# verifySignature()

**Method signature**

```php
private function verifySignature($publicKey, $message, $signature)
```

**Parameters**

| Name      | Type   | Description                        |
| --------- | ------ | ---------------------------------- |
| publicKey | string | Public key in hexadecimal format.  |
| message   | string | Message that you want to verify    |
| signature | string | Signature that you want to compare |

**Example**

```php
<?php
require 'vendor/autoload.php';
use CircularProtocol\Api\CircularProtocolAPI;

$circular = new CircularProtocolAPI();
$publicKey = "0x04b5aa6be8b2e3420fb5a8b22e80e64ace8271d88dc4c081436956b0848e7bcf4e864b35c59e218885ed3d839352b81f85872c9460732ca05b8c18dad29dbad00e";
$signature = "0xaf14525076c04c5139acba458f86c69cd2d322c61d19bc28daa3bbd9450837ab";
$message = "Hello, World!";

$result = $circular->verifySignature($publicKey, $message, $signature);
echo $result;
```

**Result**

The result will be a boolean object.

```
true
```