How to submit a Document

In order to be able to successfully submit a Document in our Demo environment based on the following templates you need to do the following actions:

• you need to change the value in the fields Number and InternalDocumentId

• Then you will need to implement a POST request to send the JSON to the following address https://einvoice-demo.s1ecos.gr/invoice/json
• Finally, you must add a custom header to the request, with APIKey key and value 0383223f-06ff-4e7c-bd36-29a1acdb41b0