This plugin allows you to integrate and use Sisow payments for your Gravity Forms. No subscription is required.
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Testmode
To enable testmode you should allow test transaction for your profile. To do so, login to Sisow and find the setting under ‘profile’. Furthermore, you need to enable testmode for the plugin. Go to Forms -> Settings and find the checkbox. – Please note that once enabled, the testmode applies to ALL FEEDS.
このプラグインをダウンロードして、インストール型 WordPress のインストールに使用できます。