<?php require_once(__DIR__ . '/../autoload.php'); // Create the validator for incoming requests. $requestValidator = new \MessageBird\RequestValidator('YOUR_SIGNING_KEY'); // Verify the incoming request from the PHP global variables. try { $request = $requestValidator->validateRequestFromGlobals(); } catch (\MessageBird\Exceptions\ValidationException $e) { // The request was invalid, so respond accordingly. http_response_code(412); } // Or directly verify the signature of the incoming request $signature = 'JWT_TOKEN_STRING'; $url = 'https://yourdomain.com/path'; $body = 'REQUEST_BODY'; try { $request = $requestValidator->validateSignature($signature, $url, $body); } catch (\MessageBird\Exceptions\ValidationException $e) { // The request was invalid, so respond accordingly. http_response_code(412); }