Get Started with the Billit API
Follow these steps to create your account, set up your environment, and make your first API calls.
Developer set-up
Create a Sandbox Account Learn how to create your sandbox account and authenticate with the Billit API.
Authentication The way of being super sneaky and secure.
Start Building
Basics Get familiar with the Billit API based on endpoint v1/order and its core principles. It can be used for sending via the Open/Peppol network only, or it can be extended to more if needed : send in other international e-invoice networks, send via email, print with postal delivery.
Sending E-Invoices Step-by-step examples to help you send your first invoices via the API.
Receiving E-Invoices Examples to guide you in receiving and processing invoices via the API.
Error Messages
Troubleshooting Common issues and solutions to help you resolve errors and continue building smoothly.
Need help?
Contact the Developer Support Team Reach out with your technical questions if you did not find the information in the documentation.
E-mail: [email protected]
Updated 3 days ago