diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9c0682..575072a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 - [Profile Information](https://wiki.vg/Mojang_API#Profile_Information) endpoint.
+- [Change skin](https://wiki.vg/Mojang_API#Change_Skin) endpoint.
+- [Upload skin](https://wiki.vg/Mojang_API#Upload_Skin) endpoint.
 
 ## [0.2.1] - 2020-06-10
 ### Added
diff --git a/src/Api.php b/src/Api.php
index b863a34..e457510 100644
--- a/src/Api.php
+++ b/src/Api.php
@@ -210,6 +210,7 @@ class Api {
      *
      * @throws GuzzleException
      *
+     * @deprecated
      * @url https://wiki.vg/Mojang_API#Upload_Skin
      */
     public function uploadSkin(string $accessToken, string $accountUuid, $skinContents, bool $isSlim): void {
@@ -573,6 +574,55 @@ class Api {
         );
     }
 
+    /**
+     * @param string $accessToken
+     * @param \Psr\Http\Message\StreamInterface|resource|string $skinContents
+     * @param bool $isSlim
+     *
+     * @throws GuzzleException
+     *
+     * @url https://wiki.vg/Mojang_API#Upload_Skin
+     */
+    public function uploadSkinByFile(string $accessToken, $skinContents, bool $isSlim): void {
+        $this->getClient()->request('POST', 'https://api.minecraftservices.com/minecraft/profile/skins', [
+            RequestOptions::MULTIPART => [
+                [
+                    'name' => 'file',
+                    'contents' => $skinContents,
+                    'filename' => 'char.png',
+                ],
+                [
+                    'name' => 'variant',
+                    'contents' => $isSlim ? 'slim' : 'classic',
+                ],
+            ],
+            RequestOptions::HEADERS => [
+                'Authorization' => 'Bearer ' . $accessToken,
+            ],
+        ]);
+    }
+
+    /**
+     * @param string $accessToken
+     * @param string $skinUrl
+     * @param bool $isSlim
+     *
+     * @throws GuzzleException
+     *
+     * @url https://wiki.vg/Mojang_API#Change_Skin
+     */
+    public function uploadSkinByUrl(string $accessToken, string $skinUrl, bool $isSlim): void {
+        $this->getClient()->request('POST', 'https://api.minecraftservices.com/minecraft/profile/skins', [
+            RequestOptions::JSON => [
+                'variant' => $isSlim ? 'slim' : 'classic',
+                'url' => $skinUrl,
+            ],
+            RequestOptions::HEADERS => [
+                'Authorization' => 'Bearer ' . $accessToken,
+            ],
+        ]);
+    }
+
     /**
      * @return ClientInterface
      */
diff --git a/tests/ApiTest.php b/tests/ApiTest.php
index 0422b07..ac1d0e9 100644
--- a/tests/ApiTest.php
+++ b/tests/ApiTest.php
@@ -778,6 +778,28 @@ class ApiTest extends TestCase {
         $this->assertSame('Minecon2013', $result->getCapes()[0]->getAlias());
     }
 
+    public function testUploadSkinByFile(): void {
+        $this->mockHandler->append(new Response(200));
+        $this->api->uploadSkinByFile('mock access token', 'skin contents', false);
+
+        /** @var \Psr\Http\Message\RequestInterface $request */
+        $request = $this->history[0]['request'];
+        $this->assertSame('Bearer mock access token', $request->getHeaderLine('Authorization'));
+        $this->assertStringContainsString('skin contents', (string)$request->getBody());
+        $this->assertStringContainsString('classic', (string)$request->getBody());
+    }
+
+    public function testUploadSkinByUrl(): void {
+        $this->mockHandler->append(new Response(200));
+        $this->api->uploadSkinByUrl('mock access token', 'https://example.com/skin.png', false);
+
+        /** @var \Psr\Http\Message\RequestInterface $request */
+        $request = $this->history[0]['request'];
+        $this->assertSame('Bearer mock access token', $request->getHeaderLine('Authorization'));
+        $this->assertSame('application/json', $request->getHeaderLine('Content-Type'));
+        $this->assertSame('{"variant":"classic","url":"https:\/\/example.com\/skin.png"}', (string)$request->getBody());
+    }
+
     private function createResponse(int $statusCode, array $response): ResponseInterface {
         return new Response($statusCode, ['content-type' => 'json'], json_encode($response));
     }