---
title: "API Documentation"
slug: "api-documentation"
updated: 2026-07-01T08:57:30Z
published: 2026-07-01T08:57:30Z
canonical: "help.ila.cegid.com/api-documentation"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.ila.cegid.com/llms.txt
> Use this file to discover all available pages before exploring further.

# API Documentation

The Invoicing Engine API allows to access customer information, as per their authorization. The Web API endpoints allow access to middleware resources, by following the same structure and providing a set of similar operations.

You can view this documentation on the following platforms:

- [Invoicing Engine Web API](https://invoicing-engine.primaverabss.com/api/docs/index.html)
- [Invoicing Engine Middleware Web API](https://invoicing-engine.primaverabss.com/middleware/api/docs/index.html)