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

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

Use this file to discover all available documentation pages before proceeding.

# Settings

*   [How do I invite users?](/en-sg/billing/kb/settings/inviting_users.html)
*   [Can I upload my own invoice template?](/en-sg/billing/kb/settings/invoice_template.html)
*   [Can I use my own payment gateway and integrate it with Zoho Billing using your API?](/en-sg/billing/kb/settings/payment-gateway-integrate.html)
*   [How do I set the background image in my invoice template?](/en-sg/billing/kb/settings/bgimg-templates.html)
*   [How can I stop receiving email notifications for every online payment I receive?](/en-sg/billing/kb/settings/how-can-i-stop-receiving-email-notifications-for-every-online-payments-i-receive.html)

## Single Sign-On

*   [What is Single Sign-On?](/en-sg/billing/kb/settings/sso-define.html)
*   [How can my customers completely log out from both the IdP and Zoho Billing?](/en-sg/billing/kb/settings/logout-idp-billing.html)
*   [Can I use a single IdP to configure SSO for multiple Zoho applications?](/en-sg/billing/kb/settings/one-idp-multiple-apps.html)
*   [How does enabling or disabling Custom Domain for my organization affect the SSO set up?](/en-sg/billing/kb/settings/custom-domain-sso.html)
*   [How can I resolve SSO login issues reported by customers in the Customer Portal?](/en-sg/billing/kb/settings/trouble-shooting-sso.html)