diff --git a/app/controllers/general.php b/app/controllers/general.php
index b150729a86..10c9eb8e18 100644
--- a/app/controllers/general.php
+++ b/app/controllers/general.php
@@ -333,13 +333,6 @@ function router(App $utopia, Database $dbForConsole, callable $getProjectDB, Swo
 
         $body = $execution['responseBody'] ?? '';
 
-        $encodingKey = \array_search('x-open-runtimes-encoding', \array_column($execution['responseHeaders'], 'name'));
-        if ($encodingKey !== false) {
-            if (($execution['responseHeaders'][$encodingKey]['value'] ?? '') === 'base64') {
-                $body = \base64_decode($body);
-            }
-        }
-
         $contentType = 'text/plain';
         foreach ($execution['responseHeaders'] as $header) {
             if (\strtolower($header['name']) === 'content-type') {
diff --git a/composer.lock b/composer.lock
index ea17b4e892..341342455c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1126,86 +1126,6 @@
             },
             "time": "2022-03-17T08:00:35+00:00"
         },
-        {
-            "name": "symfony/polyfill-mbstring",
-            "version": "v1.30.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "fd22ab50000ef01661e2a31d850ebaa297f8e03c"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/fd22ab50000ef01661e2a31d850ebaa297f8e03c",
-                "reference": "fd22ab50000ef01661e2a31d850ebaa297f8e03c",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.1"
-            },
-            "provide": {
-                "ext-mbstring": "*"
-            },
-            "suggest": {
-                "ext-mbstring": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "name": "symfony/polyfill",
-                    "url": "https://github.com/symfony/polyfill"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "bootstrap.php"
-                ],
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Nicolas Grekas",
-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill for the Mbstring extension",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "mbstring",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.30.0"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2024-06-19T12:30:46+00:00"
-        },
         {
             "name": "symfony/polyfill-php80",
             "version": "v1.30.0",
@@ -5417,6 +5337,86 @@
             ],
             "time": "2024-05-31T15:07:36+00:00"
         },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.30.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "fd22ab50000ef01661e2a31d850ebaa297f8e03c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/fd22ab50000ef01661e2a31d850ebaa297f8e03c",
+                "reference": "fd22ab50000ef01661e2a31d850ebaa297f8e03c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "provide": {
+                "ext-mbstring": "*"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "mbstring",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.30.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-06-19T12:30:46+00:00"
+        },
         {
             "name": "textalk/websocket",
             "version": "1.5.7",
diff --git a/src/Appwrite/Utopia/Fetch/BodyMultipart.php b/src/Appwrite/Utopia/Fetch/BodyMultipart.php
new file mode 100644
index 0000000000..3869150758
--- /dev/null
+++ b/src/Appwrite/Utopia/Fetch/BodyMultipart.php
@@ -0,0 +1,147 @@
+<?php
+
+namespace Appwrite\Utopia\Fetch;
+
+class BodyMultipart
+{
+    /**
+     * @var array<string, mixed> $parts
+     */
+    private array $parts = [];
+    private string $boundary = "";
+
+    public function __construct(string $boundary = null)
+    {
+        if (is_null($boundary)) {
+            $this->boundary = self::generateBoundary();
+        } else {
+            $this->boundary = $boundary;
+        }
+    }
+
+    public static function generateBoundary(): string
+    {
+        return '-----------------------------' . \uniqid();
+    }
+
+    public function load(string $body): self
+    {
+        $eol =  "\r\n";
+
+        $sections = \explode('--' . $this->boundary, $body);
+
+        foreach ($sections as $section) {
+            if (empty($section)) {
+                continue;
+            }
+
+            if (strpos($section, $eol) === 0) {
+                $section = substr($section, \strlen($eol));
+            }
+
+            if (substr($section, -2) === $eol) {
+                $section = substr($section, 0, -1 * \strlen($eol));
+            }
+
+            if ($section == '--') {
+                continue;
+            }
+
+            $partChunks = \explode($eol . $eol, $section, 2);
+
+            if (\count($partChunks) < 2) {
+                continue; // Broken part
+            }
+
+            [ $partHeaders, $partBody ] = $partChunks;
+            $partHeaders = \explode($eol, $partHeaders);
+
+            $partName = "";
+            foreach ($partHeaders as $partHeader) {
+                if (!empty($partName)) {
+                    break;
+                }
+
+                $partHeaderArray = \explode(':', $partHeader, 2);
+
+                $partHeaderName = \strtolower($partHeaderArray[0] ?? '');
+                $partHeaderValue = $partHeaderArray[1] ?? '';
+                if ($partHeaderName == "content-disposition") {
+                    $dispositionChunks = \explode("; ", $partHeaderValue);
+                    foreach ($dispositionChunks as $dispositionChunk) {
+                        $dispositionChunkValues = \explode("=", $dispositionChunk, 2);
+                        if (\count($dispositionChunkValues) >= 2) {
+                            if ($dispositionChunkValues[0] === "name") {
+                                $partName = \trim($dispositionChunkValues[1], "\"");
+                                break;
+                            }
+                        }
+                    }
+                }
+            }
+
+            if (!empty($partName)) {
+                $this->parts[$partName] = $partBody;
+            }
+        }
+        return $this;
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function getParts(): array
+    {
+        return $this->parts ?? [];
+    }
+
+    public function getPart(string $key, mixed $default = ''): mixed
+    {
+        return $this->parts[$key] ?? $default;
+    }
+
+    public function setPart(string $key, mixed $value): self
+    {
+        $this->parts[$key] = $value;
+        return $this;
+    }
+
+    public function getBoundary(): string
+    {
+        return $this->boundary;
+    }
+
+    public function setBoundary(string $boundary): self
+    {
+        $this->boundary = $boundary;
+        return $this;
+    }
+
+    public function exportHeader(): string
+    {
+        return 'multipart/form-data; boundary=' . $this->boundary;
+    }
+
+    public function exportBody(): string
+    {
+        $eol =  "\r\n";
+        $query = '--' . $this->boundary;
+
+        foreach ($this->parts as $key => $value) {
+            $query .= $eol . 'Content-Disposition: form-data; name="' . $key . '"';
+
+            if (\is_array($value)) {
+                $query .= $eol . 'Content-Type: application/json';
+                $value = \json_encode($value);
+            }
+
+            $query .= $eol . $eol;
+            $query .= $value . $eol;
+            $query .= '--' . $this->boundary;
+        }
+
+        $query .= "--" . $eol;
+
+        return $query;
+    }
+}
diff --git a/src/Executor/Executor.php b/src/Executor/Executor.php
index 43f9a3d73e..37c2963be9 100644
--- a/src/Executor/Executor.php
+++ b/src/Executor/Executor.php
@@ -3,6 +3,7 @@
 namespace Executor;
 
 use Appwrite\Extend\Exception as AppwriteException;
+use Appwrite\Utopia\Fetch\BodyMultipart;
 use Exception;
 use Utopia\System\System;
 
@@ -211,7 +212,7 @@ class Executor
             $requestTimeout = $timeout + 15;
         }
 
-        $response = $this->call(self::METHOD_POST, $route, [ 'x-opr-runtime-id' => $runtimeId ], $params, true, $requestTimeout);
+        $response = $this->call(self::METHOD_POST, $route, [ 'x-opr-runtime-id' => $runtimeId, 'content-type' => 'multipart/form-data', 'accept' => 'multipart/form-data' ], $params, true, $requestTimeout);
 
         $status = $response['headers']['status-code'];
         if ($status >= 400) {
@@ -219,6 +220,11 @@ class Executor
             throw new \Exception($message, $status);
         }
 
+        $response['body']['headers'] = \json_decode($response['body']['headers'] ?? '{}', true);
+        $response['body']['statusCode'] = \intval($response['body']['statusCode'] ?? 500);
+        $response['body']['duration'] = \intval($response['body']['duration'] ?? 0);
+        $response['body']['startTime'] = \intval($response['body']['startTime'] ?? \microtime(true));
+
         return $response['body'];
     }
 
@@ -250,7 +256,13 @@ class Executor
                 break;
 
             case 'multipart/form-data':
-                $query = $this->flatten($params);
+                $multipart = new BodyMultipart();
+                foreach ($params as $key => $value) {
+                    $multipart->setPart($key, $value);
+                }
+
+                $headers['content-type'] = $multipart->exportHeader();
+                $query = $multipart->exportBody();
                 break;
 
             default:
@@ -317,7 +329,16 @@ class Executor
         $curlErrorMessage = curl_error($ch);
 
         if ($decode) {
-            switch (substr($responseType, 0, strpos($responseType, ';'))) {
+            $strpos = strpos($responseType, ';');
+            $strpos = \is_bool($strpos) ? \strlen($responseType) : $strpos;
+            switch (substr($responseType, 0, $strpos)) {
+                case 'multipart/form-data':
+                    $boundary = \explode('boundary=', $responseHeaders['content-type'] ?? '')[1] ?? '';
+                    $multipartResponse = new BodyMultipart($boundary);
+                    $multipartResponse->load(\is_bool($responseBody) ? '' : $responseBody);
+
+                    $responseBody = $multipartResponse->getParts();
+                    break;
                 case 'application/json':
                     $json = json_decode($responseBody, true);
 
diff --git a/tests/e2e/Client.php b/tests/e2e/Client.php
index 7083095da1..c8bf36a2ef 100644
--- a/tests/e2e/Client.php
+++ b/tests/e2e/Client.php
@@ -163,7 +163,7 @@ class Client
      * @return array
      * @throws Exception
      */
-    public function call(string $method, string $path = '', array $headers = [], array $params = [], bool $decode = true): array
+    public function call(string $method, string $path = '', array $headers = [], mixed $params = [], bool $decode = true): array
     {
         $headers            = array_merge($this->headers, $headers);
         $ch                 = curl_init($this->endpoint . $path . (($method == self::METHOD_GET && !empty($params)) ? '?' . http_build_query($params) : ''));
@@ -174,6 +174,7 @@ class Client
             'application/json' => json_encode($params),
             'multipart/form-data' => $this->flatten($params),
             'application/graphql' => $params[0],
+            'text/plain' => $params,
             default => http_build_query($params),
         };
 
diff --git a/tests/e2e/Services/Functions/FunctionsCustomServerTest.php b/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
index dfbfaa6c01..7864a52ac2 100644
--- a/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
+++ b/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
@@ -1805,4 +1805,205 @@ class FunctionsCustomServerTest extends Scope
 
         $this->assertEquals(204, $response['headers']['status-code']);
     }
+
+    public function testFunctionsDomainBianryResponse()
+    {
+        $timeout = 15;
+        $code = realpath(__DIR__ . '/../../../resources/functions') . "/php-binary-response/code.tar.gz";
+        $this->packageCode('php-binary-response');
+
+        $function = $this->client->call(Client::METHOD_POST, '/functions', array_merge([
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), [
+            'functionId' => ID::unique(),
+            'name' => 'Test PHP Binary executions',
+            'runtime' => 'php-8.0',
+            'entrypoint' => 'index.php',
+            'timeout' => $timeout,
+            'execute' => ['any']
+        ]);
+
+        $functionId = $function['body']['$id'] ?? '';
+
+        $this->assertEquals(201, $function['headers']['status-code']);
+
+        $rules = $this->client->call(Client::METHOD_GET, '/proxy/rules', array_merge([
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), [
+            'queries' => [
+                Query::equal('resourceId', [$functionId])->toString(),
+                Query::equal('resourceType', ['function'])->toString(),
+            ],
+        ]);
+
+        $this->assertEquals(200, $rules['headers']['status-code']);
+        $this->assertEquals(1, $rules['body']['total']);
+        $this->assertCount(1, $rules['body']['rules']);
+        $this->assertNotEmpty($rules['body']['rules'][0]['domain']);
+
+        $domain = $rules['body']['rules'][0]['domain'];
+
+        $deployment = $this->client->call(Client::METHOD_POST, '/functions/' . $functionId . '/deployments', array_merge([
+            'content-type' => 'multipart/form-data',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), [
+            'entrypoint' => 'index.php',
+            'code' => new CURLFile($code, 'application/x-gzip', basename($code)),
+            'activate' => true
+        ]);
+
+        $deploymentId = $deployment['body']['$id'] ?? '';
+        $this->assertEquals(202, $deployment['headers']['status-code']);
+
+        // Poll until deployment is built
+        while (true) {
+            $deployment = $this->client->call(Client::METHOD_GET, '/functions/' . $function['body']['$id'] . '/deployments/' . $deploymentId, [
+                'content-type' => 'application/json',
+                'x-appwrite-project' => $this->getProject()['$id'],
+                'x-appwrite-key' => $this->getProject()['apiKey'],
+            ]);
+
+            if (
+                $deployment['headers']['status-code'] >= 400
+                || \in_array($deployment['body']['status'], ['ready', 'failed'])
+            ) {
+                break;
+            }
+
+            \sleep(1);
+        }
+
+        $deployment = $this->client->call(Client::METHOD_PATCH, '/functions/' . $functionId . '/deployments/' . $deploymentId, array_merge([
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), []);
+
+        $this->assertEquals(200, $deployment['headers']['status-code']);
+
+        // Wait a little for activation to finish
+        sleep(5);
+
+        $proxyClient = new Client();
+        $proxyClient->setEndpoint('http://' . $domain);
+
+        $response = $proxyClient->call(Client::METHOD_GET, '/', [], [], false);
+
+        $this->assertEquals(200, $response['headers']['status-code']);
+        $this->assertNotEmpty($response['body']);
+        $bytes = unpack('C*byte', $response['body']);
+        $this->assertCount(3, $bytes);
+        $this->assertEquals(0, $bytes['byte1']);
+        $this->assertEquals(10, $bytes['byte2']);
+        $this->assertEquals(255, $bytes['byte3']);
+
+        // Cleanup : Delete function
+        $response = $this->client->call(Client::METHOD_DELETE, '/functions/' . $functionId, [
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+            'x-appwrite-key' => $this->getProject()['apiKey'],
+        ], []);
+
+        $this->assertEquals(204, $response['headers']['status-code']);
+    }
+
+    public function testFunctionsDomainBianryRequest()
+    {
+        $timeout = 15;
+        $code = realpath(__DIR__ . '/../../../resources/functions') . "/php-binary-request/code.tar.gz";
+        $this->packageCode('php-binary-request');
+
+        $function = $this->client->call(Client::METHOD_POST, '/functions', array_merge([
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), [
+            'functionId' => ID::unique(),
+            'name' => 'Test PHP Binary executions',
+            'runtime' => 'php-8.0',
+            'entrypoint' => 'index.php',
+            'timeout' => $timeout,
+            'execute' => ['any']
+        ]);
+
+        $functionId = $function['body']['$id'] ?? '';
+
+        $this->assertEquals(201, $function['headers']['status-code']);
+
+        $rules = $this->client->call(Client::METHOD_GET, '/proxy/rules', array_merge([
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), [
+            'queries' => [
+                Query::equal('resourceId', [$functionId])->toString(),
+                Query::equal('resourceType', ['function'])->toString(),
+            ],
+        ]);
+
+        $this->assertEquals(200, $rules['headers']['status-code']);
+        $this->assertEquals(1, $rules['body']['total']);
+        $this->assertCount(1, $rules['body']['rules']);
+        $this->assertNotEmpty($rules['body']['rules'][0]['domain']);
+
+        $domain = $rules['body']['rules'][0]['domain'];
+
+        $deployment = $this->client->call(Client::METHOD_POST, '/functions/' . $functionId . '/deployments', array_merge([
+            'content-type' => 'multipart/form-data',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), [
+            'entrypoint' => 'index.php',
+            'code' => new CURLFile($code, 'application/x-gzip', basename($code)),
+            'activate' => true
+        ]);
+
+        $deploymentId = $deployment['body']['$id'] ?? '';
+        $this->assertEquals(202, $deployment['headers']['status-code']);
+
+        // Poll until deployment is built
+        while (true) {
+            $deployment = $this->client->call(Client::METHOD_GET, '/functions/' . $function['body']['$id'] . '/deployments/' . $deploymentId, [
+                'content-type' => 'application/json',
+                'x-appwrite-project' => $this->getProject()['$id'],
+                'x-appwrite-key' => $this->getProject()['apiKey'],
+            ]);
+
+            if (
+                $deployment['headers']['status-code'] >= 400
+                || \in_array($deployment['body']['status'], ['ready', 'failed'])
+            ) {
+                break;
+            }
+
+            \sleep(1);
+        }
+
+        $deployment = $this->client->call(Client::METHOD_PATCH, '/functions/' . $functionId . '/deployments/' . $deploymentId, array_merge([
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), []);
+
+        $this->assertEquals(200, $deployment['headers']['status-code']);
+
+        // Wait a little for activation to finish
+        sleep(5);
+
+        $proxyClient = new Client();
+        $proxyClient->setEndpoint('http://' . $domain);
+
+        $bytes = pack('C*', ...[0,20,255]);
+
+        $response = $proxyClient->call(Client::METHOD_POST, '/', [ 'content-type' => 'text/plain' ], $bytes, false);
+
+        $this->assertEquals(200, $response['headers']['status-code']);
+        $this->assertEquals(\md5($bytes), $response['body']);
+
+        // Cleanup : Delete function
+        $response = $this->client->call(Client::METHOD_DELETE, '/functions/' . $functionId, [
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+            'x-appwrite-key' => $this->getProject()['apiKey'],
+        ], []);
+
+        $this->assertEquals(204, $response['headers']['status-code']);
+    }
 }
diff --git a/tests/resources/functions/php-binary-request/index.php b/tests/resources/functions/php-binary-request/index.php
new file mode 100644
index 0000000000..53df8705e5
--- /dev/null
+++ b/tests/resources/functions/php-binary-request/index.php
@@ -0,0 +1,6 @@
+<?php
+
+return function ($context) {
+    $hash = md5($context->req->bodyBinary);
+    return $context->res->send($hash);
+};
diff --git a/tests/resources/functions/php-binary-response/index.php b/tests/resources/functions/php-binary-response/index.php
new file mode 100644
index 0000000000..7715663388
--- /dev/null
+++ b/tests/resources/functions/php-binary-response/index.php
@@ -0,0 +1,6 @@
+<?php
+
+return function ($context) {
+    $bytes = pack('C*', ...[0, 10, 255]);
+    return $context->res->binary($bytes);
+};