How to retreive a Binance deposit address with their api using php

API Spot/Margin API
1

I try to used binance api in my php class to retreive my all deposit addresses, but when i execute my function he return me error code -1022 and error message is "Signature for this request is not valid".

<?php

public class Binance{

private $secret = null;
private $key = null;
private $path_url = 'https://api.binance.com';

public function __construct(){
    $this->secret = "1LZ.....................................Z";
    $this->key = "rQ...................................................F80";
}

private function getSign($timestamp){
    return hash_hmac('SHA256', $timestamp, $this->secret);
}

public function all_coins_address(){
    $key = $this->key;
    $secret = $this->secret;
    $timestamp = time()*1000;
    $prehash = "timestamp=$timestamp";
    $sign = hash_hmac('SHA256', $prehash, $this->secret);
    $url = $this->path_url."/sapi/v1/capital/deposit/address?coin=USDT&timestamp=".$timestamp.'&signature='.$sign; 
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('X-MBX-APIKEY:'.$key));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_URL, $url);
    $result = curl_exec($ch);
    $result = json_decode($result, true);
    return $result;
}

}

$binance = new Binance();
print(’

’);

try{

print_r($binance->all_coins_address());

}catch (Exception $e){

print_r($e->getMessage());

}

exit();   ?>
2

Hi @Prosper226, we don’t usually debug personal written code, however combination of below should be able to help you find the issue:

1 Like
3

Hi @aisling, thank you for your helping. It’s done now.