# Federated Identity vs. Single Sign-On: Key Differences

**URL:** <https://community.auth0.com/t/federated-identity-vs-single-sign-on-key-differences/197311>\
**Category:** Blog Discussions\
**Tags:** federated, federated-identity, sso-integration, confused-developer, authentication\
**Created:** [February 16, 2026, 11:56am UTC](https://community.auth0.com/t/federated-identity-vs-single-sign-on-key-differences/197311 "2026-02-16T11:56:48Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![andrea.chiarelli](https://sea1.discourse-cdn.com/auth0/user_avatar/community.auth0.com/andrea.chiarelli/32/16034_2.png) [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Post date:** [February 16, 2026, 11:56am UTC](https://community.auth0.com/t/federated-identity-vs-single-sign-on-key-differences/197311/1 "2026-02-16T11:56:48Z")

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What is the difference between Federated Identity and Single Sign-On?

Here is a [blog post](https://auth0.com/blog/federated-identity-vs-single-sign-on-key-differences) explaining it to you, covering concepts, protocols, and implementation nuances.

 ![image](https://global.discourse-cdn.com/auth0/original/3X/2/2/22aad2134abb0feb5b8454453567973339d4ad1a.jpeg)

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**Author:** ![andrea.chiarelli](https://sea1.discourse-cdn.com/auth0/user_avatar/community.auth0.com/andrea.chiarelli/32/16034_2.png) [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Post date:** [February 16, 2026, 11:56am UTC](https://community.auth0.com/t/federated-identity-vs-single-sign-on-key-differences/197311/2 "2026-02-16T11:56:54Z")

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<div class="post-metadata">

**Author:** ![andrea.chiarelli](https://sea1.discourse-cdn.com/auth0/user_avatar/community.auth0.com/andrea.chiarelli/32/16034_2.png) [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Post date:** [February 16, 2026, 11:59am UTC](https://community.auth0.com/t/federated-identity-vs-single-sign-on-key-differences/197311/4 "2026-02-16T11:59:06Z")

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Do you have any questions? Drop a message here. I’ll be happy to help you!

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<div class="post-metadata">

**Author:** ![andrea.chiarelli](https://sea1.discourse-cdn.com/auth0/user_avatar/community.auth0.com/andrea.chiarelli/32/16034_2.png) [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Post date:** [February 18, 2026, 4:42pm UTC](https://community.auth0.com/t/federated-identity-vs-single-sign-on-key-differences/197311/5 "2026-02-18T16:42:57Z")

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