Zoho Payments for WHMCS

Zoho Payments for WHMCS enables invoice payments via an embedded checkout widget:

• Multi-region: Supports both India (.in) and US (.com) Zoho data centres.
• Secure verification: Direct server-side API verification for all on-page checkouts.
• Asynchronous webhooks: Signed HMAC-SHA256 webhooks for automated Payment Link processing.

Setup → Payment Gateways → Zoho Payments

Who it is for

Designed for WHMCS merchants operating on Zoho infrastructure who require an integrated, in-page checkout experience without external redirects.

How it works

Step	What happens
Pay Now	The customer clicks Pay Now on their invoice
Widget	The embedded Zoho Payments widget opens with payment options
API-verified	On success, WHMCS verifies the payment against the Zoho API
Marked paid	The invoice is marked paid, with details and fees recorded

What you'll need

• Zoho Payments account: Active account with Payments API access.
• OAuth credentials: Client ID, Client Secret, and Refresh Token.
• SSL certificate: Active HTTPS configuration for secure webhook delivery.

See Requirements and the Zoho OAuth setup guide.

Where to go next

• Requirements — check your server and Zoho account
• Zoho OAuth setup — app, refresh token, webhook
• Installation — upload, activate, configure
• Widget checkout
• Settings reference · Error reference

New here?

Follow Requirements → Zoho OAuth setup → Installation, then test in test mode before going live.