diff --git a/README.md b/README.md
index 8865248..0ccde26 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ You will then need to:
 * run `composer install` to get these dependencies added to your vendor directory
 * add the autoloader to your application with this line: `require('vendor/autoload.php');`
 
-## Advance usage
+## Usage
 
 Please, refer to the [wiki](https://github.com/ker0x/spotify/wiki) to learn how to use this library
 
diff --git a/src/Api/Me.php b/src/Api/Me.php
index e0a6e15..e8559ec 100644
--- a/src/Api/Me.php
+++ b/src/Api/Me.php
@@ -40,7 +40,7 @@ public function playlists(array $queryParameters = []): PagingResponse
     {
         $uri = $this->createUri('me/playlists', $queryParameters);
 
-        $request = new Request($this->oauthToken, $uri, RequestMethodInterface::METHOD_PUT);
+        $request = new Request($this->oauthToken, $uri, RequestMethodInterface::METHOD_GET);
         $response = $this->client->sendRequest($request);
 
         return new PagingResponse($response);
diff --git a/src/Api/Users.php b/src/Api/Users.php
index 34326ed..75e82c5 100644
--- a/src/Api/Users.php
+++ b/src/Api/Users.php
@@ -40,7 +40,7 @@ public function playlists(string $id, array $queryParameters = []): PagingRespon
     {
         $uri = $this->createUri(sprintf('users/%s/playlists', $id), $queryParameters);
 
-        $request = new Request($this->oauthToken, $uri, RequestMethodInterface::METHOD_PUT);
+        $request = new Request($this->oauthToken, $uri, RequestMethodInterface::METHOD_GET);
         $response = $this->client->sendRequest($request);
 
         return new PagingResponse($response);
diff --git a/tests/TestCase/Api/ArtistsTest.php b/tests/TestCase/Api/ArtistsTest.php
index 3d5071d..7565d24 100644
--- a/tests/TestCase/Api/ArtistsTest.php
+++ b/tests/TestCase/Api/ArtistsTest.php
@@ -10,6 +10,9 @@
 use Kerox\Spotify\Model\Image;
 use Kerox\Spotify\Model\Track;
 use Kerox\Spotify\Response\ArtistResponse;
+use Kerox\Spotify\Response\ArtistsResponse;
+use Kerox\Spotify\Response\PagingResponse;
+use Kerox\Spotify\Response\TracksResponse;
 use Kerox\Spotify\Spotify;
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Client\ClientInterface;
@@ -71,7 +74,7 @@ public function testGetAlbums(): void
         $stream = $this->createMock(StreamInterface::class);
         $stream->method('__toString')->willReturn($body);
 
-        $response = $this->createMock(ArtistResponse::class);
+        $response = $this->createMock(PagingResponse::class);
         $response->method('getBody')->willReturn($stream);
         $response->method('getHeader')->willReturn(['content-type' => 'json']);
         $response->method('getStatusCode')->willReturn(200);
@@ -112,7 +115,7 @@ public function testGetTopTracks(): void
         $stream = $this->createMock(StreamInterface::class);
         $stream->method('__toString')->willReturn($body);
 
-        $response = $this->createMock(ArtistResponse::class);
+        $response = $this->createMock(TracksResponse::class);
         $response->method('getBody')->willReturn($stream);
         $response->method('getHeader')->willReturn(['content-type' => 'json']);
         $response->method('getStatusCode')->willReturn(200);
@@ -137,7 +140,7 @@ public function testGetRelatedArtists(): void
         $stream = $this->createMock(StreamInterface::class);
         $stream->method('__toString')->willReturn($body);
 
-        $response = $this->createMock(ArtistResponse::class);
+        $response = $this->createMock(ArtistsResponse::class);
         $response->method('getBody')->willReturn($stream);
         $response->method('getHeader')->willReturn(['content-type' => 'json']);
         $response->method('getStatusCode')->willReturn(200);
@@ -160,7 +163,7 @@ public function testGetSeveral(): void
         $stream = $this->createMock(StreamInterface::class);
         $stream->method('__toString')->willReturn($body);
 
-        $response = $this->createMock(ArtistResponse::class);
+        $response = $this->createMock(ArtistsResponse::class);
         $response->method('getBody')->willReturn($stream);
         $response->method('getHeader')->willReturn(['content-type' => 'json']);
         $response->method('getStatusCode')->willReturn(200);
diff --git a/tests/TestCase/Api/AudioTest.php b/tests/TestCase/Api/AudioTest.php
index 438e0d5..b4ba66a 100644
--- a/tests/TestCase/Api/AudioTest.php
+++ b/tests/TestCase/Api/AudioTest.php
@@ -9,6 +9,7 @@
 use Kerox\Spotify\Model\AudioAnalysis\Tatum;
 use Kerox\Spotify\Model\AudioFeatures;
 use Kerox\Spotify\Response\AudioAnalysisResponse;
+use Kerox\Spotify\Response\AudioFeaturesResponse;
 use Kerox\Spotify\Spotify;
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Client\ClientInterface;
@@ -137,7 +138,7 @@ public function testGetAudioFeaturesForATrack(): void
         $stream = $this->createMock(StreamInterface::class);
         $stream->method('__toString')->willReturn($body);
 
-        $response = $this->createMock(AudioAnalysisResponse::class);
+        $response = $this->createMock(AudioFeaturesResponse::class);
         $response->method('getBody')->willReturn($stream);
         $response->method('getHeader')->willReturn(['content-type' => 'json']);
         $response->method('getStatusCode')->willReturn(200);
@@ -178,7 +179,7 @@ public function testGetAudioFeaturesForTracks(): void
         $stream = $this->createMock(StreamInterface::class);
         $stream->method('__toString')->willReturn($body);
 
-        $response = $this->createMock(AudioAnalysisResponse::class);
+        $response = $this->createMock(AudioFeaturesResponse::class);
         $response->method('getBody')->willReturn($stream);
         $response->method('getHeader')->willReturn(['content-type' => 'json']);
         $response->method('getStatusCode')->willReturn(200);
diff --git a/tests/TestCase/Api/BrowseTest.php b/tests/TestCase/Api/BrowseTest.php
index e68af2f..df10fd6 100644
--- a/tests/TestCase/Api/BrowseTest.php
+++ b/tests/TestCase/Api/BrowseTest.php
@@ -9,7 +9,9 @@
 use Kerox\Spotify\Model\Seed;
 use Kerox\Spotify\Model\Track;
 use Kerox\Spotify\Response\CategoriesResponse;
+use Kerox\Spotify\Response\CategoryResponse;
 use Kerox\Spotify\Response\FeaturedResponse;
+use Kerox\Spotify\Response\PlaylistsResponse;
 use Kerox\Spotify\Response\RecommendationsResponse;
 use Kerox\Spotify\Response\ReleasesResponse;
 use Kerox\Spotify\Spotify;
@@ -38,7 +40,7 @@ public function testGetCategory(): void
         $stream = $this->createMock(StreamInterface::class);
         $stream->method('__toString')->willReturn($body);
 
-        $response = $this->createMock(CategoriesResponse::class);
+        $response = $this->createMock(CategoryResponse::class);
         $response->method('getBody')->willReturn($stream);
         $response->method('getHeader')->willReturn(['content-type' => 'json']);
         $response->method('getStatusCode')->willReturn(200);
@@ -164,7 +166,7 @@ public function testGetPlaylists(): void
         $stream = $this->createMock(StreamInterface::class);
         $stream->method('__toString')->willReturn($body);
 
-        $response = $this->createMock(CategoriesResponse::class);
+        $response = $this->createMock(PlaylistsResponse::class);
         $response->method('getBody')->willReturn($stream);
         $response->method('getHeader')->willReturn(['content-type' => 'json']);
         $response->method('getStatusCode')->willReturn(200);