{"id":4098,"date":"2026-03-29T21:22:29","date_gmt":"2026-03-30T02:22:29","guid":{"rendered":"https:\/\/promincproductions.com\/blog\/?p=4098"},"modified":"2026-04-08T20:02:12","modified_gmt":"2026-04-09T01:02:12","slug":"re-authenticate-tuya-devices-in-home-assistant","status":"publish","type":"post","link":"https:\/\/promincproductions.com\/blog\/re-authenticate-tuya-devices-in-home-assistant\/","title":{"rendered":"Re-Authenticate Tuya Devices in Home Assistant"},"content":{"rendered":"<p>Authentication of Tuya devices within Home Assistant needs to be re-established from time to time.  At times though, the experience can be frustrating and blocking.  Knowing how to find the right way to solve the problems results in a quick resolution without frustration.  Here are some of the top issues that might arise.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-re-authentication.png\" alt=\"Home Assistant Tuya Re-Authentication\" class=\"wp-image-4105\" srcset=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-re-authentication.png 600w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-re-authentication-500x500.png 500w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-re-authentication-150x150.png 150w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-re-authentication-450x450.png 450w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Re-Authenticate in Home Assistant with QR code<\/h2>\n\n\n\n<p>Overtime, Home Assistant will need to be re-authenticated to Tuya \/ SmartLife App for the system to work. The process of re-authentication is pretty straightforward &#8211; just scan a QR code in the SmartLife app.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"229\" src=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-1024x229.png\" alt=\"Home Assistant Tuya authentication expired notification\" class=\"wp-image-4103\" srcset=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-1024x229.png 1024w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-500x112.png 500w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-768x172.png 768w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-450x101.png 450w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error.png 1147w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>However, by time you get into Home Assistant to do this, the QR code may have expired thus causing the process to fail. So how does one proceed? The QR code just needs to be regenerated.  See the steps below.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"719\" height=\"1024\" src=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails-719x1024.png\" alt=\"Tuya SmartLife app indicating QR code has expired\" class=\"wp-image-4100\" srcset=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails-719x1024.png 719w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails-351x500.png 351w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails-768x1094.png 768w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails-1078x1536.png 1078w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails-450x641.png 450w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails-1024x1459.png 1024w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails-421x600.png 421w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tyua-authentication-smart-life-qr-scan-fails.png 1179w\" sizes=\"(max-width: 719px) 100vw, 719px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-qr-code-2-1024x614.png\" alt=\"Home Assistant Tuya re-authentication QR code\" class=\"wp-image-4101\" srcset=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-qr-code-2-1024x614.png 1024w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-qr-code-2-500x300.png 500w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-qr-code-2-768x460.png 768w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-qr-code-2-450x270.png 450w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-qr-code-2-1001x600.png 1001w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-error-qr-code-2.png 1398w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>Here are the steps to get the QR code to scan and re-authenticate with the Tuya SmartLife app.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Go to: <strong>Settings -&gt; Devices &amp; Services -&gt; Tuya<\/strong><\/li>\n\n\n\n<li>Click the 3 dots on the <strong>Hub<\/strong> that needs to be re-authenticated and choose <strong>Reload<\/strong><\/li>\n\n\n\n<li>Click the <strong>Reconfigure<\/strong> button<\/li>\n\n\n\n<li>On your phone, open the <strong>SmartLife<\/strong> app<\/li>\n\n\n\n<li>Tap the <strong>+<\/strong> icon in the top right<\/li>\n\n\n\n<li>Tap <strong>Scan<\/strong><\/li>\n\n\n\n<li>Scan the QR Code in Home Assistant with your phone<\/li>\n<\/ol>\n\n\n\n<p>At this point things should be re-authenticated and you&#8217;re all set to go.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"548\" src=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-success-1024x548.png\" alt=\"Home Assistant Tuya device successfully authenticated\" class=\"wp-image-4102\" srcset=\"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-success-1024x548.png 1024w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-success-500x267.png 500w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-success-768x411.png 768w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-success-450x241.png 450w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-success-1122x600.png 1122w, https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-authentication-success.png 1292w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Resources<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.reddit.com\/r\/homeassistant\/comments\/1g2sfe1\/reauthenticating_to_tuya_says_qr_code_is_expired\/\">https:\/\/www.reddit.com\/r\/homeassistant\/comments\/1g2sfe1\/reauthenticating_to_tuya_says_qr_code_is_expired\/<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Resetting API Keys<\/h2>\n\n\n\n<p>Tuya only grants API for so long &#8211; a few months at a time.  You&#8217;ll need to renew this for devices to continue to work.  Navigating the Tuya platform can be a bit confusing at times, so here are the steps to take.  An email should be sent with some guidance.  But if not, this should get you on track.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Login at: <a href=\"https:\/\/www.tuya.com\/vas\/user\/service\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.tuya.com\/vas\/user\/service<\/a><\/li>\n\n\n\n<li>Under the <strong>My Services<\/strong> tab, click on the <strong>View Used Progress<\/strong> link for the <strong>IoT Core<\/strong> entry<\/li>\n\n\n\n<li>Click the <strong>Renewal<\/strong> button for entry where <strong>Service Item Name<\/strong> = <strong>IoT Core<\/strong><\/li>\n\n\n\n<li><\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Authentication of Tuya devices within Home Assistant needs to be re-established from time to time. At times though, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4105,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[387,332],"tags":[331],"class_list":["post-4098","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-home-assistant","category-smart-home","tag-home-assistant"],"jetpack_featured_media_url":"https:\/\/promincproductions.com\/blog\/wp-content\/uploads\/2026\/03\/home-assistant-tuya-re-authentication.png","jetpack_shortlink":"https:\/\/wp.me\/p4BbcR-146","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/posts\/4098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/comments?post=4098"}],"version-history":[{"count":3,"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/posts\/4098\/revisions"}],"predecessor-version":[{"id":4110,"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/posts\/4098\/revisions\/4110"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/media\/4105"}],"wp:attachment":[{"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/media?parent=4098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/categories?post=4098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/promincproductions.com\/blog\/wp-json\/wp\/v2\/tags?post=4098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}