See Bitsika Console (API docs) and the Bitsika App.

Bitsika Console is our merchant play; where merchants can generate invoices that can instantly be paid by any Bitsika user without fees (demo video). Visit the merchant dashboard here. API documentation is below.

Here’s the link to the API docs https://documenter.getpostman.com/view/12690520/UUy39RrV

This is the link to the PHP SDK, and its docs https://github.com/bitsika/merchant-sdk