doc-exports/docs/apig/umn/apig-faq-2005020.html
Chen, Junjie 91c429e341 APIG UMN 20230331 version
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Chen, Junjie <chenjunjie@huawei.com>
Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
2023-06-01 08:59:08 +00:00

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<a name="apig-faq-2005020"></a><a name="apig-faq-2005020"></a>
<h1 class="topictitle1">How Do I Call an API That Does Not Require Authentication?</h1>
<div id="body1588755234230"><p id="apig-faq-2005020__en-us_topic_0242709195_p264604712234">To call APIs that do not require authentication, construct standard HTTP requests and send them to APIG.</p>
<div class="note" id="apig-faq-2005020__en-us_topic_0242709195_note14873193944311"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="apig-faq-2005020__en-us_topic_0242709195_p14874103911434">APIG <strong id="apig-faq-2005020__en-us_topic_0242709195_b104131411483">transparently transmits</strong> requests to call an API that does not require authentication to the backend service. If you want requests to be authenticated on the API backend service, you can set <strong id="apig-faq-2005020__en-us_topic_0242709195_b142720815492">Security Authentication</strong> to <strong id="apig-faq-2005020__en-us_topic_0242709195_b1133982491">None</strong>. The API caller transfers the fields required for authentication to the backend service, and the backend service performs authentication.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="apig-faq-auth.html">API Authentication</a></div>
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