--- title: Auth0 Authentication in .NET: From Setup to JWT Validation description: A walkthrough of integrating Auth0 as an identity provider into a .NET application. Covers creating an Auth0 tenant and application, configuring OAuth settings... canonical: https://daily.dev/posts/auth0-authentication-in-net-from-setup-to-jwt-validation-zyrooqjop twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Auth0 Authentication in .NET: From Setup to JWT Validation | daily.dev og:description: A walkthrough of integrating Auth0 as an identity provider into a .NET application. Covers creating an Auth0 tenant and application, configuring OAuth settings... og:url: https://daily.dev/posts/auth0-authentication-in-net-from-setup-to-jwt-validation-zyrooqjop og:image: https://api.daily.dev/og/posts/ZyROOQjop.png og:image:alt: Auth0 Authentication in .NET: From Setup to JWT Validation 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. # Auth0 Authentication in .NET: From Setup to JWT Validation **[We Are .NET](https://daily.dev/sources/wearedotnet)** · 11 min read · 0 upvotes · 0 comments ## Summary A walkthrough of integrating Auth0 as an identity provider into a .NET application. Covers creating an Auth0 tenant and application, configuring OAuth settings (callback URLs, grant types, PKCE), setting up a custom API audience, and wiring up JWT Bearer authentication in ASP.NET Core using Microsoft.AspNetCore.Authentication.JwtBearer. Demonstrates the full authorization code flow via Swagger UI, including token validation using OpenID Connect metadata and JWT inspection at jwt.io. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [A New Auth0 ASP.NET SDK to Secure Your API](https://daily.dev/posts/a-new-auth0-asp-net-sdk-to-secure-your-api-orjhdas0x) · Auth0 · 23 upvotes · 0 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 - [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: [#authentication](https://daily.dev/tags/authentication), [#.net](https://daily.dev/tags/.net), [#oauth](https://daily.dev/tags/oauth), [#jwt](https://daily.dev/tags/jwt), [#auth0](https://daily.dev/tags/auth0) [View this post on daily.dev](https://daily.dev/posts/auth0-authentication-in-net-from-setup-to-jwt-validation-zyrooqjop) ```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":"Auth0 Authentication in .NET: From Setup to JWT Validation","url":"https://daily.dev/posts/auth0-authentication-in-net-from-setup-to-jwt-validation-zyrooqjop","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/auth0-authentication-in-net-from-setup-to-jwt-validation-zyrooqjop"},"datePublished":"2026-06-05T12:03:51.278Z","dateModified":"2026-06-05T12:04:11.226Z","description":"A walkthrough of integrating Auth0 as an identity provider into a .NET application. Covers creating an Auth0 tenant and application, configuring OAuth settings...","image":"https://i.ytimg.com/vi/jB-9dF1TXyI/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/jB-9dF1TXyI/sddefault.jpg","isAccessibleForFree":true,"articleSection":"We Are .NET","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":"We Are .NET","logo":"https://media.daily.dev/image/upload/s--BsnVOa3i--/f_auto/v1718347410/logos/wearedotnet","url":"https://daily.dev/sources/wearedotnet"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/auth0-authentication-in-net-from-setup-to-jwt-validation-zyrooqjop","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"authentication,.net,oauth,jwt,auth0","timeRequired":"PT11M","video":{"@type":"VideoObject","name":"Auth0 Authentication in .NET: From Setup to JWT Validation","description":"A walkthrough of integrating Auth0 as an identity provider into a .NET application. Covers creating an Auth0 tenant and application, configuring OAuth settings...","thumbnailUrl":"https://i.ytimg.com/vi/jB-9dF1TXyI/sddefault.jpg","uploadDate":"2026-06-05T12:03:51.278Z","duration":"PT11M","url":"https://api.daily.dev/r/ZyROOQjop","embedUrl":"https://www.youtube.com/embed/jB-9dF1TXyI"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"We Are .NET","item":"https://daily.dev/sources/wearedotnet"},{"@type":"ListItem","position":3,"name":"Auth0 Authentication in .NET: From Setup to JWT Validation"}]} ```