Oauth2 audience parameter. When an API receives a token, it should ch...

Oauth2 audience parameter. When an API receives a token, it should check the aud field to ensure the token was issued for that specific API. The app should use the ID token to get information about the user, like name, email, roles and so on. This attribute value, presented as the aud claim in the access token, defines the token's intended consumer. In the Microsoft identity platform, a permission is represented as a string value. 0 parameters—labeled Resource and Audience—to generate the access token by using the advanced options in OAuth 2. It also describes the security and privacy considerations for using OpenID Connect. 0 authorization server to address a security vulnerability identified in the previous requirements for those audience values in multiple OAuth 2. Many recent authorization server implementations seem to produce JWT access tokens, and JWT specifies the audience (aud) claim. Jun 2, 2025 · One of these claims is the “aud” claim, or the audience claim. This article describes how to use HTTP messages to implement service to service authentication using the OAuth2. 0 access token, the OAuth 2. Nov 20, 2019 · Access token, with maybe permissions, scopes, where the audience is the backend API (“resource server”). OAuth Toolkit enables clients to specify the intended audiences while requesting access tokens from the Authorization Server. This type is commonly used for server-to Jul 24, 2025 · In OAuth 2. Jul 22, 2025 · This specification updates the requirements for audience values for tokens whose audience is an OAuth 2. Mar 1, 2026 · OAuth 2. 0 Token Exchange is a mechanism that allows a client to exchange one valid access token for Tagged with keycloak, oauth2, tokenexchange, identitymanagement. This is done by adding the “audience=xxxx” parameter in the authorize request. 0 client credentials grant flow permits a web service (confidential client) to use its own credentials, instead of impersonating a user, to authenticate when calling another web service. Aug 25, 2017 · OAuth2 specifies access tokens as opaque strings; there is only one mention of 'audience' in the spec, to say that access tokens could be 'audience-restricted'. You can configure the OTK Resource Server to enforce restrictions on what tokens can be used to access APIs based on the audience. May 7, 2018 · Why is it necessary to pass an ‘audience’ parameter in the implicit flow authorisation request to receive an access token in JWT format? I’m attempting to get my existing SPA (Angular) and API (NET core) application working against Auth0 using implicit flow. Jun 17, 2024 · To specify the intended audiences for an OAuth 2. 0 On-Behalf-Of flow. May 24, 2022 · Seems that with Auth0, when in a M2M flow, we need to pass the audience parameter in the authorization request, and the the token will be issued for such audience curl --request POST \\ --url http Feb 8, 2024 · Is it possible to add the audience attribute with a URL value to the token request using FeignClient and OAuth2 in Spring Boot (Kotlin) via configuration properties or do I need to create a custom bean? Apr 26, 2021 · Add new OAuth 2. The grant specified in RFC 6749, sometimes called two-legged OAuth, can be used to access web-hosted resources by using the identity of an application. The “aud” (audience) claim identifies the recipients that the JWT is intended for and principal that intends to process the JWT must identify itself with a value in the audience claim; otherwise, the JWT must be rejected. Sep 10, 2025 · The audience attribute in the request payload of the /oauth/token call is the unique identifier for the target API. This limits the potential for unintended token reuse and the attack surface area if a token is compromised. 0, these types of permission sets are called scopes. 0 and the use of Claims to communicate information about the End-User. 0 APIs that require an audience parameter in the Client Credentials flow, you've likely hit a frustrating wall. This specification defines the core OpenID Connect functionality: authentication built on top of OAuth 2. Aug 23, 2021 · 0 I'm trying to set up an Oauth2 authentication service in Azure API Management in order to authenticate users in our Auth0 identity provider in the Developer Portal. However I'm not able to configure the Oauth2 service to pass the audience parameter in order to get a JWT-token (now only an Opaque token is returned). 0 client needs to proactively define the audiences it needs access to when creating or updating the client. I thought that configuring a SPA application in Auth0 would be the minimum required. An app requests the permissions it needs by specifying the permission in the scope query parameter. The OAuth 2. 0 Authorization We hope this update helps you with your OAuth flows in Postman. That is, the SPA uses the Auth0 app Id in the . 0 specifications. Nov 24, 2025 · If you’ve ever tried to integrate Salesforce with modern OAuth 2. What is the "audience" Claim? The audience (aud) claim in an OAuth2 token defines who the token is intended for. In this document, resource and Apr 23, 2025 · This specification updates the requirements for audience values for tokens whose audience is an OAuth 2. They're also often referred to as permissions.