# \#oauth **URL:** https://community.auth0.com/tag/oauth/144.md [Latest](https://community.auth0.com/latest.md) · [Categories](https://community.auth0.com/categories.md) · [Tags](https://community.auth0.com/tags.md) --- ## [The Art of Consent Management in the OAuth World](https://community.auth0.com/t/the-art-of-consent-management-in-the-oauth-world/201732)
**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\ **Replies:** 3\ **Last updated:** [July 23, 2026, 7:57am UTC](https://community.auth0.com/t/the-art-of-consent-management-in-the-oauth-world/201732 "2026-07-23T07:57:15Z")
Learn how OAuth 2.0 has evolved in handling user consent and how Auth0 helps you implement it based on your application’s needs. Read on: The Art of Consent Management in the OAuth World --- ## [The Many Faces of OAuth 2.0 Token Exchange](https://community.auth0.com/t/the-many-faces-of-oauth-2-0-token-exchange/200512)
**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\ **Replies:** 1\ **Last updated:** [June 3, 2026, 4:22pm UTC](https://community.auth0.com/t/the-many-faces-of-oauth-2-0-token-exchange/200512 "2026-06-03T16:22:48Z")
Token exchange is a pattern that has multiple use cases. Learn what they are and what is the best approach in your own scenario by reading The Many Faces of OAuth 2.0 Token Exchange --- ## [Things Developers Get Wrong About the Backend for Frontend Pattern](https://community.auth0.com/t/things-developers-get-wrong-about-the-backend-for-frontend-pattern/199296)
**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\ **Replies:** 1\ **Last updated:** [April 24, 2026, 3:00pm UTC](https://community.auth0.com/t/things-developers-get-wrong-about-the-backend-for-frontend-pattern/199296 "2026-04-24T15:00:48Z")
Is everything clear on the Backend For Frontend pattern? If you’re still unsure, this article can help: Things Developers Get Wrong About the Backend for Frontend Pattern --- ## [Common FAPI Misconceptions](https://community.auth0.com/t/common-fapi-misconceptions/198198)
**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 2:39pm UTC](https://community.auth0.com/t/common-fapi-misconceptions/198198 "2026-03-19T14:39:37Z")
Confused about FAPI and its relationship with OAuth and OpenID Connect? Looking for clarifications about some of the FAPI features and use cases? Here is a blog post for you: Common FAPI Misconceptions --- ## [Demystifying OAuth Security: State vs. Nonce vs. PKCE](https://community.auth0.com/t/demystifying-oauth-security-state-vs-nonce-vs-pkce/195011)
**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\ **Replies:** 1\ **Last updated:** [November 28, 2025, 9:26am UTC](https://community.auth0.com/t/demystifying-oauth-security-state-vs-nonce-vs-pkce/195011 "2025-11-28T09:26:58Z")
Have you ever wondered what the state, nonce, code\_challenge, and code\_verifier parameters are for in OAuth requests? This blog post will provide the answers you are looking for. --- ## [Protect Your Access Tokens with DPoP (Demonstrating Proof of Possession)](https://community.auth0.com/t/protect-your-access-tokens-with-dpop-demonstrating-proof-of-possession/191057)
**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\ **Replies:** 1\ **Last updated:** [August 25, 2025, 7:35am UTC](https://community.auth0.com/t/protect-your-access-tokens-with-dpop-demonstrating-proof-of-possession/191057 "2025-08-25T07:35:55Z")
Did you know you can bind an access token to the client application, improving its security? DPoP allows you to do this. Read more here. --- ## [Anatomy of an OAuth 2.0 Authorization Request](https://community.auth0.com/t/anatomy-of-an-oauth-2-0-authorization-request/189540)
**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\ **Replies:** 3\ **Last updated:** [August 18, 2025, 2:11pm UTC](https://community.auth0.com/t/anatomy-of-an-oauth-2-0-authorization-request/189540 "2025-08-18T14:11:13Z")
Have you ever wondered what all those parameters that make up an OAuth 2.0 or OpenID Connect authorization request mean? This article explains all the details of the core parameters and some of the most common ones you … --- ## [OAuth 2.0 Access Tokens and the Principle of Least Privilege](https://community.auth0.com/t/oauth-2-0-access-tokens-and-the-principle-of-least-privilege/189310)
**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\ **Replies:** 1\ **Last updated:** [July 17, 2025, 10:43am UTC](https://community.auth0.com/t/oauth-2-0-access-tokens-and-the-principle-of-least-privilege/189310 "2025-07-17T10:43:23Z")
How can you apply the Principle of Least Privilege when using OAuth 2.0 access tokens to protect your applications? Learn more through this blog post. --- ## [Model Context Protocol (MCP) Spec Updates from June 2025: One Small Step for a Spec, One Giant Leap for Security](https://community.auth0.com/t/model-context-protocol-mcp-spec-updates-from-june-2025-one-small-step-for-a-spec-one-giant-leap-for-security/188468)
**Author:** [@jesstemporal](https://community.auth0.com/u/jesstemporal)\ **Replies:** 0\ **Last updated:** [June 26, 2025, 1:54pm UTC](https://community.auth0.com/t/model-context-protocol-mcp-spec-updates-from-june-2025-one-small-step-for-a-spec-one-giant-leap-for-security/188468 "2025-06-26T13:54:32Z")
Learn about the new classification of MCP servers as OAuth Resource Servers, implementing Resource Indicators to prevent token misuse, and the clearer security best practices designed to help you build more robust and se… --- ## [Zapier Integration](https://community.auth0.com/t/zapier-integration/70878)
**Author:** [@simon13](https://community.auth0.com/u/simon13)\ **Replies:** 5\ **Last updated:** [November 1, 2021, 9:12pm UTC](https://community.auth0.com/t/zapier-integration/70878 "2021-11-01T21:12:11Z")
I am in the process of creating some triggers for Zapier based off our existing API which is secured using JWT tokens and Auth0 authentication. I have created my authentication and set it to OAuth2 flow, and entered my … --- ## [How to create a custom social login, linked with Auth0?](https://community.auth0.com/t/how-to-create-a-custom-social-login-linked-with-auth0/61728)
**Author:** [@Aarbel](https://community.auth0.com/u/Aarbel)\ **Replies:** 7\ **Last updated:** [May 13, 2021, 8:56am UTC](https://community.auth0.com/t/how-to-create-a-custom-social-login-linked-with-auth0/61728 "2021-05-13T08:56:23Z")
Today Auth0 provides well know external social identity providers. We use Auth0 to authenticate our users, and we want to build our own custom Login Button too for our ecosystem of partners apps. Do you know good … --- ## [Append query param to an existing /authorize transaction](https://community.auth0.com/t/append-query-param-to-an-existing-authorize-transaction/58515)
**Author:** [@mamacdon](https://community.auth0.com/u/mamacdon)\ **Replies:** 2\ **Last updated:** [March 1, 2021, 7:49am UTC](https://community.auth0.com/t/append-query-param-to-an-existing-authorize-transaction/58515 "2021-03-01T07:49:14Z")
I have a hosted login page that offers the user a choice between signup and login experiences. I want the user’s choice (signup or login) to end up in the context.request.query object of my Auth0 Rule, so I can use it to… --- ## [Skip login if user already signed into google account on browser](https://community.auth0.com/t/skip-login-if-user-already-signed-into-google-account-on-browser/50286)
**Author:** [@lucas3](https://community.auth0.com/u/lucas3)\ **Replies:** 4\ **Last updated:** [September 23, 2020, 7:06pm UTC](https://community.auth0.com/t/skip-login-if-user-already-signed-into-google-account-on-browser/50286 "2020-09-23T19:06:06Z")
Webapp using auth0, in the classic universal login in screen, i want to skip the sign in with google if the user is already logged in with google in the browser. --- ## [Oauth Secret - Retrieve user info](https://community.auth0.com/t/oauth-secret-retrieve-user-info/23632)
**Author:** [@ourbit666](https://community.auth0.com/u/ourbit666)\ **Replies:** 1\ **Last updated:** [April 16, 2019, 7:53pm UTC](https://community.auth0.com/t/oauth-secret-retrieve-user-info/23632 "2019-04-16T19:53:13Z")
Hi, i just want to know how to retrieve user info by email using Oauth Secret and Oauth ID, without Authorization Bearer --- ## [Create User then Login returns 401](https://community.auth0.com/t/create-user-then-login-returns-401/12862)
**Author:** [@jt.turner](https://community.auth0.com/u/jt.turner)\ **Replies:** 2\ **Last updated:** [July 6, 2018, 4:26pm UTC](https://community.auth0.com/t/create-user-then-login-returns-401/12862 "2018-07-06T16:26:11Z")
I am just playing around with adding Auth0 into an existing app. Since we are going through our own backend I was using the management API to create a user. Then I turn around and log them in using the authentication API… --- ## [Auth0 & Symfony4](https://community.auth0.com/t/auth0-symfony4/8945)
**Author:** [@media.figaro](https://community.auth0.com/u/media.figaro)\ **Replies:** 1\ **Last updated:** [December 12, 2017, 1:04am UTC](https://community.auth0.com/t/auth0-symfony4/8945 "2017-12-12T01:04:51Z")
Hello, https://github.com/auth0-community/auth0-symfony-php-web-app/tree/master/00-Starter-Seed works well for Symfony \<4 but not on SF4 apparently, do you have a working example , I have troubles with HWI Class “AppBu… --- ## [Intermittent 401 on /oauth/ro "Authorization Extension: ETIMEDOUT"](https://community.auth0.com/t/intermittent-401-on-oauth-ro-authorization-extension-etimedout/8754)
**Author:** [@remco1](https://community.auth0.com/u/remco1)\ **Replies:** 2\ **Last updated:** [November 15, 2017, 7:31pm UTC](https://community.auth0.com/t/intermittent-401-on-oauth-ro-authorization-extension-etimedout/8754 "2017-11-15T19:31:50Z")
Users are experiencing login failures (401 unauthorized) regularly. The response body from the /oauth/ro POST request contains: {“error”:“unauthorized”,“error\_description”:“Authorization Extension: ETIMEDOUT”} The das… --- ## [Native Client OAuth settings are not working](https://community.auth0.com/t/native-client-oauth-settings-are-not-working/8222)
**Author:** [@developer1](https://community.auth0.com/u/developer1)\ **Replies:** 0\ **Last updated:** [September 17, 2017, 10:34pm UTC](https://community.auth0.com/t/native-client-oauth-settings-are-not-working/8222 "2017-09-17T22:34:32Z")
I am already using a client for SPA with a JWT Token which contains the custom claim app\_metadata. Therefore the client must be set to OIDC Conformant: false. Now I tried to get a native client on iOS working but withou… --- ## [Anyone successfully using ionic2 in desktop/hybrid-webapp mode with google oauth?](https://community.auth0.com/t/anyone-successfully-using-ionic2-in-desktop-hybrid-webapp-mode-with-google-oauth/7687)
**Author:** [@Brad\_Rust](https://community.auth0.com/u/Brad_Rust)\ **Replies:** 1\ **Last updated:** [August 22, 2017, 9:34pm UTC](https://community.auth0.com/t/anyone-successfully-using-ionic2-in-desktop-hybrid-webapp-mode-with-google-oauth/7687 "2017-08-22T21:34:25Z")
We have an ionic2 (3.6.0) application and a couple social logins enabled. using npm isntall “auth0-js”: “^8.6.1”, “auth0-lock”: “^10.16.0” and tried CDN as well (verses npm packages) We compile/deploy to platforms i… --- ## [Use existing PaaS users for Alexa Skill using Auth0 oauth2](https://community.auth0.com/t/use-existing-paas-users-for-alexa-skill-using-auth0-oauth2/7776)
**Author:** [@paul.caponetti](https://community.auth0.com/u/paul.caponetti)\ **Replies:** 3\ **Last updated:** [August 9, 2017, 9:44pm UTC](https://community.auth0.com/t/use-existing-paas-users-for-alexa-skill-using-auth0-oauth2/7776 "2017-08-09T21:44:31Z")
I have a solution based on an IoT PaaS that provides oauth2 and openIDC client functionality, but not provider functionality. I want to make an Alexa Skill and that requires oauth provider-side funtionality. Can I use … --- ## [Automate Management API Tokens: POST Objective-C not receiving token in response](https://community.auth0.com/t/automate-management-api-tokens-post-objective-c-not-receiving-token-in-response/7367)
**Author:** [@sandy](https://community.auth0.com/u/sandy)\ **Replies:** 3\ **Last updated:** [July 4, 2017, 12:20am UTC](https://community.auth0.com/t/automate-management-api-tokens-post-objective-c-not-receiving-token-in-response/7367 "2017-07-04T00:20:57Z")
In Advanced Rest Client, I can get a response that contains the management authorization token. But, when I do this in Objective-C code following this documentation: Management API Access Tokens - Auth0 Docs It doesn’t … --- ## [Authorization Extension: Persistence Missing After OAuth Token](https://community.auth0.com/t/authorization-extension-persistence-missing-after-oauth-token/7329)
**Author:** [@rmm5t](https://community.auth0.com/u/rmm5t)\ **Replies:** 0\ **Last updated:** [June 29, 2017, 9:46pm UTC](https://community.auth0.com/t/authorization-extension-persistence-missing-after-oauth-token/7329 "2017-06-29T21:46:56Z")
I’m seeing strange behavior with the Authorization Extension’s Persistence feature between logins that happen via the Lock widget and logins that happen via a “Resource Owner Password” access\_token request. When a user … --- ## [Is it possible to integrate with Etsy OAuth?](https://community.auth0.com/t/is-it-possible-to-integrate-with-etsy-oauth/6977)
**Author:** [@alex11](https://community.auth0.com/u/alex11)\ **Replies:** 1\ **Last updated:** [June 9, 2017, 7:29pm UTC](https://community.auth0.com/t/is-it-possible-to-integrate-with-etsy-oauth/6977 "2017-06-09T19:29:40Z")
Since I don’t have the preconfigured option for Etsy connections in the social tab, I was thinking if there is an easy way to implement with Auth0 this connection to Etsy OAuth through a serverless Angular 4 web app? --- ## [Require username for oauth users](https://community.auth0.com/t/require-username-for-oauth-users/6777)
**Author:** [@bopmobdev](https://community.auth0.com/u/bopmobdev)\ **Replies:** 1\ **Last updated:** [May 29, 2017, 9:35am UTC](https://community.auth0.com/t/require-username-for-oauth-users/6777 "2017-05-29T09:35:29Z")
Is there a way of entering in a username for users who’ve authenticated through an oauth connection? My use case is that I’d like to have a username I can use across my app. I’ve setup my database to require usernames. I… --- ## [IdP initiated SSO](https://community.auth0.com/t/idp-initiated-sso/6646)
**Author:** [@Irfan\_Wadia](https://community.auth0.com/u/Irfan_Wadia)\ **Replies:** 1\ **Last updated:** [May 23, 2017, 7:14pm UTC](https://community.auth0.com/t/idp-initiated-sso/6646 "2017-05-23T19:14:32Z")
Trying to setup Auth0 to implement IdP initiated SSO with Rails. I have created two different accounts. One created as IdP and another as SP. I have created a SAML connection on SP with IdP SSO settings: Response prot… --- ## [OAuth for generating Management API tokens](https://community.auth0.com/t/oauth-for-generating-management-api-tokens/6617)
**Author:** [@claudio.petrini](https://community.auth0.com/u/claudio.petrini)\ **Replies:** 2\ **Last updated:** [May 16, 2017, 1:18pm UTC](https://community.auth0.com/t/oauth-for-generating-management-api-tokens/6617 "2017-05-16T13:18:05Z")
From the Management API documentation it seems that user would need to share the manually generated token or their client\_id and client\_secret in order to generate a token. Is there a way to interact with the Management… --- ## [Getting server error while following Azure AD multi-tenant application tutorial](https://community.auth0.com/t/getting-server-error-while-following-azure-ad-multi-tenant-application-tutorial/6206)
**Author:** [@pathakj](https://community.auth0.com/u/pathakj)\ **Replies:** 1\ **Last updated:** [April 13, 2017, 11:32pm UTC](https://community.auth0.com/t/getting-server-error-while-following-azure-ad-multi-tenant-application-tutorial/6206 "2017-04-13T23:32:01Z")
Has any body tried the tutorial available at: https://auth0.com/docs/tutorials/building-multi-tenant-saas-applications-with-azure-active-directory In particular, using an Angular 2 project? I followed exactly as per th…