Title: Billit Invoicing for myDATA Author: billitinv Published: November 5, 2026 Last modified: November 5, 2026 --- Search plugins ![](https://ps.w.org/billit-invoicing-for-mydata/assets/banner-772x250.png?rev=3785375) ![](https://ps.w.org/billit-invoicing-for-mydata/assets/icon-256x256.png?rev=3785375) # Billit Invoicing for myDATA By [billitinv](https://profiles.wordpress.org/billitinv/) [Download](https://downloads.wordpress.org/plugin/billit-invoicing-for-mydata.1.0.0.zip) * [Details](https://wordpress.org/plugins/billit-invoicing-for-mydata/#description) * [Reviews](https://wordpress.org/plugins/billit-invoicing-for-mydata/#reviews) * [Installation](https://wordpress.org/plugins/billit-invoicing-for-mydata/#installation) * [Development](https://wordpress.org/plugins/billit-invoicing-for-mydata/#developers) [Support](https://wordpress.org/support/plugin/billit-invoicing-for-mydata/) ## Description **Billit Invoicing for myDATA** automatically sends every order to Billit, which issues the correct myDATA document — receipt or invoice — and transmits it to the Greek tax authority (AADE). No manual data entry, no second system to maintain. **What is myDATA?** myDATA (“my Digital Accounting and Tax Application”) is the official electronic bookkeeping platform of the Greek Independent Authority for Public Revenue (AADE) — a public government service, not a brand. Every business in Greece is legally required to transmit its sales documents (receipts and invoices) to myDATA. This plugin is developed by Billit and is not affiliated with or endorsed by AADE. **Who is this for?** This plugin is useful only to businesses in Greece that must report to myDATA. Because its audience is Greek, the merchant-facing text in the plugin — and Billit’s terms and privacy policy — are written in Greek. #### Connect in a few clicks Billit Invoicing for myDATA connects itself: click “Σύνδεση με Billit” (“Connect with Billit”) in the plugin settings, approve the connection from your Billit account, and you land back already connected. No API keys to copy, no code. #### Setup status at a glance After you connect, the settings screen shows a status card: whether a myDATA channel is active, whether both document types (receipt and invoice) exist, GSIS credentials for VAT-number autofill, and the default myDATA classification mapping. Each unmet item links straight to the Billit page that fixes it. While you set up, you can keep the store in test mode — documents are created, nothing is transmitted. #### Orders are never silently lost If something can’t be verified (e.g. a VAT number, a product, an amount), the order isn’t lost or silently failed: a draft document is created in Billit, you get a notification email, and the order shows “Πρόχειρο — χρειάζεται έλεγχο” (“Draft — needs review”) with a direct link to finish it. #### What it automates * Receipt or invoice depending on the customer’s choice at checkout, with the ΑΦΜ (VAT number) / ΔΟΥ (tax office) / company name / activity fields. * Autofill of company details from the VAT number at checkout (never blocks checkout completion if the lookup is slow or fails). * MARK and a document link on the order screen, with a “check status” button. * Product sync to Billit whenever you save a product. #### What you need A Billit account (free to create during setup) and an active WooCommerce 8.9+ install. Nothing else. ### External services This plugin connects your store to **Billit** (https://billit.io), a third-party invoicing service, to issue myDATA documents for your WooCommerce orders and transmit them to the Greek tax authority (AADE). The plugin is free; issuing documents requires a Billit account (a paid service). Nothing is sent anywhere until you connect your store to Billit. #### What is sent, and when When an order reaches the status you configure (e.g. “Completed”), the plugin sends that order to Billit so Billit can issue the document. The data sent includes: the order number, totals and line items, and the customer’s name, billing/shipping address, email and phone. For a business invoice it also sends the VAT number (ΑΦΜ), tax office (ΔΟΥ), company name and activity. If you enable the optional checkout VAT-number autofill, the ΑΦΜ typed at checkout is sent to Billit to look up the public Greek business registry (via GSIS/AADE) and fill in the company details. The plugin also periodically fetches, from Billit, the status of your account setup and of documents already issued. No data is sent to any service other than Billit. #### Terms and privacy By connecting your store you agree to Billit’s terms, and your and your customers’ data is processed by Billit as described in its privacy policy. Please review both before connecting: * Billit Terms of Use (in Greek): https://billit.io/terms * Billit Privacy Policy (in Greek): https://billit.io/privacy ## Screenshots [⌊The "Billit" settings tab under WooCommerce › Settings.⌉⌊The "Billit" settings tab under WooCommerce › Settings.⌉[ The “Billit” settings tab under WooCommerce › Settings. [⌊The connection (approve) screen in Billit.⌉⌊The connection (approve) screen in Billit.⌉[ The connection (approve) screen in Billit. [⌊The VAT number / tax office / company name / activity fields at checkout, autofilled from the VAT number.⌉⌊The VAT number / tax office / company name / activity fields at checkout, autofilled from the VAT number.⌉[ The VAT number / tax office / company name / activity fields at checkout, autofilled from the VAT number. [⌊The Billit status box on an order (MARK, document link, Retry / check status).⌉⌊ The Billit status box on an order (MARK, document link, Retry / check status).⌉[ The Billit status box on an order (MARK, document link, Retry / check status). [⌊The Billit status column in the orders list.⌉⌊The Billit status column in the orders list.⌉[ The Billit status column in the orders list. ## Installation 1. Upload and activate the plugin like any other WordPress plugin. 2. Go to **WooCommerce › Ρυθμίσεις › Billit** (WooCommerce › Settings › Billit). 3. Click **“Σύνδεση με Billit”** (“Connect with Billit”) and approve the connection in Billit. 4. Check the “Κατάσταση εγκατάστασης Billit” (Billit setup status) card and fix anything that isn’t green (myDATA channel, document types, GSIS, classification mapping). 5. Done — the next order that reaches the status you chose (e.g. “Ολοκληρωμένη”, Completed) is sent automatically. ## FAQ ### Do I need a Billit account? Yes, but you can create one for free while connecting if you don’t already have one. Documents are issued through your Billit account. ### How do I connect my store? In the plugin settings, click “Σύνδεση με Billit” (“Connect with Billit”) and approve from your Billit account — no values are copied by hand. If your site isn’t reachable from Billit (e.g. local development, basic auth), there is a manual token/secret connection on the same page. ### What happens if a document fails? There are two different cases. If the order never reaches Billit (a network problem), the plugin retries automatically (after 1 min, 5 min, 30 min, 2 h and 12 h) and shows a “Retry” button if needed. If the order reaches Billit but something can’t be verified (e.g. the VAT number), it isn’t lost: a draft document is created, you get an email, and the order shows “Πρόχειρο — χρειάζεται έλεγχο” (“Draft — needs review”) with a link to finish it in Billit. ### Does it support cash on delivery (COD)? Yes, the COD fee is added as a separate line on the document. For a cancellation or refund, the credit note is issued manually from your Billit account. ### Does it work with the new block-based checkout? Yes, the VAT number / tax office / company name / activity fields work in both the block-based and the classic checkout. In v1 the fields are always shown in the block checkout (they are not shown or hidden depending on the document type). ### What about my existing documents? v1 does not import past orders — it covers orders from the moment you connect onwards. ## Reviews There are no reviews for this plugin. ## Contributors & Developers “Billit Invoicing for myDATA” is open source software. The following people have contributed to this plugin. Contributors * [ billitinv ](https://profiles.wordpress.org/billitinv/) [Translate “Billit Invoicing for myDATA” into your language.](https://translate.wordpress.org/projects/wp-plugins/billit-invoicing-for-mydata) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/billit-invoicing-for-mydata/), check out the [SVN repository](https://plugins.svn.wordpress.org/billit-invoicing-for-mydata/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/billit-invoicing-for-mydata/) by [RSS](https://plugins.trac.wordpress.org/log/billit-invoicing-for-mydata/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### 1.0.0 * First release: one-click connection, automatic receipts and invoices, VAT number autofill at checkout, product sync, setup status card, drafts instead of lost orders. ## Meta * Version **1.0.0** * Last updated **19 hours ago** * Active installations **Fewer than 10** * WordPress version ** 6.4 or higher ** * Tested up to **7.1.4** * PHP version ** 8.1 or higher ** * Tags * [e-invoice](https://wordpress.org/plugins/tags/e-invoice/)[Greece](https://wordpress.org/plugins/tags/greece/) [invoicing](https://wordpress.org/plugins/tags/invoicing/)[MyData](https://wordpress.org/plugins/tags/mydata/) [woocommerce](https://wordpress.org/plugins/tags/woocommerce/) * [Advanced View](https://wordpress.org/plugins/billit-invoicing-for-mydata/advanced/) ## Ratings No reviews have been submitted yet. [Your review](https://wordpress.org/support/plugin/billit-invoicing-for-mydata/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/billit-invoicing-for-mydata/reviews/) ## Contributors * [ billitinv ](https://profiles.wordpress.org/billitinv/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/billit-invoicing-for-mydata/)