OAuth
Software Engineering · Last updated: July 30, 2026 · How this entry was written
Definition: OAuth is an open standard protocol that allows secure delegated access to resources without sharing user credentials. It is widely used for token-based authentication and authorization in web and mobile applications.
Example in context
“The new API gateway enforces OAuth 2.0 for all third-party integrations to ensure secure token exchange.”
“Yeni API ağ geçidi, güvenli token değişimini sağlamak için tüm üçüncü taraf entegrasyonlarında OAuth 2.0'ı zorunlu kılar.”
Where engineers use it
Engineers configure OAuth flows (authorization code, implicit, client credentials) in API security implementations. It appears in identity providers, token validation middleware, and scope-based access control policies.
Synonyms: OAuth 2.0
Antonyms: basic authentication
Practice: can you use “OAuth” at work?
Your team is building a microservices system and requires delegated access. A developer asks how to securely authenticate third-party apps without exposing passwords. Explain the appropriate protocol.
Show a model answer
“We need to implement OAuth for secure API access delegation.”
“OAuth” in 21 languages
| English | OAuth |
|---|---|
| Turkish | OAuth |
| French | OAuth |
| German | OAuth |
| Spanish | OAuth |
| Chinese | OAuth授权协议 |
| Arabic | أوث |
| Portuguese | OAuth |
| Russian | OAuth |
| Japanese | OAuth |
| Italian | OAuth |
| Vietnamese | OAuth |
| Hindi | OAuth |
| Thai | โอ้ออธ |
| Indonesian | OAuth |
| Korean | OAuth |
| Bengali | ওঅথ |
| Dutch | OAuth |
| Swedish | OAuth |
| Finnish | OAuth |
| Ukrainian | OAuth |
Frequently asked questions
What does OAuth mean in engineering?
OAuth is an open standard protocol that allows secure delegated access to resources without sharing user credentials. It is widely used for token-based authentication and authorization in web and mobile applications. In Software Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce OAuth?
OAuth is pronounced /ˈoʊˌɔːθ/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is OAuth used in a sentence?
Example from an engineering context: “The new API gateway enforces OAuth 2.0 for all third-party integrations to ensure secure token exchange.”
This entry is one of 7,806 terms in the Engineering English iOS app — with quizzes, spaced repetition and pronunciation checking.
Get the app on the App Store