This plugin collect and allow to view historical currency rates from Bank of Poland by using custom Gutenberg Blocks, shortcodes and REST API.
The plugin use Narodowy Bank Polski public API for collecting the rates.
Endpoint: https://api.nbp.pl/api/exchangerates/tables/a
Bank of Poland API description and terms of use: https://api.nbp.pl/en.html
After plugin installation your site will provide Bank of Poland historical data using your local database and directly from your domain as REST API service (see FAQ about endpoints).

Archive NBP