KSeF 2.0 .NET (C#) – Integration Library
.NET Client Library (C#) for KSeF 2.0 REST API. This integration library, written in JAVA, allows for integration with the National e-Invoice System – KSeF 2.0 REST API. The ZIP package includes the library, source code, data model, and error return codes. Implementation details include sequence diagrams describing the execution order. Read more…