## Zoho Billing - Product, solutions, integrations, support, and resources Index Access the complete documentation index at: https://www.zoho.com/qa/billing/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # How is Add Charge option useful? Add Charge can be used to charge the customer for the service or goods you provided for their which is usually not part of your plan or add-on. Once, you charge the customer an invoice will be raised and sent to the customer.