The ChargeOver Python SDK by ChargeOver allows to access data from the API to integrate automated billing and payment services into applications. Documentation includes REST API, webhooks, and example code.
Handshake, sales order processing platform, offers the Handshake API that allows developers to integrate Handshake with third party applications and services. Handshake allows users to write, accept, and sync orders across any device or server running the Handshake platform. Additionally, Handshake supports barcode scanning for more streamlined order processing.