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API

TL;DR

An interface that lets two pieces of software communicate and exchange data.

An API (Application Programming Interface) is an interface that allows two software systems to communicate and exchange data with each other, following defined rules. It makes possible, for example, connecting a Webflow site to a CRM, or an AI like Claude to a tool like Notion. APIs are the technical backbone of most integrations and automations used today.

Published on

7/27/2026

Updated on

7/26/2026

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Our other definitions

API

An interface that lets two pieces of software communicate and exchange data.

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API