Glossary AI technique

API

What is an API?

An API is a fixed entry point that software opens up to other software, so systems can request and send data without a person in between.

Also known as application programming interfaceAPI integrationinterface

Almost every modern system has one: your CRM, your accounting, your web shop. Through the API you can, for example, request all open invoices or put a new customer straight into the CRM.

APIs are the building blocks of system integration. AI works with them too: an AI agent uses APIs to fetch data and take actions in your systems.

If a system has no API, there are other routes, such as exports or RPA. How we build integrations is covered under connecting your systems.

Last updated: 4 October 2026

Relatedterms

Read on in the glossary

All terms

AI techniqueSystem integrationSystem integration is connecting software so that systems such as your CRM, accounting and ERP exchange data automatically instead of someone retyping it.AI techniqueMiddlewareMiddleware is software that sits between your systems and translates, checks and passes on data, so applications can work together.AI techniqueMCP (Model Context Protocol)MCP is an open standard that lets AI models connect to external tools, data and systems in a uniform way, like a USB port for AI.AI techniqueAI agentAn AI agent is software that pursues a goal on its own: it plans the steps, uses tools or systems, checks the result and adjusts course, without a human directing every step.

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