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    <title>topic Access to XMLHttpRequest at 'https://api.spotify.com/v1/me' from origin in Spotify for Developers</title>
    <link>https://community.spotify.com/t5/Spotify-for-Developers/Access-to-XMLHttpRequest-at-https-api-spotify-com-v1-me-from/m-p/5632977#M10658</link>
    <description>&lt;P&gt;&lt;STRONG&gt;My Question or Issue:&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;Im a fairly new developer trying to setup spotify integration for a web app I'm building. So far I've been able to get the access_token stored as a cookie, but when the frontend loads, I get the error:&lt;BR /&gt;"Access to XMLHttpRequest at '&lt;A href="https://api.spotify.com/v1/me" target="_blank" rel="noopener"&gt;https://api.spotify.com/v1/me&lt;/A&gt;' from origin '&lt;A href="http://localhost:3000" target="_blank" rel="noopener"&gt;http://localhost:3000&lt;/A&gt;' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute."&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;I believe I have my cors setup properly in the backend&lt;BR /&gt;"&lt;/STRONG&gt;&lt;/P&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;origins &lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt; [&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"&lt;A href="http://localhost:3000" target="_blank" rel="noopener"&gt;http://localhost:3000&lt;/A&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"&lt;A href="http://localhost:8000" target="_blank" rel="noopener"&gt;http://localhost:8000&lt;/A&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"&lt;A href="https://accounts.spotify.com" target="_blank" rel="noopener"&gt;https://accounts.spotify.com&lt;/A&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"&lt;A href="https://api.spotify.com" target="_blank" rel="noopener"&gt;https://api.spotify.com&lt;/A&gt;"&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;]&lt;/SPAN&gt;&lt;/DIV&gt;&lt;BR /&gt;&lt;DIV&gt;&lt;SPAN&gt;app.add_middleware(&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; CORSMiddleware,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;allow_origins&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;origins,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;allow_credentials&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;True&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;allow_methods&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;[&lt;/SPAN&gt;&lt;SPAN&gt;"GET"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"POST"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"PUT"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"DELETE"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"PATCH"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"OPTIONS"&lt;/SPAN&gt;&lt;SPAN&gt;],&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;allow_headers&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;[&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"Authorization"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"Content-Type"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"Access-Control-Allow-Headers"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"X-Requested-With"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"X-Custom-Header"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; ],&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;max_age&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;3600&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;)"&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;However I am a new developer and could be completely wrong. I am using docker containers for each the frontend and the backend.&amp;nbsp; I am including withCredentials:true in my frontend when trying to make requests. Sorry if this is a dumb question, I'm just stuck right now.&lt;/SPAN&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Thu, 07 Sep 2023 16:17:09 GMT</pubDate>
    <dc:creator>126256458</dc:creator>
    <dc:date>2023-09-07T16:17:09Z</dc:date>
    <item>
      <title>Access to XMLHttpRequest at 'https://api.spotify.com/v1/me' from origin</title>
      <link>https://community.spotify.com/t5/Spotify-for-Developers/Access-to-XMLHttpRequest-at-https-api-spotify-com-v1-me-from/m-p/5632977#M10658</link>
      <description>&lt;P&gt;&lt;STRONG&gt;My Question or Issue:&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;Im a fairly new developer trying to setup spotify integration for a web app I'm building. So far I've been able to get the access_token stored as a cookie, but when the frontend loads, I get the error:&lt;BR /&gt;"Access to XMLHttpRequest at '&lt;A href="https://api.spotify.com/v1/me" target="_blank" rel="noopener"&gt;https://api.spotify.com/v1/me&lt;/A&gt;' from origin '&lt;A href="http://localhost:3000" target="_blank" rel="noopener"&gt;http://localhost:3000&lt;/A&gt;' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'. The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCredentials attribute."&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;I believe I have my cors setup properly in the backend&lt;BR /&gt;"&lt;/STRONG&gt;&lt;/P&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;origins &lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt; [&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"&lt;A href="http://localhost:3000" target="_blank" rel="noopener"&gt;http://localhost:3000&lt;/A&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"&lt;A href="http://localhost:8000" target="_blank" rel="noopener"&gt;http://localhost:8000&lt;/A&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"&lt;A href="https://accounts.spotify.com" target="_blank" rel="noopener"&gt;https://accounts.spotify.com&lt;/A&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"&lt;A href="https://api.spotify.com" target="_blank" rel="noopener"&gt;https://api.spotify.com&lt;/A&gt;"&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;]&lt;/SPAN&gt;&lt;/DIV&gt;&lt;BR /&gt;&lt;DIV&gt;&lt;SPAN&gt;app.add_middleware(&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; CORSMiddleware,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;allow_origins&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;origins,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;allow_credentials&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;True&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;allow_methods&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;[&lt;/SPAN&gt;&lt;SPAN&gt;"GET"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"POST"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"PUT"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"DELETE"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"PATCH"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"OPTIONS"&lt;/SPAN&gt;&lt;SPAN&gt;],&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;allow_headers&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;[&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"Authorization"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"Content-Type"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"Access-Control-Allow-Headers"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"X-Requested-With"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;"X-Custom-Header"&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; ],&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;&lt;SPAN&gt;max_age&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;3600&lt;/SPAN&gt;&lt;SPAN&gt;,&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;)"&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;However I am a new developer and could be completely wrong. I am using docker containers for each the frontend and the backend.&amp;nbsp; I am including withCredentials:true in my frontend when trying to make requests. Sorry if this is a dumb question, I'm just stuck right now.&lt;/SPAN&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 07 Sep 2023 16:17:09 GMT</pubDate>
      <guid>https://community.spotify.com/t5/Spotify-for-Developers/Access-to-XMLHttpRequest-at-https-api-spotify-com-v1-me-from/m-p/5632977#M10658</guid>
      <dc:creator>126256458</dc:creator>
      <dc:date>2023-09-07T16:17:09Z</dc:date>
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