Spotify.NET/docs/error_handling/index.html
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<title data-react-helmet="true">Error Handling | SpotifyAPI-NET</title><meta data-react-helmet="true" property="og:url" content="https://johnnycrazy.github.io/SpotifyAPI-NET/docs/error_handling"><meta data-react-helmet="true" name="docusaurus_locale" content="en"><meta data-react-helmet="true" name="docusaurus_version" content="current"><meta data-react-helmet="true" name="docusaurus_tag" content="docs-default-current"><meta data-react-helmet="true" property="og:title" content="Error Handling | SpotifyAPI-NET"><meta data-react-helmet="true" name="description" content="API calls can fail when input data is malformed or the server detects issues with the request. As an example, the following request obviously fails:"><meta data-react-helmet="true" property="og:description" content="API calls can fail when input data is malformed or the server detects issues with the request. As an example, the following request obviously fails:"><link data-react-helmet="true" rel="shortcut icon" href="/SpotifyAPI-NET/img/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://johnnycrazy.github.io/SpotifyAPI-NET/docs/error_handling"><link data-react-helmet="true" rel="alternate" href="https://johnnycrazy.github.io/SpotifyAPI-NET/docs/error_handling" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://johnnycrazy.github.io/SpotifyAPI-NET/docs/error_handling" hreflang="x-default"><link rel="stylesheet" href="/SpotifyAPI-NET/assets/css/styles.834af7f3.css">
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padding-bottom--lg"><div class="row"><div class="col docItemCol_3FnS"><div class="docItemContainer_33ec"><article><span class="badge badge--secondary">Version: 6.X</span><div class="tocCollapsible_1PrD tocMobile_3Hoh"><button type="button" class="clean-btn tocCollapsibleButton_2O1e">On this page</button></div><div class="markdown"><header><h1 class="h1Heading_27L5">Error Handling</h1></header><p>API calls can fail when input data is malformed or the server detects issues with the request. As an example, the following request obviously fails:</p><div class="codeBlockContainer_K1bP"><div class="codeBlockContent_hGly csharp"><pre tabindex="0" class="prism-code language-csharp codeBlock_23N8 thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_39YC"><span class="token-line" style="color:#bfc7d5"><span class="token plain">var track = await spotify.Tracks.Get(&quot;NotExistingTrackId&quot;);</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">Console.WriteLine(track.Name);</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_Ue-o clean-btn">Copy</button></div></div><p>When a request fails, an <code>APIException</code> is thrown. Specific errors may throw a child exception of <code>APIException</code>.</p><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_2LWZ" id="apiexception"></a>APIException<a class="hash-link" href="#apiexception" title="Direct link to heading">#</a></h2><p>A very general API error. The message is parsed from the API response&#x27;s JSON body and the response is available as a public property.</p><div class="codeBlockContainer_K1bP"><div class="codeBlockContent_hGly csharp"><pre tabindex="0" class="prism-code language-csharp codeBlock_23N8 thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_39YC"><span class="token-line" style="color:#bfc7d5"><span class="token plain">try {</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> var track = await spotify.Tracks.Get(&quot;NotExistingTrackId&quot;);</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">} catch(APIException e) {</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> // Prints: invalid id</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> Console.WriteLine(e.Message);</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> // Prints: BadRequest</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> Console.WriteLine(e.Response?.StatusCode);</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">}</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_Ue-o clean-btn">Copy</button></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_2LWZ" id="apiunauthorizedexception"></a>APIUnauthorizedException<a class="hash-link" href="#apiunauthorizedexception" title="Direct link to heading">#</a></h2><p>Provides the same properties as <code>APIException</code> and occurs when the access token is expired or not provided. Notice that an access token has to be included in <strong>every</strong> request. Spotify does not allow unauthorized API access.</p><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_2LWZ" id="apitoomanyrequestsexception"></a>APITooManyRequestsException<a class="hash-link" href="#apitoomanyrequestsexception" title="Direct link to heading">#</a></h2><p>Provides the same properties as <code>APIException</code> and occurs when too many requests has been sent by your application. It also provides the property <code>TimeSpan RetryAfter</code>, which maps to the received <code>Retry-After</code> header.</p><div class="codeBlockContainer_K1bP"><div class="codeBlockContent_hGly csharp"><pre tabindex="0" class="prism-code language-csharp codeBlock_23N8 thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_39YC"><span class="token-line" style="color:#bfc7d5"><span class="token plain">try {</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> // call it very often?</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> var track = await spotify.Tracks.Get(&quot;1s6ux0lNiTziSrd7iUAADH&quot;);</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">} catch(APITooManyRequestsException e) {</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> // Prints: seconds to wait, often 1 or 2</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> Console.WriteLine(e.RetryAfter);</span></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">}</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_Ue-o clean-btn">Copy</button></div></div></div><footer class="row docusaurus-mt-lg"><div class="col"><a href="https://github.com/JohnnyCrazy/SpotifyAPI-NET/edit/master/SpotifyAPI.Docs/docs/error_handling.md" target="_blank" rel="noreferrer noopener"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_2_ui" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_3DPF">Last updated on <b><time datetime="2022-05-19T04:05:49.000Z">5/19/2022</time></b> by <b>dependabot[bot]</b></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><div class="pagination-nav__item"><a class="pagination-nav__link" href="/SpotifyAPI-NET/docs/getting_started"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">« Getting Started</div></a></div><div class="pagination-nav__item pagination-nav__item--next"><a class="pagination-nav__link" href="/SpotifyAPI-NET/docs/configuration"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Configuration »</div></a></div></nav></div></div><div class="col col--3"><div class="tableOfContents_35-E thin-scrollbar"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#apiexception" class="table-of-contents__link">APIException</a></li><li><a href="#apiunauthorizedexception" class="table-of-contents__link">APIUnauthorizedException</a></li><li><a href="#apitoomanyrequestsexception" class="table-of-contents__link">APITooManyRequestsException</a></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2022 Jonas Dellinger. 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