diff --git a/.gitignore b/.gitignore
index 7a45843..f865f49 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 # Don't include vendor files installed via Composer
 /src-composer/vendor/
+
+/vendor/
+/.idea/
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..bbf1642
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,22 @@
+{
+    "name": "mcwnuq/php-bbb-api-wrapper",
+    "description": "A PHP wrapper for BuiltByBit's Ultimate REST API.",
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "Majored\\PhpBbbApiWrapper\\": "src/"
+        }
+    },
+    "authors": [
+        {
+            "name": "Majored"
+        },
+        {
+            "name": "BuiltByBit"
+        },
+        {
+            "name": "mcwnuq"
+        }
+    ],
+    "require": {}
+}
diff --git a/src/APIResponse.php b/src/APIResponse.php
index 0c0e200..003ff4d 100644
--- a/src/APIResponse.php
+++ b/src/APIResponse.php
@@ -1,6 +1,7 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper;
 
 /** Represents a parsed response from BuiltByBit's API. */
 class APIResponse {
@@ -69,7 +70,7 @@ function getError() {
      * @param string The raw JSON response.
      * @return APIResponse The newly construct response instance.
 	 */
-    static function from_json(string $json): Self {
+    static function from_json(string $json): self {
         $data = json_decode($json, true);
 
         if (!array_key_exists("data", $data)) {
diff --git a/src/APIToken.php b/src/APIToken.php
index b507708..f54d3f1 100644
--- a/src/APIToken.php
+++ b/src/APIToken.php
@@ -1,6 +1,7 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper;
 
 /** Stores data about a particular API token. */
 class APIToken {
@@ -31,12 +32,3 @@ function asHeader(): string {
         return sprintf("Authorization: %s %s", $this->type, $this->value);
     }
 }
-
-/** Holds declarations for different API token types. */
-class TokenType {
-    /** @var string A string value representing the Private token type. */
-    public const PRIVATE = "Private";
-
-    /** @var string A string value representing the Shared token type. */
-    public const SHARED = "Shared";
-}
\ No newline at end of file
diff --git a/src/APIWrapper.php b/src/APIWrapper.php
index 7a9f7e2..5e08a1b 100644
--- a/src/APIWrapper.php
+++ b/src/APIWrapper.php
@@ -1,23 +1,14 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper;
 
-require __DIR__ . "/APIToken.php";
-require __DIR__ . "/APIResponse.php";
-require __DIR__ . "/Throttler.php";
-
-require __DIR__ . "/helpers/AlertsHelper.php";
-require __DIR__ . "/helpers/ConversationsHelper.php";
-require __DIR__ . "/helpers/MembersHelper.php";
-require __DIR__ . "/helpers/ThreadsHelper.php";
-
-require __DIR__ . "/helpers/resources/ResourcesHelper.php";
-require __DIR__ . "/helpers/resources/LicensesHelper.php";
-require __DIR__ . "/helpers/resources/PurchasesHelper.php";
-require __DIR__ . "/helpers/resources/DownloadsHelper.php";
-require __DIR__ . "/helpers/resources/VersionsHelper.php";
-require __DIR__ . "/helpers/resources/UpdatesHelper.php";
-require __DIR__ . "/helpers/resources/ReviewsHelper.php";
+use CurlHandle;
+use Majored\PhpBbbApiWrapper\Helpers\AlertsHelper;
+use Majored\PhpBbbApiWrapper\Helpers\ConversationsHelper;
+use Majored\PhpBbbApiWrapper\Helpers\MembersHelper;
+use Majored\PhpBbbApiWrapper\Helpers\Resources\ResourcesHelper;
+use Majored\PhpBbbApiWrapper\Helpers\ThreadsHelper;
 
 /** The primary class for interactions with BuiltByBit's API. */
 class APIWrapper {
@@ -157,9 +148,9 @@ function delete(string $endpoint): APIResponse {
      * Handles a CURL response and sets/resets local rate limiting metadata.
 	 *
      * @param int The type of request which the response originated from (RequestType).
-	 * @return string The raw JSON response or null if a rate limit was hit.
+	 * @return string|null The raw JSON response or null if a rate limit was hit.
 	 */
-    private function handleResponse(int $type): string {
+    private function handleResponse(int $type): ?string {
         list($header, $body) = explode("\r\n\r\n", curl_exec($this->http), 2);
         $status = curl_getinfo($this->http, CURLINFO_HTTP_CODE);
         $header = APIWrapper::parseHeaders(explode("\r\n", $header));
diff --git a/src/RequestType.php b/src/RequestType.php
new file mode 100644
index 0000000..50400c2
--- /dev/null
+++ b/src/RequestType.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Majored\PhpBbbApiWrapper;
+
+/** Holds declarations for different request types. */
+class RequestType {
+    /** @var int An integer value representing the read endpoints (ie. GET). */
+    public const READ = 0;
+
+    /** @var int An integer value representing the write endpoints (ie. POST, PATCH, & DELETE). */
+    public const WRITE = 1;
+}
\ No newline at end of file
diff --git a/src/Throttler.php b/src/Throttler.php
index a0bfa3c..1862829 100644
--- a/src/Throttler.php
+++ b/src/Throttler.php
@@ -1,6 +1,7 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper;
 
 /** Stores metadata needed for local request throttling. */
 class Throttler {
@@ -117,12 +118,3 @@ function stallFor(int $type): int {
         return $stall_for;
     }
 }
-
-/** Holds declarations for different request types. */
-class RequestType {
-    /** @var int An integer value representing the read endpoints (ie. GET). */
-    public const READ = 0;
-
-    /** @var int An integer value representing the write endpoints (ie. POST, PATCH, & DELETE). */
-    public const WRITE = 1;
-}
\ No newline at end of file
diff --git a/src/TokenType.php b/src/TokenType.php
new file mode 100644
index 0000000..64d237e
--- /dev/null
+++ b/src/TokenType.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Majored\PhpBbbApiWrapper;
+
+/** Holds declarations for different API token types. */
+class TokenType {
+    /** @var string A string value representing the Private token type. */
+    public const PRIVATE = "Private";
+
+    /** @var string A string value representing the Shared token type. */
+    public const SHARED = "Shared";
+}
\ No newline at end of file
diff --git a/src/helpers/AlertsHelper.php b/src/helpers/AlertsHelper.php
index c613a45..cb3d1ee 100644
--- a/src/helpers/AlertsHelper.php
+++ b/src/helpers/AlertsHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for alert-related API endpoints. */
 class AlertsHelper {
diff --git a/src/helpers/ConversationsHelper.php b/src/helpers/ConversationsHelper.php
index fb66b23..e3cfac7 100644
--- a/src/helpers/ConversationsHelper.php
+++ b/src/helpers/ConversationsHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for conversation-related API endpoints. */
 class ConversationsHelper {
diff --git a/src/helpers/MembersHelper.php b/src/helpers/MembersHelper.php
index 5c003be..8ec1074 100644
--- a/src/helpers/MembersHelper.php
+++ b/src/helpers/MembersHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for member-related API endpoints. */
 class MembersHelper {
diff --git a/src/helpers/ThreadsHelper.php b/src/helpers/ThreadsHelper.php
index 17abac9..97959e7 100644
--- a/src/helpers/ThreadsHelper.php
+++ b/src/helpers/ThreadsHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for thread-related API endpoints. */
 class ThreadsHelper {
diff --git a/src/helpers/resources/DownloadsHelper.php b/src/helpers/resources/DownloadsHelper.php
index 4d9f3df..b55f2dc 100644
--- a/src/helpers/resources/DownloadsHelper.php
+++ b/src/helpers/resources/DownloadsHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers\Resources;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for download-related API endpoints. */
 class DownloadsHelper {
diff --git a/src/helpers/resources/LicensesHelper.php b/src/helpers/resources/LicensesHelper.php
index c44bb00..8bf3359 100644
--- a/src/helpers/resources/LicensesHelper.php
+++ b/src/helpers/resources/LicensesHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers\Resources;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for license-related API endpoints. */
 class LicensesHelper {
diff --git a/src/helpers/resources/PurchasesHelper.php b/src/helpers/resources/PurchasesHelper.php
index dff8bda..70f04ad 100644
--- a/src/helpers/resources/PurchasesHelper.php
+++ b/src/helpers/resources/PurchasesHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers\Resources;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for purchase-related API endpoints. */
 class PurchasesHelper {
diff --git a/src/helpers/resources/ResourcesHelper.php b/src/helpers/resources/ResourcesHelper.php
index 7107435..ecf576f 100644
--- a/src/helpers/resources/ResourcesHelper.php
+++ b/src/helpers/resources/ResourcesHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers\Resources;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for resource-related API endpoints. */
 class ResourcesHelper {
diff --git a/src/helpers/resources/ReviewsHelper.php b/src/helpers/resources/ReviewsHelper.php
index 4318704..c8fde9c 100644
--- a/src/helpers/resources/ReviewsHelper.php
+++ b/src/helpers/resources/ReviewsHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers\Resources;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for review-related API endpoints. */
 class ReviewsHelper {
diff --git a/src/helpers/resources/UpdatesHelper.php b/src/helpers/resources/UpdatesHelper.php
index 7a94fda..af5cb09 100644
--- a/src/helpers/resources/UpdatesHelper.php
+++ b/src/helpers/resources/UpdatesHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers\Resources;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for update-related API endpoints. */
 class UpdatesHelper {
diff --git a/src/helpers/resources/VersionsHelper.php b/src/helpers/resources/VersionsHelper.php
index 4e43b37..2f428f6 100644
--- a/src/helpers/resources/VersionsHelper.php
+++ b/src/helpers/resources/VersionsHelper.php
@@ -1,6 +1,10 @@
 <?php
 // Copyright (c) 2021 Harry [Majored] [hello@majored.pw]
 // MIT License (https://github.com/Majored/php-bbb-api-wrapper/blob/main/LICENSE)
+namespace Majored\PhpBbbApiWrapper\Helpers\Resources;
+
+use Majored\PhpBbbApiWrapper\APIResponse;
+use Majored\PhpBbbApiWrapper\APIWrapper;
 
 /** A helper class for version-related API endpoints. */
 class VersionsHelper {