Spotify API 未提供令牌

Spotify API no token provided

Spotify API 授权如何运作?我读过 Spotify 和 Guzzle 文档,将一个和一个放在一起:

    $client = new GuzzleHttp\Client();
    $res = $client->get('https://api.spotify.com/v1/me', [
        'Authorization' =>  ['Bearer ' . $session_owner->spotify_token],
    ]);

    echo $res->getStatusCode(); // 200
    echo $res->getBody();

但收到此错误消息:

"error": { "status": 401, "message": "No token provided" }

    $res = $client->post('https://api.spotify.com/v1/me', [
        'headers' => [
            'Authorization' =>  ['Bearer ' . $session_owner->spotify_token],
        ]
    ]);