Official module ProntoPaga for Adobe Commerce and Magento Open Source.
$ composer require improntus/module-prontopaga
$ php bin/magento module:enable Improntus_ProntoPaga --clear-static-content
$ php bin/magento setup:upgrade
$ php bin/magento setup:static-content:deploy
You can configure the integration at:
Stores > Configuration > Payment methods > ProntoPaga