Zoho Service Communication (ZSC) Key
Zoho provides numerous world class apps in addition to Zoho Billing, such as Zoho CRM, Zoho Invoice, etc. If you have a Zoho CRM account and would like to integrate with your Zoho Billing or Zoho Invoice account, you may use this ZSC key to do so. The ZSC Key is a unique key used to communicate between these apps.
Navigate to Settings > Integrations and select Zoho Billing ZSC Key, to get the key or to generate a new one.
Click on the Regenerate ZSC Key link provided on this page, to generate a new ZSC key.
When cards are used for payment, the payer’s card information will be encrypted and passed to the payement gateway. After the payment is processed and confirmed, the last 4 digits of the card along with the month and year of expiry are stored in the payment details section of Zoho Billing.