--- title: Protecting your ASP.NET Web API using OAuth2 and the... description: A pointer post linking to an older article published on DeveloperFusion about securing ASP.NET Web API endpoints using OAuth2 delegation and the Windows Azure... canonical: https://daily.dev/posts/protecting-your-asp-net-web-api-using-oauth2-and-the-windows-azure-access-control-service-zaoteycm7 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Protecting your ASP.NET Web API using OAuth2 and the Windows Azure Access Control Service | daily.dev og:description: A pointer post linking to an older article published on DeveloperFusion about securing ASP.NET Web API endpoints using OAuth2 delegation and the Windows Azure... og:url: https://daily.dev/posts/protecting-your-asp-net-web-api-using-oauth2-and-the-windows-azure-access-control-service-zaoteycm7 og:image: https://api.daily.dev/og/posts/zAoTEYcm7.png og:image:alt: Protecting your ASP.NET Web API using OAuth2 and the Windows Azure Access Control Service 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. # Protecting your ASP.NET Web API using OAuth2 and the Windows Azure Access Control Service **[Maarten Balliauw](https://daily.dev/sources/maartenballiauw)** · 4 min read · 0 upvotes · 0 comments ## Summary A pointer post linking to an older article published on DeveloperFusion about securing ASP.NET Web API endpoints using OAuth2 delegation and the Windows Azure Access Control Service. It explains why APIs matter for mobile and third-party app ecosystems (using Twitter as an example) and contrasts basic/Windows authentication with OAuth2-style delegated access similar to Facebook login flows. Readers are directed to the original article for the full technical walkthrough. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [How to Secure APIs with OAuth 2.1 and OpenID Connect](https://daily.dev/posts/how-to-secure-apis-with-oauth-2-1-and-openid-connect-rf7g6orkv) · C\# Corner · 0 upvotes · 1 comments - [ASP.NET Core Security Explained: Modern Authentication, Authorization, and JWT](https://daily.dev/posts/asp-net-core-security-explained-modern-authentication-authorization-and-jwt-bgq4u3gn4) · Syncfusion · 4 upvotes · 0 comments - [An Introduction to OAuth 2](https://daily.dev/posts/an-introduction-to-oauth-2-4iox2hqnk) · DigitalOcean Community · 0 upvotes · 0 comments - [Integrate Keycloak with ASP.NET Core Using OAuth 2.0](https://daily.dev/posts/integrate-keycloak-with-asp-net-core-using-oauth-2-0-w348tdawg) · Milan Jovanović · 11 upvotes · 1 comments --- Tags: [#security](https://daily.dev/tags/security), [#authentication](https://daily.dev/tags/authentication) [View this post on daily.dev](https://daily.dev/posts/protecting-your-asp-net-web-api-using-oauth2-and-the-windows-azure-access-control-service-zaoteycm7) ```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":"Protecting your ASP.NET Web API using OAuth2 and the Windows Azure Access Control Service","url":"https://daily.dev/posts/protecting-your-asp-net-web-api-using-oauth2-and-the-windows-azure-access-control-service-zaoteycm7","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/protecting-your-asp-net-web-api-using-oauth2-and-the-windows-azure-access-control-service-zaoteycm7"},"datePublished":"2026-10-04T13:06:02.691Z","dateModified":"2026-10-04T13:14:04.875Z","description":"A pointer post linking to an older article published on DeveloperFusion about securing ASP.NET Web API endpoints using OAuth2 delegation and the Windows Azure...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/282d40ac68f713ec62d768fbc5a94aa2?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/282d40ac68f713ec62d768fbc5a94aa2?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Maarten Balliauw","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Maarten Balliauw","logo":"https://media.daily.dev/image/upload/s--rOTg3VYO--/f_auto,q_auto/v1791119043/logos/maartenballiauw?_a=BAMAMicg0","url":"https://daily.dev/sources/maartenballiauw"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/protecting-your-asp-net-web-api-using-oauth2-and-the-windows-azure-access-control-service-zaoteycm7","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,authentication","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Maarten Balliauw","item":"https://daily.dev/sources/maartenballiauw"},{"@type":"ListItem","position":3,"name":"Protecting your ASP.NET Web API using OAuth2 and the Windows Azure Access Control Service"}]} ```