E-Invoice Middleware

Job ID: 32482438

Budget: $30 – $250 USD

We need to design a middleware windows app which can communicate with the new Egyptian Tax Authority (ETA) portal using their API to review and submit invoices.

https://sdk.preprod.invoicing.eta.gov.eg/start/

The app main feature is to import excel file, prepare it to JSON and XML, create canonical version, apply hashing of the serialized document, signing the hash value using eSeal certificate and creating CADES-BES signature, then submit the invoice.
Related categories: XML Windows Desktop C# Programming Cryptography JSON