--- title: 5 ways to implement REST API authentication | daily.dev description: Learn about different authentication methods for implementing REST API authentication in Apigee. Understand the fundamentals of identity, authentication, and... canonical: https://daily.dev/posts/5-ways-to-implement-rest-api-authentication-ynyqudr4k twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: 5 ways to implement REST API authentication | daily.dev og:description: Learn about different authentication methods for implementing REST API authentication in Apigee. Understand the fundamentals of identity, authentication, and... og:url: https://daily.dev/posts/5-ways-to-implement-rest-api-authentication-ynyqudr4k og:image: https://api.daily.dev/og/posts/ynYQudR4k.png og:image:alt: 5 ways to implement REST API authentication og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # 5 ways to implement REST API authentication **[Google Cloud](https://daily.dev/sources/gcp)** · 3 min read · 20 upvotes · 2 comments ## Summary Learn about different authentication methods for implementing REST API authentication in Apigee. Understand the fundamentals of identity, authentication, and authorization. Explore authentication policies such as API Key, OAuth2 token, External token or assertion, Token Exchange, and Identity facade for 3 legged OAuth. Consider design considerations for choosing the right authentication method for your API use case. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@djison\_** · 0 upvotes > good article **@emmanuelgautier** · 0 upvotes > Anyone has already experienced making scope validations with Apigee? ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#architecture](https://daily.dev/tags/architecture), [#authentication](https://daily.dev/tags/authentication) [View this post on daily.dev](https://daily.dev/posts/5-ways-to-implement-rest-api-authentication-ynyqudr4k) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"5 ways to implement REST API authentication","url":"https://daily.dev/posts/5-ways-to-implement-rest-api-authentication-ynyqudr4k","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/5-ways-to-implement-rest-api-authentication-ynyqudr4k"},"datePublished":"2023-02-08T17:06:47.573Z","dateModified":"2024-04-04T12:37:00.018Z","description":"Learn about different authentication methods for implementing REST API authentication in Apigee. 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