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Can I only use oAuth2 without openIDconnect to authenticate a multi-tenant application or a single signin ?

Asmaa Essa 20 Reputation points
2023-10-29T13:07:01.97+00:00

I'm about to allow Azure Active Directory

federated single sign-on on my web Api and I'm using OAuth without OpenID connect and all the examples I in the document it has both so should I use both or I can continue without changing my authentication code?

https://learn.microsoft.com/en-us/azure/active-directory-b2c/integrate-with-app-code-samples

https://github.com/Azure-Samples/active-directory-b2c-dotnet-webapp-and-webapi

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Accepted answer
  1. Alfredo Revilla - Upwork Top Talent | IAM SWE SWA 27,471 Reputation points
    2023-10-30T01:48:34.18+00:00

    Hello @Asmaa Essa , both Microsoft Entra ID (formerly Azure AD) and Azure AD B2C use Open ID Connect for authentication and OAuth2 for authorization. The former protocol is used to acquire an ID token, the latter an access token.

    Let us know if you need additional assistance. If the answer was helpful, please accept it and rate it so that others facing a similar issue can easily find a solution.

    1 person found this answer helpful.

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