Application Programming Interface
A set of rules that allows different software systems to communicate with each other. Think of it as a menu in a restaurant — it tells you what you can order, how to order it, and what you will get back.
"The payment service exposes a REST API that the frontend calls to process transactions."
A set of rules that allows different software systems to communicate with each other. Think of it as a menu in a restaurant — it tells you what you can order, how to order it, and what you will get back.
API stands for "Application Programming Interface".
"API" is pronounced /ˌeɪ.piːˈaɪ/. Use the "Listen" button above to hear it spoken aloud.
Yes: "The payment service exposes a REST API that the frontend calls to process transactions."
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"API" is used as a noun (acronym).
Yes — related terms include REST, Endpoint, JSON, Payload. See "Related Terms" above to explore them.
Yes — the Vocabulary exercises hub has interactive drills covering common IT terms like "API" in realistic sentences, with instant feedback on each answer.
Yes — glossary entries are reviewed and updated as terminology in the industry evolves, so definitions stay accurate for current IT usage.
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