How to build an invoicing system with Unified.to

Building an invoicing system for a SaaS application can be efficiently managed using Unified.to's unified accounting API, which facilitates seamless data exchange with customers' accounting applications. The process involves several key steps: creating invoices by collecting necessary information from end users, accessing existing customers and products through specific API endpoints, and integrating invoices into the user's accounting system using the createInvoice API. Once an invoice is generated and paid, the status must be communicated to the accounting application via the createPayment API, which requires details such as invoice ID, customer ID, and payment amount. Unified.to's tools, including the Embedded Authorization widget and comprehensive API documentation, streamline the integration process, enabling swift addition of accounting capabilities to invoicing apps and ensuring compatibility with multiple accounting platforms.