⌨️ap computer science principles review

Application Program Interface (API)

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

An Application Program Interface (API) is a set of rules and protocols that allow different software applications to communicate with each other. It specifies how certain tasks can be performed, what data formats are accepted, and what responses are expected.

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