API QuickStart Sending Invoices

Welcome to the Billit API QuickStart Guide! This guide provides you with simple examples to get you up and running with our API. Whether you're using Postman, curl, or any other API testing tool, these examples will help you make your first API calls.

Prerequisites

before you start, make sure you have:

• A Billit sandbox Account. You can register an account make it directly active. Any license can be taken, no invoice will be sent for the sandbox.
• The generated API key (found under your profile in the Billit application)

• The PartyID (found in the URL):

• The base URL used for all API calls: For sandbox this is : "https://api.sandbox.billit.be"
• Installed Postman or a similar tool for making API request for starting your first tests.

Authentication

For this sandbox quick start walkthrough the API key authentication will be used. This to have fast results!

Billit API QuickStart Postman Collection

The postman collection used for this quickstart session can be found at the link below. A small setup is required to use all examples out of the box.

Postman Setup

1. Navigate to the Collection
2. Insert the API key from the sandbox account. Navigate to variables and fill in API key.

3. Setup the variables for the account

1. Start testing with the quick start collection! d