{"id":364,"date":"2026-04-29T04:18:40","date_gmt":"2026-04-29T04:18:40","guid":{"rendered":"https:\/\/uidesign.at\/wordpress-vat-plugin-validation-for-forms\/"},"modified":"2026-04-30T04:17:03","modified_gmt":"2026-04-30T04:17:03","slug":"wordpress-vat-plugin-validation-for-forms","status":"publish","type":"page","link":"https:\/\/uidesign.at\/en\/wordpress-vat-plugin-validation-for-forms\/","title":{"rendered":"WordPress VAT Plugin \u2013 Validation for Forms"},"content":{"rendered":"\n<section class=\"wp-block-greenshift-blocks-row alignfull gspb_row gspb_row-id-gsbp-a90ee23\" id=\"gspb_row-id-gsbp-a90ee23\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--12 gspb_col-id-gsbp-e7cad5b\" id=\"gspb_col-id-gsbp-e7cad5b\">\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-bd27a88 gspb_row--gutter-custom-0\" id=\"gspb_row-id-gsbp-bd27a88\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--8 gspb_col-id-gsbp-a7edca4\" id=\"gspb_col-id-gsbp-a7edca4\">\n<h1 id=\"gspb_heading-id-gsbp-7ca82ad\" class=\"gspb_heading gspb_heading-id-gsbp-7ca82ad \">WordPress VAT Plugin for EU VAT IDs<span class=\"gspb_heading_subtitle\">Simple VAT ID validation for Contact Form 7, WPForms and Fluent Forms<\/span><\/h1>\n\n\n\n<p>A lightweight WordPress plugin for validating EU VAT IDs directly in forms<\/p>\n\n\n\n<p>Vatigo was built to solve a concrete problem: B2B websites need reliable VAT ID validation right inside the form \u2013 no detours, no external dependencies.<\/p>\n\n\n\n<p>The plugin was developed from scratch as a standalone product, with a focus on clean WordPress integration, straightforward UX and a freemium model that scales from offline regex checks to live validation via the official EU VIES API.<\/p>\n\n\n\n<p>The main technical challenge was consistent integration across multiple form plugins \u2013 Contact Form 7, WPForms and Fluent Forms \u2013 while fully meeting WordPress.org coding standards.<\/p>\n\n\n\n<p>The result is a focused tool for agencies, SaaS products and B2B websites that works plug &amp; play and is GDPR-compliant by design.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--4 gspb_col-id-gsbp-a7aa185\" id=\"gspb_col-id-gsbp-a7aa185\">\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-f2121f5\" id=\"gspb_image-id-gsbp-f2121f5\"><img decoding=\"async\" src=\"https:\/\/uidesign.at\/wp-content\/uploads\/2026\/04\/icon-256x256-1.png\" data-src=\"\" alt=\"WordPress VAT Plugin \u2013 EU VAT validation for forms\" loading=\"lazy\" width=\"256\" height=\"256\"><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/vatigo.eu\" data-type=\"link\" data-id=\"https:\/\/vatigo.eu\" target=\"_blank\" rel=\"noopener\">vatigo.eu<\/a><\/p>\n<\/div>\n <\/div><\/div>\n<\/div>\n <\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"#gspb_row-id-gsbp-a90ee23{padding-top:48px;padding-bottom:48px}#gspb_row-id-gsbp-a90ee23>.gspb_row__content{display:flex;justify-content:space-between;margin:0 auto;width:100%;flex-wrap:wrap}.gspb_row{position:relative}div[id^=gspb_col-id]{box-sizing:border-box;position:relative;padding:var(--gs-row-column-padding, 15px min(3vw, 20px))}#gspb_col-id-gsbp-e7cad5b.gspb_row__col--12{width:100%}@media (max-width:575.98px){#gspb_col-id-gsbp-e7cad5b.gspb_row__col--12{width:100%}}#gspb_row-id-gsbp-a90ee23,#gspb_row-id-gsbp-bd27a88{justify-content:space-between;margin-top:0;margin-bottom:0;display:flex;flex-wrap:wrap}#gspb_row-id-gsbp-bd27a88>.gspb_row__content{display:flex;justify-content:space-between;margin:0 auto;width:100%;flex-wrap:wrap}body.gspb-bodyfront #gspb_row-id-gsbp-a90ee23>.gspb_row__content,body.gspb-bodyfront #gspb_row-id-gsbp-bd27a88>.gspb_row__content{width:var(--theme-container-width, 1200px);max-width:var(--theme-normal-container-max-width, 1200px)}#gspb_col-id-gsbp-a7edca4.gspb_row__col--8{width:calc(66.66666666666667% - 24px)}@media (max-width:991.98px){#gspb_col-id-gsbp-a7edca4.gspb_row__col--8{width:calc(66.66666666666667% - 24px)}}@media (max-width:767.98px){#gspb_col-id-gsbp-a7edca4.gspb_row__col--8{width:calc(66.66666666666667% - 24px)}}@media (max-width:575.98px){#gspb_col-id-gsbp-a7edca4.gspb_row__col--8{width:100%}}#gspb_heading-id-gsbp-7ca82ad .gspb_heading_subtitle,#gspb_subheading-id-gsbp-7ca82ad{display:block;font-size:17px;line-height:22px;margin-top:5px}#gspb_col-id-gsbp-a7aa185.gspb_row__col--4{width:calc(33.333333333333336% - 24px)}@media (max-width:991.98px){#gspb_col-id-gsbp-a7aa185.gspb_row__col--4{width:calc(33.333333333333336% - 24px)}}@media (max-width:767.98px){#gspb_col-id-gsbp-a7aa185.gspb_row__col--4{width:calc(33.333333333333336% - 24px)}}@media (max-width:575.98px){#gspb_col-id-gsbp-a7aa185.gspb_row__col--4{width:100%}}#gspb_image-id-gsbp-f2121f5{text-align:center;height:auto}#gspb_image-id-gsbp-f2121f5 img{vertical-align:top;display:inline-block;box-sizing:border-box;max-width:100%;width:256px;height:auto}@media (max-width:991.98px){#gspb_image-id-gsbp-f2121f5,#gspb_image-id-gsbp-f2121f5 img{height:auto}}@media (max-width:767.98px){#gspb_image-id-gsbp-f2121f5,#gspb_image-id-gsbp-f2121f5 img{height:auto}}@media (max-width:575.98px){#gspb_image-id-gsbp-f2121f5,#gspb_image-id-gsbp-f2121f5 img{height:auto}}","footnotes":""},"class_list":["post-364","page","type-page","status-publish","hentry"],"blocksy_meta":{"has_hero_section":"disabled","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/uidesign.at\/en\/wp-json\/wp\/v2\/pages\/364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uidesign.at\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/uidesign.at\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/uidesign.at\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/uidesign.at\/en\/wp-json\/wp\/v2\/comments?post=364"}],"version-history":[{"count":2,"href":"https:\/\/uidesign.at\/en\/wp-json\/wp\/v2\/pages\/364\/revisions"}],"predecessor-version":[{"id":366,"href":"https:\/\/uidesign.at\/en\/wp-json\/wp\/v2\/pages\/364\/revisions\/366"}],"wp:attachment":[{"href":"https:\/\/uidesign.at\/en\/wp-json\/wp\/v2\/media?parent=364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}