diff --git a/src/Api/HttpApi.php b/src/Api/HttpApi.php
index d7c28c3..bb566df 100644
--- a/src/Api/HttpApi.php
+++ b/src/Api/HttpApi.php
@@ -118,7 +118,7 @@ abstract class HttpApi
     protected function httpGet(string $path, array $parameters = [], array $requestHeaders = []): ResponseInterface
     {
         if (count($parameters) > 0) {
-            $path .= '?'.urldecode(http_build_query($parameters));
+            $path .= '?'.http_build_query($parameters);
         }
 
         try {
diff --git a/tests/Api/EmailValidationV4Test.php b/tests/Api/EmailValidationV4Test.php
index ed6af69..21dddd3 100755
--- a/tests/Api/EmailValidationV4Test.php
+++ b/tests/Api/EmailValidationV4Test.php
@@ -42,7 +42,7 @@ class EmailValidationV4Test extends TestCase
     public function testInvalidEmail()
     {
         $this->setRequestMethod('GET');
-        $this->setRequestUri('/v4/address/validate?address=email@example.com&provider_lookup=1');
+        $this->setRequestUri('/v4/address/validate?address=email%40example.com&provider_lookup=1');
         $this->setHttpResponse(new Response(200, ['Content-Type' => 'application/json'], <<<'JSON'
 {
     "address": "email@example.com",
@@ -77,7 +77,7 @@ JSON
     public function testValidEmail()
     {
         $this->setRequestMethod('GET');
-        $this->setRequestUri('/v4/address/validate?address=email3@example.com&provider_lookup=0');
+        $this->setRequestUri('/v4/address/validate?address=email3%40example.com&provider_lookup=0');
         $this->setHttpResponse(new Response(200, ['Content-Type' => 'application/json'], <<<'JSON'
 {
     "address": "email3@example.com",