## Zoho Billing - Product, solutions, integrations, support, and resources Index

Access the complete documentation index at:
https://www.zoho.com/en-ng/billing/llms.txt

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# What is Single Sign-On (SSO)?

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Single Sign-On (SSO) is an authentication method that allows users to sign in to applications using a single set of login credentials. Instead of remembering different usernames and passwords for each app, users can log in once through a trusted Identity Provider (IdP) and get seamless access to all connected services.

Learn how you can [set up Single Sign-On](/billing/help/settings/customer-portal-sso/customer-portal-sso.html) for your Zoho Billing organization.