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application programming interface

📖 ISTQB Glossary

Official ISTQB Definition

A type of interface in which the components or systems involved exchange information in a defined formal structure.

3 Ways to Think About It

💡
The Quick Take

The defined way for software components to communicate with each other.

🔍
Look Closer

A contract specifying how to request services from another system.

🎯
The Bottom Line

The doors and windows through which programs talk to each other.

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