{"id":831,"date":"2026-01-11T18:52:13","date_gmt":"2026-01-11T16:52:13","guid":{"rendered":"https:\/\/etimologiera.gr\/?page_id=831"},"modified":"2026-01-19T19:56:43","modified_gmt":"2026-01-19T17:56:43","slug":"developers-api-electronic-invoicing-provider-in-greece","status":"publish","type":"page","link":"https:\/\/etimologiera.gr\/en\/developers-api-electronic-invoicing-provider-in-greece\/","title":{"rendered":"Developers &amp; API | Electronic Invoicing Provider in Greece"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"831\" class=\"elementor elementor-831\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4809e9d e-flex e-con-boxed e-con e-parent\" data-id=\"4809e9d\" 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-bc055ba elementor-widget elementor-widget-heading\" data-id=\"bc055ba\" 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\">Electronic Invoicing API Greece for ERP &amp; Software Companies\n<\/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-5a61fc6 e-flex e-con-boxed e-con e-parent\" data-id=\"5a61fc6\" 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-03f5ff2 e-con-full e-flex e-con e-child\" data-id=\"03f5ff2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dc65861 elementor-widget elementor-widget-text-editor\" data-id=\"dc65861\" 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>e-timologiera provides a fully documented <strong>REST API<\/strong> for direct integration of ERP systems, commercial applications, and business software with an AADE-certified Electronic Invoicing Provider in <strong>Greece<\/strong>.<br data-start=\"374\" data-end=\"377\" \/>Our goal is to <strong>enable software companies<\/strong> to integrate electronic invoicing functionality into their applications quickly, securely, and without risk.<\/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-5ccc4ca e-con-full e-flex e-con e-child\" data-id=\"5ccc4ca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b10fc70 elementor-widget elementor-widget-image\" data-id=\"b10fc70\" 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=\"768\" height=\"399\" src=\"https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/api-documentation-paroxos-ilektronikis-timologisis-1-768x399.png\" class=\"attachment-medium_large size-medium_large wp-image-689\" alt=\"API \u03c0\u03b1\u03c1\u03cc\u03c7\u03bf\u03c5 \u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03a4\u03b9\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2\" srcset=\"https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/api-documentation-paroxos-ilektronikis-timologisis-1-768x399.png 768w, https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/api-documentation-paroxos-ilektronikis-timologisis-1-300x156.png 300w, https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/api-documentation-paroxos-ilektronikis-timologisis-1-1024x532.png 1024w, https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/api-documentation-paroxos-ilektronikis-timologisis-1-1536x798.png 1536w, https:\/\/etimologiera.gr\/wp-content\/uploads\/2026\/01\/api-documentation-paroxos-ilektronikis-timologisis-1.png 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-db72660 e-flex e-con-boxed e-con e-parent\" data-id=\"db72660\" 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-602c9e0 elementor-widget elementor-widget-heading\" data-id=\"602c9e0\" 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 the e-timologiera API Offers\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9afddc elementor-widget elementor-widget-text-editor\" data-id=\"a9afddc\" 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 data-start=\"780\" data-end=\"843\"><p data-start=\"782\" data-end=\"843\">Document transmission via an AADE-certified provider<\/p><\/li><li data-start=\"780\" data-end=\"843\"><p data-start=\"782\" data-end=\"843\">Automated handling of myDATA, M.A.R.K. &amp; QR Code<\/p><\/li><li data-start=\"780\" data-end=\"843\"><p data-start=\"782\" data-end=\"843\">Document authentication<\/p><\/li><li data-start=\"780\" data-end=\"843\"><p data-start=\"782\" data-end=\"843\">Error handling &amp; automatic retries<\/p><\/li><li data-start=\"780\" data-end=\"843\"><p data-start=\"782\" data-end=\"843\">Sandbox &amp; testing environment<\/p><\/li><li data-start=\"780\" data-end=\"843\"><p data-start=\"782\" data-end=\"843\">Dedicated technical support for developers<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5a21dc elementor-widget elementor-widget-text-editor\" data-id=\"a5a21dc\" 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>The e-timologiera API is designed according to modern <strong>REST<\/strong> architecture principles and supports secure authentication, comprehensive event <strong>logging<\/strong>, and advanced<strong> retry mechanisms<\/strong>, ensuring <strong>high availability and stability<\/strong> in production environments.<\/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-a0b5e89 e-flex e-con-boxed e-con e-parent\" data-id=\"a0b5e89\" 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-4ce6ea2 elementor-widget elementor-widget-heading\" data-id=\"4ce6ea2\" 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\">Typical ERP\u2013Provider Integration Flow\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d284f0 elementor-widget elementor-widget-text-editor\" data-id=\"1d284f0\" 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<ol><li data-start=\"1086\" data-end=\"1123\">The ERP invoicing system generates the document<\/li><li>The e-timologiera API performs validation &amp; transmission<\/li><li>The Greek Tax Authority (AADE) returns the M.A.R.K. &amp; QR Code<\/li><li>The ERP system receives the final confirmation<\/li><\/ol>\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-027b7ec e-flex e-con-boxed e-con e-parent\" data-id=\"027b7ec\" 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-33ff141 elementor-widget elementor-widget-heading\" data-id=\"33ff141\" 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\">Swagger &amp; Technical Documentation\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-570bfd7 elementor-widget elementor-widget-text-editor\" data-id=\"570bfd7\" 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=\"1315\" data-end=\"1443\">The complete technical documentation and Swagger UI provide all available endpoints, request\/response examples, and implementation guidelines.<\/p><p data-start=\"1445\" data-end=\"1526\">\ud83d\udc49 <a href=\"\/en\/api-erp-integration-electronic-invoicing-provider-greece\/\"><strong data-start=\"1448\" data-end=\"1486\">\u0394\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf Swagger API Documentation<\/strong><\/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-8b3375b e-flex e-con-boxed e-con e-parent\" data-id=\"8b3375b\" 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-0e69783 elementor-widget elementor-widget-heading\" data-id=\"0e69783\" 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 Software Companies Choose e-timologiera\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0af974 elementor-widget elementor-widget-text-editor\" data-id=\"f0af974\" 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>AADE-certified provider<\/li><li data-start=\"1643\" data-end=\"1684\"><p data-start=\"1645\" data-end=\"1684\">Standardized electronic invoice format<\/p><\/li><li data-start=\"1685\" data-end=\"1711\"><p data-start=\"1687\" data-end=\"1711\">Full compliance with 2026 regulations<\/p><\/li><li data-start=\"1712\" data-end=\"1741\"><p data-start=\"1714\" data-end=\"1741\">Fast ERP integration<\/p><\/li><li data-start=\"1742\" data-end=\"1775\"><p data-start=\"1744\" data-end=\"1775\">Dedicated developer support<\/p><\/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-42e15dd e-flex e-con-boxed e-con e-parent\" data-id=\"42e15dd\" 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-defd25b elementor-widget elementor-widget-text-editor\" data-id=\"defd25b\" 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>Our team supports software companies throughout every stage of the implementation process \u2014 from initial analysis and proof of concept to production deployment and post\u2013go-live support.<\/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-ef08aee e-flex e-con-boxed e-con e-parent\" data-id=\"ef08aee\" 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-bc4054d elementor-widget elementor-widget-text-editor\" data-id=\"bc4054d\" 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>For details regarding data security, infrastructure, and business continuity of the platform, please visit the Security &amp;<a href=\"\/en\/security-infrastructure\/\"><strong> Infrastructure page.<\/strong><\/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-25b9825 e-flex e-con-boxed e-con e-parent\" data-id=\"25b9825\" 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-82aa038 elementor-widget elementor-widget-text-editor\" data-id=\"82aa038\" 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>Technical support and SLAs are described in detail on the <a href=\"\/en\/support-service-level-agreements-sla\/\"><strong data-start=\"833\" data-end=\"853\">Support &amp; SLA page<\/strong><\/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-1d98c15 e-flex e-con-boxed e-con e-parent\" data-id=\"1d98c15\" 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-b73c09f elementor-widget elementor-widget-text-editor\" data-id=\"b73c09f\" 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>For an overall view of the service infrastructure and philosophy, please visit the<a href=\"\/en\/why-businesses-choose-e-timologiera\/\"><strong data-start=\"753\" data-end=\"776\">\u201cWhy e-timologiera\u201d page.<\/strong><\/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-681616f e-flex e-con-boxed e-con e-parent\" data-id=\"681616f\" 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-89a897d elementor-widget elementor-widget-text-editor\" data-id=\"89a897d\" 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=\"\/en\/electronic-invoicing-provider-in-greece\/\">Request API Access &amp; Technical Demo<\/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-ff87f1a e-flex e-con-boxed e-con e-parent\" data-id=\"ff87f1a\" 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-bfc272e elementor-widget elementor-widget-text-editor\" data-id=\"bfc272e\" 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=\"\/en\/contact-us\/\">Request Access to the API Sandbox<\/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-9f08482 e-flex e-con-boxed e-con e-parent\" data-id=\"9f08482\" 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-73d4288 elementor-widget elementor-widget-text-editor\" data-id=\"73d4288\" 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:\/\/status.etimologiera.gr\/status\/all\">Status &amp; uptime<\/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>Electronic Invoicing API Greece for ERP &amp; Software Companies e-timologiera provides a fully documented REST API for direct integration of ERP systems, commercial applications, and business software with an AADE-certified Electronic Invoicing Provider in Greece.Our goal is to enable software companies to integrate electronic invoicing functionality into their applications quickly, securely, and without risk. What [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":417,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-831","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/pages\/831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/types\/page"}],"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=831"}],"version-history":[{"count":18,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/pages\/831\/revisions"}],"predecessor-version":[{"id":1084,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/pages\/831\/revisions\/1084"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/media\/417"}],"wp:attachment":[{"href":"https:\/\/etimologiera.gr\/en\/wp-json\/wp\/v2\/media?parent=831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}