A simple Nodejs example on how to integrate Zapper payments to your system or website.
Zapper Doc: https://zapper.gitbook.io/integrations/
MERCHANT_ID=xxx
SITE_ID=xxx
USERNAME=xxx
PASSWORD=xxx
POS_KEY=xxxxx-xxxx-xxxx-xxxx-xxxxxxx
POS_SECRET=xxxxxx-xxxx-xxxx-xxxx-xxxxxxx
POS_SIGNATURE=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
MERCHANT_API_KEY=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
MERCHANT_SITE_API_KEY=xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
ZAPPER_API_URL=https://api.zapper.com/business