{"id":18903110,"date":"2026-05-08T17:31:21","date_gmt":"2026-05-08T17:31:21","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/error-500-api\/"},"modified":"2026-05-08T17:31:21","modified_gmt":"2026-05-08T17:31:21","slug":"error-500-api","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/error-500-api\/","title":{"rendered":"Error 500 API"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hello,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I&#8217;m having an issue with the Woo MailerLite plugin version 3.1.16 on WordPress.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When I try to connect the API key inside the plugin settings, the connection fails and returns a 500 Internal Server Error.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What I already checked:<\/p>\n\n\n\n<ul>\n<li>PHP version: 8.2.30<\/li>\n\n\n\n<li>WordPress REST API is working correctly (<code>\/wp-json\/<\/code> works fine)<\/li>\n\n\n\n<li>Debug mode enabled in WordPress<\/li>\n\n\n\n<li>API key regenerated from MailerLite<\/li>\n\n\n\n<li>Plugin reinstalled<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The error happens immediately after clicking the API connect button.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Is this a known issue or compatibility problem with recent WordPress\/PHP versions?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thanks.<\/p>\n","protected":false},"template":"","class_list":["post-18903110","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18903110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18903110\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=18903110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}