maesn

Get an API key

This page helps you to get started with the maesn API

Introduction

Integrate your application to the systems that really matter

Explore our integrations

Learn how to authenticate your requests to the maesn API

Authentication

Learn about rate limits for maesn's unified APIs

Rate limiting

Learn how to paginate and filter your requests

Pagination & Filtering

Learn how to use the raw data functionality of the maesn API

Raw Data

Get ready to kickstart integrations to ERP with us!

About maesn

Welcome to maesn!

Quick start

maesn Connect

Postman

Test maesn's Unified API with Postman

Best practices for keeping the data from maesn fresh

Keeping data fresh

Overview

Endpoint coverage

bexio

BuchhaltungsButler

DATEV Rechnungswesen

DATEV Unternehmen Online

DATEV Unternehmen Online (DUO)

Exact Online

FreeAgent

FreshBooks

Holded

Lexware Office

Microsoft Business Central

QuickBooks

Sage Accounting

Sage Active

sevdesk

weclapp

Xentral

Xero

Explore our use cases

Implement seamless processes around invoice management by allowing end users to retrieve invoice- and customer data from third-party accounting and ERP platforms

Invoice management

Automate synchronization of contacts between your application and your customer's preferred accounting system

Synchronize contacts

Automate classification and synchronization of expenses between your application and your customer's preferred accounting service

Synchronize expenses

Automate invoice- and bill creation, or create approval processes around sending invoices and bills to third-party accounting and ERP platforms

Create invoices

Implement easy transfer of files to DATEV for accounting and tax purposes.

Upload document to DATEV

Synchronize items between your application and your customer's preferred ERP system

Delete end user

Headers