IntegrationsBuild a formidable system that runs your business.
Zoho Books / Zoho Invoice
Leverage the power of the Zoho Finance Suite for billing and payments on Zoho FSM. Support multiple currencies and region-specific taxes with the Zoho Books/Invoice integration. Create branded invoices and mail them to your customers. Give customers the choice of offline and online payments through multiple payment gateways.
![Zoho Books / Zoho Invoice](http://www.zohowebstatic.com/sites/zweb/images/fsm/integration/z-invoice-sm.png)
Zoho Inventory
Ensure on-time services with effective inventory management. Keep a check on the parts you stock with the Zoho Inventory integration. The serial number tracking feature lets you monitor the stock available. Choose between multiple warehouses when you add a part and maintain the parts in each warehouse.
![Zoho Inventory](http://www.zohowebstatic.com/sites/zweb/images/fsm/integration/invent-sm.png)
REST APIs
Zoho FSM enables third-party integrations with REST APIs. Connect with other apps that you may use for communication, bookkeeping, forecasting, and business intelligence easily. Build a formidable system that runs every aspect of your business with Zoho FSM.
![Zoho CRM](http://www.zohowebstatic.com/sites/zweb/images/fsm/integration/api-static.png)