Assembly is a powerful payments engine custom-built for marketplaces. Removing compliance, fraud, risk, staffing, and operational headaches, Assembly helps online platforms focus on what matters most to their business.

Assembly supports international payments and multiple transaction types in a wide range of currencies.

Marketplaces can offer their buyers/payers the ability to pay via

  • Real time payments (Australian NPP / OSKO)
  • Credit & Debit Cards
  • ACH Direct Debit
  • BPAY
  • Wire Transfer

Sellers/payees can receive their funds either via

  • Real time payments (Australian NPP / OSKO)
  • ACH Direct Credit
  • BPAY

Assembly provides you with an API to easily and quickly start taking payments on your marketplace.

Assembly's API environments are as follows:


Description: Sandbox (AKA Pre-live) environment endpoints.
URL: https://test.api.promisepay.com/


Description: Production environment hosting asynchronous endpoints.
URL: https://secure.api.promisepay.com/