Title: FlexExt Darowizny dla Przelewy24 Lite Author: flexext Published: October 27, 2026 Last modified: October 27, 2026 --- Search plugins ![](https://ps.w.org/flexext-darowizny-dla-przelewy24-lite/assets/banner-772x250. png?rev=3769189) ![](https://ps.w.org/flexext-darowizny-dla-przelewy24-lite/assets/icon.svg?rev=3769189) # FlexExt Darowizny dla Przelewy24 Lite By [flexext](https://profiles.wordpress.org/flexext/) [Download](https://downloads.wordpress.org/plugin/flexext-darowizny-dla-przelewy24-lite.1.2.1.zip) * [Details](https://wordpress.org/plugins/flexext-darowizny-dla-przelewy24-lite/#description) * [Reviews](https://wordpress.org/plugins/flexext-darowizny-dla-przelewy24-lite/#reviews) * [Installation](https://wordpress.org/plugins/flexext-darowizny-dla-przelewy24-lite/#installation) * [Development](https://wordpress.org/plugins/flexext-darowizny-dla-przelewy24-lite/#developers) [Support](https://wordpress.org/support/plugin/flexext-darowizny-dla-przelewy24-lite/) ## Description **FlexExt Darowizny dla Przelewy24 Lite** is a lightweight, secure, and accessible WordPress donation plugin built for collecting online donations (**darowizna / darowizny**) in Poland through the **Przelewy24 (PayPro SA)** payment gateway. Designed specifically for Polish non-profit organizations, foundations (**fundacje**), associations (**stowarzyszenia**), charities, parishes, content creators, and open- source projects. Visitors can donate instantly using Poland’s most popular payment methods: **BLIK**, fast online bank transfers (pay-by-link), and credit/debit cards( Visa, Mastercard). Donors select one of three pre-configured donation tiers in Polish Zloty (PLN) and proceed directly to payment. The checkout flow is streamlined for maximum completion rates. ### Key Features * **0% Platform Fees:** The plugin charges zero transaction fees. 100% of all donation funds go directly into your Przelewy24 merchant account. * **BLIK & All Major Polish Banks:** Seamless integration with BLIK, mBank, PKO BP, Santander, ING, Pekao, and all Polish financial institutions supported by Przelewy24. * **3 Configurable Fixed Amounts:** Set three preset donation tiers (e.g. 10 PLN, 20 PLN, 50 PLN) to optimize donor conversion. * **Ultra-Lightweight & Fast:** 100% local rendering with no remote script dependencies, trackers, or presentation streaming. * **Accessible (WCAG 2.1 AA):** High contrast color ratios, keyboard focus indicators, and semantic ARIA landmarks. * **Testing Sandbox:** Built-in Przelewy24 Sandbox test mode to verify donation flow before launching your fundraising campaign. * **Simple Shortcode:** Embed the donation widget anywhere using `[flexext_lite]`. ### Informacje po polsku / Polish Summary Wtyczka **FlexExt Darowizny dla Przelewy24 Lite** umożliwia zbieranie wpłat i darowizn online dla fundacji, stowarzyszeń, twórców i zbiórek charytatywnych w Polsce. Obsługuje szybkie płatności BLIK, przelewy ze wszystkich polskich banków oraz karty płatnicze bezpośrednio przez bramkę Przelewy24 (PayPro SA) bez żadnych dodatkowych prowizji pośredników. ### Looking for More Features? Check FlexExt PRO For advanced fundraising campaigns, visit [flexext.dev](https://flexext.dev) to explore **FlexExt PRO**: * Custom donation amounts (donor enters any amount) * Multi-currency support (PLN, EUR, USD, GBP) * Fundraising goal progress bar with real-time counter * Sticky floating donation widget for mobile & desktop * Public donor recognition wall with anonymous donation options * Custom branding, colors, and thank-you redirects ### External Services This plugin communicates directly with the **Przelewy24 Payment Gateway** (operated by PayPro SA, ul. Pastelowa 8, 60-198 Poznań, Poland) to register and process payment transactions when a donor submits a donation: * **Service Provider:** PayPro SA( Przelewy24) * **Endpoints Used:** * Production: `https://secure.przelewy24.pl/api/ v1/transaction/register` * Sandbox Testing: `https://sandbox.przelewy24.pl/api/v1/ transaction/register` * **Data Transmitted:** Merchant ID, POS ID, transaction session ID, donation amount, currency (PLN), donation description, language code, and merchant payment email. * **Przelewy24 Terms of Service:** [Przelewy24 Terms of Service](https://www.przelewy24.pl/regulamin)*** Przelewy24 Privacy Policy:** [Przelewy24 GDPR Privacy Policy](https://www.przelewy24.pl/obowiazek-informacyjny-rodo-platnicy) No personal visitor data or payment credentials are sent to flexext.dev or any other third-party servers. All API requests are transmitted securely server-to-server directly to PayPro SA. ## Installation 1. Upload the plugin folder to your `/wp-content/plugins/` directory, or install the`. zip` archive via **Plugins > Add New > Upload Plugin**. 2. Activate the plugin through the **Plugins** menu in WordPress. 3. Navigate to **P24 Darowizny** in your WordPress admin menu. 4. Enter your Przelewy24 Merchant ID, CRC key, Report key, and payment email. 5. Check the “Enable” option and save settings. 6. Insert the `[flexext_lite]` shortcode into any post, page, or widget area. ## FAQ ### Do I need a Przelewy24 merchant account? Yes. To receive donations, you need an active merchant account at Przelewy24 (PayPro SA), or a free Przelewy24 Sandbox test account for testing. ### Does the plugin charge any transaction fees? No. FlexExt charges 0% fees. You only pay standard transaction processing fees directly to Przelewy24 according to your merchant agreement. ### Can donors pay using BLIK? Yes! The Przelewy24 gateway natively supports BLIK payments, Polish online bank transfers, and credit/debit cards. ### Where do I find my Merchant ID, CRC key, and Report key? Log in to your Przelewy24 Merchant Panel, go to **Moje konto > Dane konta** (Account details) to copy your Merchant ID, CRC key, and API/Report key. ### How do I test donations before going live? Enable **Sandbox mode** in the plugin settings and use test credentials from your Przelewy24 Sandbox account. ### Can I customize the 3 donation amounts? Yes, in the plugin settings you can configure any 3 amounts in Polish Zloty (PLN), for example 10, 25, 50. ## Reviews There are no reviews for this plugin. ## Contributors & Developers “FlexExt Darowizny dla Przelewy24 Lite” is open source software. The following people have contributed to this plugin. Contributors * [ flexext ](https://profiles.wordpress.org/flexext/) [Translate “FlexExt Darowizny dla Przelewy24 Lite” into your language.](https://translate.wordpress.org/projects/wp-plugins/flexext-darowizny-dla-przelewy24-lite) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/flexext-darowizny-dla-przelewy24-lite/), check out the [SVN repository](https://plugins.svn.wordpress.org/flexext-darowizny-dla-przelewy24-lite/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/flexext-darowizny-dla-przelewy24-lite/) by [RSS](https://plugins.trac.wordpress.org/log/flexext-darowizny-dla-przelewy24-lite/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### 1.2.1 * Changed plugin display name and slug to “FlexExt Darowizny dla Przelewy24 Lite”( flexext-darowizny-dla-przelewy24-lite) for full trademark compliance. * Removed frontend attribution credit link per WordPress.org Plugin Directory Guideline 10. * Removed redundant load_plugin_textdomain() call and bundled translation binaries in favor of translate.wordpress.org. * Updated text domain across all templates and functions. #### 1.2.0 * 100% WordPress.org Plugin Check (PCP) audit compliance. * Removed remote presentation endpoint; widget now renders 100% locally. * Separated assets into modular widget.css and widget.js files. * Enhanced accessibility with WCAG 2.1 AA compliant contrast and focus indicators. * Updated readme and text domain to match plugin slug. * Declared Przelewy24 PayPro SA external service integration. #### 1.1.1 * Updated Polish translation strings. #### 1.0.0 * Initial release. ## Meta * Version **1.2.1** * Last updated **3 days ago** * Active installations **Fewer than 10** * WordPress version ** 6.0 or higher ** * Tested up to **7.1.4** * PHP version ** 7.4 or higher ** * Tag * [blik](https://wordpress.org/plugins/tags/blik/) * [Advanced View](https://wordpress.org/plugins/flexext-darowizny-dla-przelewy24-lite/advanced/) ## Ratings No reviews have been submitted yet. [Your review](https://wordpress.org/support/plugin/flexext-darowizny-dla-przelewy24-lite/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/flexext-darowizny-dla-przelewy24-lite/reviews/) ## Contributors * [ flexext ](https://profiles.wordpress.org/flexext/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/flexext-darowizny-dla-przelewy24-lite/) ## Donate Would you like to support the advancement of this plugin? [ Donate to this plugin ](https://flexext.dev)