Glossary

API

Interface that lets two systems talk to each other without human intervention, used to create charges, look up sales, and grant access automatically.

An API is the set of addresses and rules a system publishes so that another system can talk to it. In the context of payments, it is what lets your membership area ask the platform whether a given sale was approved, or lets your CRM create a charge without anyone opening the dashboard.

Communication is usually over HTTP with data in JSON, authenticated by a key that identifies the account. Unlike a webhook, where the platform notifies you when something happens, with an API you are the one asking.

A good integration is noticeable precisely because it never shows up: the sale lands, access opens and nobody files a ticket. Follow the steps to the end, including the part that looks obvious.
Wellington CostaGlobal Payments Specialist

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Written by Wellington Costa Global Payments Specialist

Writes about payment infrastructure, checkout conversion and chargeback reduction. Works directly with digital product sellers, affiliates and creators selling to more than 40 countries through Mundpay.