GlossariesA Level GlossariesA Level Computer Science GlossaryApplication Programming Interface (API)

Application Programming Interface (API) - A Level Computer Science Definition

Reviewed by: James Woodhouse

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What is an API?

In A Level Computer Science, an application programming interface (API) is a set of rules and protocols that allow software applications to communicate with each other. APIs define how requests and responses should be structured.

Why are APIs important?

APIs enable interoperability between systems, allowing developers to integrate external services, such as payment gateways, mapping services, and social media logins.

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James Woodhouse

Reviewer: James Woodhouse

Expertise: Computer Science & English Subject Lead

James graduated from the University of Sunderland with a degree in ICT and Computing education. He has over 14 years of experience both teaching and leading in Computer Science, specialising in teaching GCSE and A-level. James has held various leadership roles, including Head of Computer Science and coordinator positions for Key Stage 3 and Key Stage 4. James has a keen interest in networking security and technologies aimed at preventing security breaches.

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