diff --git a/README.md b/README.md
index 897e9d8..7ac988a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Max Bot API Client library for PHP
+# Max Messenger Bot API Client library for PHP
 
 [![Actions status](https://github.com/BushlanovDev/max-bot-api-client-php/actions/workflows/ci.yml/badge.svg?style=flat-square)](https://github.com/BushlanovDev/max-bot-api-client-php/actions)
 [![Coverage](https://raw.githubusercontent.com/BushlanovDev/max-bot-api-client-php/refs/heads/master/.github/badge-coverage.svg?v=2)](https://github.com/BushlanovDev/max-bot-api-client-php/actions)
diff --git a/docs/README.md b/docs/README.md
index f025196..6077c77 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -332,7 +332,8 @@ $updateList = $api->getUpdates(
 
 ```php
 $uploadEndpoint = $api->getUploadUrl(UploadType::Video);
-// Далее вы можете загрузить файл по полученному URL самостоятельно или воспользоваться методом Client::upload()
+// Далее вы можете загрузить файл по полученному URL самостоятельно
+// или воспользоваться методами Client::multipartUpload(), Client::resumableUpload(), Api::uploadFile()
 ```
 
 ### Загрузка файла
diff --git a/src/Api.php b/src/Api.php
index 8d7e242..39f1358 100644
--- a/src/Api.php
+++ b/src/Api.php
@@ -446,6 +446,8 @@ class Api
     }
 
     /**
+     * Uploads a file to the specified URL.
+     *
      * @param string $uploadUrl The target URL for the upload.
      * @param resource $fileHandle A stream resource pointing to the file.
      * @param string $fileName The desired file name for the upload.
diff --git a/src/Client.php b/src/Client.php
index d7edadd..5d48fa7 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -181,7 +181,9 @@ final readonly class Client implements ClientApiInterface
         while (!feof($fileResource)) {
             $chunk = fread($fileResource, $chunkSize);
             if ($chunk === false) {
+                // @codeCoverageIgnoreStart
                 throw new RuntimeException('Failed to read chunk from file stream.');
+                // @codeCoverageIgnoreEnd
             }
 
             $chunkLength = strlen($chunk);
diff --git a/tests/ClientTest.php b/tests/ClientTest.php
index 00b901d..323179b 100644
--- a/tests/ClientTest.php
+++ b/tests/ClientTest.php
@@ -451,4 +451,89 @@ final class ClientTest extends TestCase
         $this->client->resumableUpload('http://a.b', $fileResource, 'file.txt', 9);
         fclose($fileResource);
     }
+
+    #[Test]
+    public function resumableUploadSuccessfullyUploadsSingleChunk(): void
+    {
+        $fileContents = 'test-data';
+        $fileResource = fopen('php://memory', 'w+');
+        fwrite($fileResource, $fileContents);
+        rewind($fileResource);
+
+        $uploadUrl = 'http://a.b';
+        $fileName = 'file.txt';
+        $fileSize = strlen($fileContents);
+
+        $this->requestFactoryMock->method('createRequest')->willReturn($this->requestMock);
+        $this->requestMock->method('withBody')->willReturnSelf();
+        $this->requestMock->method('withHeader')->willReturnSelf();
+
+        $this->httpClientMock
+            ->expects($this->once())
+            ->method('sendRequest')
+            ->with($this->requestMock)
+            ->willReturn($this->responseMock);
+
+        $this->responseMock->method('getStatusCode')->willReturn(200);
+        $this->streamMock->method('__toString')->willReturn('<retval>1</retval>');
+
+        $result = $this->client->resumableUpload($uploadUrl, $fileResource, $fileName, $fileSize);
+
+        $this->assertSame('<retval>1</retval>', $result);
+        fclose($fileResource);
+    }
+
+    #[Test]
+    public function resumableUploadSuccessfullyUploadsMultipleChunks(): void
+    {
+        $fileContents = str_repeat('A', 3 * 1024 * 1024); // 3 MB
+        $fileResource = fopen('php://memory', 'w+');
+        fwrite($fileResource, $fileContents);
+        rewind($fileResource);
+
+        $uploadUrl = 'http://a.b';
+        $fileName = 'bigfile.bin';
+        $fileSize = strlen($fileContents);
+
+        $this->requestFactoryMock->method('createRequest')->willReturn($this->requestMock);
+        $this->requestMock->method('withBody')->willReturnSelf();
+        $this->requestMock->method('withHeader')->willReturnSelf();
+
+        $this->httpClientMock
+            ->expects($this->exactly(3))
+            ->method('sendRequest')
+            ->willReturnOnConsecutiveCalls(
+                $this->responseMock,
+                $this->responseMock,
+                $this->responseMock,
+            );
+
+        $this->responseMock->method('getStatusCode')->willReturn(200);
+        $this->streamMock
+            ->method('__toString')
+            ->willReturnOnConsecutiveCalls('', '', '<retval>1</retval>');
+
+        $result = $this->client->resumableUpload($uploadUrl, $fileResource, $fileName, $fileSize, 1024 * 1024);
+
+        $this->assertSame('<retval>1</retval>', $result);
+        fclose($fileResource);
+    }
+
+    #[Test]
+    public function resumableUploadStopsOnEmptyChunk(): void
+    {
+        $fileResource = fopen('php://memory', 'w+');
+        rewind($fileResource);
+
+        $uploadUrl = 'http://a.b';
+        $fileName = 'empty.txt';
+
+        $this->requestFactoryMock->expects($this->never())->method('createRequest');
+        $this->httpClientMock->expects($this->never())->method('sendRequest');
+
+        $result = $this->client->resumableUpload($uploadUrl, $fileResource, $fileName, 100);
+
+        $this->assertSame('', $result);
+        fclose($fileResource);
+    }
 }