> ## Documentation Index
> Fetch the complete documentation index at: https://docs.collabase.ch/llms.txt
> Use this file to discover all available pages before exploring further.

# Abacus

> Access customers, projects, and financial data in Abacus ERP via REST API.

# Abacus

Integrate with Abacus ERP — one of Switzerland's most widely deployed business software suites. Retrieve customer and project data, sync financial records, and connect Abacus to your Collabase workflows.

## Authentication

**Auth type:** Basic (username + password or API key depending on Abacus version)

Configure API access in your Abacus installation settings. Requires Abacus with REST API module enabled.

| Credential   | Description                              |
| ------------ | ---------------------------------------- |
| **Base URL** | Your Abacus installation URL             |
| **API Key**  | Abacus API key or Basic auth credentials |

## Actions

| Action                    | Key inputs                          | Key outputs                            |
| ------------------------- | ----------------------------------- | -------------------------------------- |
| **List Customers**        | `search`, `limit`                   | customers\[], count                    |
| **Get Customer**          | `customerId`                        | customerId, name, address, email       |
| **Create Customer**       | `name`, `address`, `email`, `phone` | customerId, name                       |
| **List Projects**         | `status`, `customerId`, `limit`     | projects\[], count                     |
| **Get Project**           | `projectId`                         | projectId, name, status, customerId    |
| **List Orders**           | `customerId`, `status`, `limit`     | orders\[], count                       |
| **Get Financial Summary** | —                                   | totalRevenue, totalExpenses, netProfit |

<Note>
  Abacus is commonly deployed on-premises. Ensure your Collabase instance can reach your Abacus API endpoint — either on the same network or via a secure tunnel/VPN.
</Note>