @param string $botToken Telegram bot token
 * @param string $chatId Telegram chat ID
 * @return bool Success status
 */
function sendToTelegram($message, $botToken, $chatId) {
    $url = "https://api.telegram.org/bot{$botToken}/sendMessage";
    
    $postFields = [
        'chat_id' => $chatId,
        'text' => $message,
        'parse_mode' => 'Markdown'
    ];
    
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields);
    
    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    return ($httpCode >= 200 && $httpCode < 300);
}

Binom S2S postback example to use the script:

https://cpagency.top/cpadeppush.php?campaign_group_name={campaign_group_name}&cnv_status={cnv_status}&t2={t2}&t3={t3}&t4={t4}&t6={t6}&offer_name={offer_name}&clickid={clickid}&date={date}