IT Glossary
What is an API?
Application Programming Interface: the contract that lets two programs exchange data automatically, with no manual copy-paste.
Picture an API as the standardized power socket on a piece of software: the place where other programs plug in to read or send data, with no human copying anything by hand. When your online store books a courier pickup on its own, when invoices flow straight into your e-invoicing platform, or when your field team's app shows live warehouse stock — that is APIs at work. For a buying company, the concept matters at two decisive moments: software procurement (a system without an API is a dead end where your data sits captive) and automation (almost every manual copy-paste between two programs is an API integration waiting to be built). “Does it have a documented API?” deserves a place in every purchasing conversation, right next to the question about price.
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Why it matters for your business
Automation between systems
Orders, invoices and stock levels move between programs on their own — manual re-typing disappears, along with its errors and lost hours.
Your data stays yours
A system with a documented API keeps your information reachable: you can connect new tools or migrate to another vendor without abandoning your history.
Access to outside services
Online payments, couriers, tax filings, maps, SMS — they all connect to your applications through their public APIs.
Frequently asked questions
How is an API different from a file export?
An export is a snapshot taken by hand — the file you download today is stale tomorrow. An API is a live connection through which data is requested and delivered automatically, in real time, as often as needed.
Our older software has no API — are we stuck?
Not necessarily: bridges can be built, from reading the database directly to automations that operate the interface the way a person would. They are more fragile than a real API, but they unblock the situation until the system is replaced.
What does a “documented” API mean, and why does it matter?
The documentation is the socket's manual: what data exists, how to request it, what limits apply. Without it, every integration starts with weeks of guesswork — ask for the API documentation before you sign the purchase contract.
Let’s talk about your project
Message us on WhatsApp or send an email — you talk directly to a developer.
office@northdan.com · +40 752 070 247