How to use G-EI.COM?
Learn to prepare simple input data.
You can learn anything about preparing input data before registration. The structure of the input object is the same worldwide. We handle all annoying and sometimes very different legal requests in various countries. For you, there are only minor differences in input data. One demo company is provided for every covered country so that you can learn about minor data differences in your input object before registration.
Register
We need nothing about you except a valid email address. We don't care how you use the proper local legally compliant or EU Peppol compliant e-invoice or local legally compliant XML prepared for fiscalization. Our mission is to deliver you what you need—simply and fast. We don't save anything about you or the invoices you sent. You can send this simple invoice data for as many companies as you need. We charge for the use of API only.
Get API key.
After registration, you have access to your API key (auth token). You must use it in every generation request.
Top-up account.
You can use API until you have the remaining amount on your account. Pay as many as you feel comfortable with. You can start with just 1 EUR or with 10K EUR. You can always see your spending history and current account balance.
Call API.
Generate(Properties{}, Seller:{}, Buyer:{}, Document{}, Payments{}, PDF:False/True, Culture:en-US, Destination: Response/URI)
Learn about parameters: https://g-ei.com/documentation/parameters
Get legally compliant e-invoice.
Depending on the given parameter, the response can include a URL to an e-invoice or an e-invoice directly.