Zoho CRM Inventory Convert
Converts a Quote or Sales Order into Sales Orders or Invoices as applicable. Quotes can be converted into Sales Orders or Invoices.Sales Orders can be converted only into Invoices.
Documentation
Documentation
https://www.zoho.com/crm/developer/docs/api/v8/
APIReference
https://www.zoho.com/crm/developer/docs/api/v8/list-available-rest-apis.html