{"id":1015,"date":"2026-01-17T19:18:28","date_gmt":"2026-01-17T17:18:28","guid":{"rendered":"https:\/\/etimologiera.gr\/?p=1015"},"modified":"2026-01-17T19:28:06","modified_gmt":"2026-01-17T17:28:06","slug":"how-to-connect-your-erp-to-an-electronic-invoicing-provider-via-api","status":"publish","type":"post","link":"https:\/\/etimologiera.gr\/en\/2026\/01\/17\/how-to-connect-your-erp-to-an-electronic-invoicing-provider-via-api\/","title":{"rendered":"How to Connect Your ERP to an Electronic Invoicing Provider via API"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1015\" class=\"elementor elementor-1015\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eef22e e-flex e-con-boxed e-con e-parent\" data-id=\"9eef22e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3ecef00 elementor-widget elementor-widget-heading\" data-id=\"3ecef00\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">\ud83e\uddfeHow to Connect Your ERP to an Electronic Invoicing Provider via API<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5e2ffe5 e-flex e-con-boxed e-con e-parent\" data-id=\"5e2ffe5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-82029cd e-con-full e-flex e-con e-child\" data-id=\"82029cd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee1fb01 elementor-widget elementor-widget-text-editor\" data-id=\"ee1fb01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"109\" data-end=\"398\">Mandatory electronic invoicing and integration with myDATA have made it<strong> necessary for ERP systems to connect to a certified Electronic Invoicing Provider via a modern API.<\/strong> In this guide, you will see how to implement the integration correctly and what key aspects you need to consider.<\/p><p data-start=\"404\" data-end=\"525\">The mandatory adoption of electronic invoicing is analyzed in detail in the complete <a href=\"https:\/\/etimologiera.gr\/en\/electronic-invoicing-2026-guide-for-businesses-accountants\/\">Electronic Invoicing 2026 Guide.<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f8b8af9 e-con-full e-flex e-con e-child\" data-id=\"f8b8af9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b085f2 elementor-widget elementor-widget-image\" data-id=\"5b085f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"217\" height=\"300\" src=\"https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/Erp-etimologiera-api-217x300.png\" class=\"attachment-medium size-medium wp-image-492\" alt=\"\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03a3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf ERP \u03c3\u03b1\u03c2 \u03bc\u03b5 \u03a0\u03ac\u03c1\u03bf\u03c7\u03bf \u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03a4\u03b9\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03bc\u03ad\u03c3\u03c9 API\" srcset=\"https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/Erp-etimologiera-api-217x300.png 217w, https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/Erp-etimologiera-api.png 740w\" sizes=\"(max-width: 217px) 100vw, 217px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0df901f e-flex e-con-boxed e-con e-parent\" data-id=\"0df901f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-025817f elementor-widget elementor-widget-heading\" data-id=\"025817f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why API-Based Integration Is Required<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e99b86a elementor-widget elementor-widget-text-editor\" data-id=\"e99b86a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"117\" data-end=\"137\"><strong data-start=\"117\" data-end=\"137\">API integration:<\/strong><\/p><p data-start=\"143\" data-end=\"293\">\u2022 Eliminates manual processes<\/p><p data-start=\"143\" data-end=\"293\">\u2022 Ensures tax compliance<\/p><p data-start=\"143\" data-end=\"293\">\u2022 Enables real-time transmission to myDATA<\/p><p data-start=\"143\" data-end=\"293\">\u2022 Reduces errors and operational costs<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8aec2e6 e-flex e-con-boxed e-con e-parent\" data-id=\"8aec2e6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-253a2ae elementor-widget elementor-widget-heading\" data-id=\"253a2ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What a Modern Electronic Invoicing API Offers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a7678d elementor-widget elementor-widget-text-editor\" data-id=\"1a7678d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"118\" data-end=\"182\"><strong data-start=\"118\" data-end=\"182\">A reliable electronic invoicing provider API should support:<\/strong><\/p><p data-start=\"188\" data-end=\"351\">\u2022 Secure authentication<\/p><p data-start=\"188\" data-end=\"351\">\u2022 Sending and receiving documents<br data-start=\"249\" data-end=\"252\" data-is-only-node=\"\" \/>\u2022 Validation checks<\/p><p data-start=\"188\" data-end=\"351\">\u2022 Retrieval of M.A.R.K. and QR Code<\/p><p data-start=\"188\" data-end=\"351\">\u2022 Error handling and management<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9f3d7c2 e-flex e-con-boxed e-con e-parent\" data-id=\"9f3d7c2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-220d8fc elementor-widget elementor-widget-heading\" data-id=\"220d8fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How e-timologiera Simplifies Electronic Invoicing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6b5d34 elementor-widget elementor-widget-text-editor\" data-id=\"a6b5d34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"97\" data-end=\"232\"><strong>e-timologiera<\/strong> provides a complete REST API for direct integration with ERP and commercial systems, supporting all myDATA workflows.<\/p><p data-start=\"238\" data-end=\"306\" data-is-last-node=\"\">\ud83d\udc49 Learn more on the page:<br data-start=\"268\" data-end=\"271\" data-is-only-node=\"\" \/><a href=\"https:\/\/etimologiera.gr\/en\/electronic-invoicing-provider-in-greece\/\"><strong data-start=\"273\" data-end=\"306\" data-is-last-node=\"\">Electronic Invoicing Provider<\/strong><\/a><\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-859a4b5 e-flex e-con-boxed e-con e-parent\" data-id=\"859a4b5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dff767a elementor-widget elementor-widget-heading\" data-id=\"dff767a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Common Mistakes to Avoid<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c7a556 elementor-widget elementor-widget-text-editor\" data-id=\"9c7a556\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Lack of validation checks<\/li><li>Failure to handle failed transmissions<\/li><li>Delayed transmission to myDATA<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1bc4538 e-flex e-con-boxed e-con e-parent\" data-id=\"1bc4538\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3a8f01e elementor-widget elementor-widget-text-editor\" data-id=\"3a8f01e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/etimologiera.gr\/en\/electronic-invoicing-2026-guide-for-businesses-accountants\/\">Mandatory implementation begins gradually in 2026 \u2014 see the detailed guide.<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6c75985 e-flex e-con-boxed e-con e-parent\" data-id=\"6c75985\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7186ca8 elementor-widget elementor-widget-heading\" data-id=\"7186ca8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">For IT Companies &amp; Software Houses<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b58dcbe elementor-widget elementor-widget-text-editor\" data-id=\"b58dcbe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"125\" data-end=\"310\">IT companies developing ERP, commercial applications, and business systems are now required to integrate mandatory electronic invoicing and myDATA transmission into their solutions.<\/p><p data-start=\"316\" data-end=\"545\">e-timologiera provides a fully documented API, technical support, and a sandbox testing environment, enabling software companies to offer certified electronic invoicing to their customers quickly and without added complexity.<\/p><p data-start=\"551\" data-end=\"636\"><strong data-start=\"551\" data-end=\"636\">Partnering with a certified electronic invoicing provider allows IT companies to:<\/strong><\/p><p data-start=\"642\" data-end=\"801\">\u2022 Reduce development time<\/p><p data-start=\"642\" data-end=\"801\">\u2022 Accelerate the go-to-market of their applications<\/p><p data-start=\"642\" data-end=\"801\">\u2022 Ensure full compliance with the Greek Tax Authority (AADE) and myDATA<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a039b8a e-flex e-con-boxed e-con e-parent\" data-id=\"a039b8a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8c27f4 elementor-widget elementor-widget-text-editor\" data-id=\"d8c27f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/etimologiera.gr\/en\/developers-api-electronic-invoicing-provider-in-greece\/\">Request API Access &amp; Technical Presentation<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-765724b e-flex e-con-boxed e-con e-parent\" data-id=\"765724b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3dfa982 elementor-widget elementor-widget-text-editor\" data-id=\"3dfa982\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\ud83d\udc49 For developers &amp; ERP Software :<\/strong><\/p><p><a href=\"https:\/\/etimologiera.gr\/en\/developers-api-electronic-invoicing-provider-in-greece\/\"> Developers &amp; API<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\ud83e\uddfeHow to Connect Your ERP to an Electronic Invoicing Provider via API Mandatory electronic invoicing and integration with myDATA have made it necessary for ERP systems to connect to a certified Electronic Invoicing Provider via a modern API. In this guide, you will see how to implement the integration correctly and what key aspects you [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":492,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/posts\/1015","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/comments?post=1015"}],"version-history":[{"count":7,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/posts\/1015\/revisions"}],"predecessor-version":[{"id":1024,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/posts\/1015\/revisions\/1024"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/media\/492"}],"wp:attachment":[{"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/media?parent=1015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/categories?post=1015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/tags?post=1015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}