---
title: "DATEV Unternehmen Online integration"
description: "DATEV Unternehmen Online is the cloud-based document exchange platform connecting German businesses with their tax advisors for accounting data exchange, document upload, and journal entry submission."
url: "https://www.apideck.com/integrations/datev-unternehmen-online"
section: "Integrations"
status: "beta"
updated: "2026-09-17T12:14:30.265Z"
tags: ["Accounting"]
---

# DATEV Unternehmen Online integration

DATEV Unternehmen Online is the cloud-based document exchange platform connecting German businesses with their tax advisors for accounting data exchange, document upload, and journal entry submission.

- Status: beta
- Unified APIs: [Accounting](https://www.apideck.com/accounting-api)
- Webhooks: virtual
- HTML page: https://www.apideck.com/integrations/datev-unternehmen-online

## Supported resources

| Resource | Status | Details |
|---|---|---|
| Datev Companies | beta | [datev-companies](https://www.apideck.com/integrations/datev-unternehmen-online/datev-companies) |
| Clients | live | [clients](https://www.apideck.com/integrations/datev-unternehmen-online/clients) |
| General Ledger Accounts | live | [general-ledger-accounts](https://www.apideck.com/integrations/datev-unternehmen-online/general-ledger-accounts) |
| Accounting Sequences | live | [accounting-sequences](https://www.apideck.com/integrations/datev-unternehmen-online/accounting-sequences) |
| Sums And Balances | live | [sums-and-balances](https://www.apideck.com/integrations/datev-unternehmen-online/sums-and-balances) |
| Profit And Loss | live | [profit-and-loss](https://www.apideck.com/integrations/datev-unternehmen-online/profit-and-loss) |
| Tax Rate Accounts | live | [tax-rate-accounts](https://www.apideck.com/integrations/datev-unternehmen-online/tax-rate-accounts) |
| Customer Accounts | live | [customer-accounts](https://www.apideck.com/integrations/datev-unternehmen-online/customer-accounts) |
| Supplier Accounts | live | [supplier-accounts](https://www.apideck.com/integrations/datev-unternehmen-online/supplier-accounts) |
| Documents | live | [documents](https://www.apideck.com/integrations/datev-unternehmen-online/documents) |
| Invoices | live | [invoices](https://www.apideck.com/integrations/datev-unternehmen-online/invoices) |
| Bills | live | [bills](https://www.apideck.com/integrations/datev-unternehmen-online/bills) |

## SDKs

- [Node](https://www.apideck.com/integrations/datev-unternehmen-online/sdk/node)
- [TypeScript](https://www.apideck.com/integrations/datev-unternehmen-online/sdk/typescript)
- [Python](https://www.apideck.com/integrations/datev-unternehmen-online/sdk/python)
- [.NET](https://www.apideck.com/integrations/datev-unternehmen-online/sdk/dot-net)
- [PHP](https://www.apideck.com/integrations/datev-unternehmen-online/sdk/php)
- [Java](https://www.apideck.com/integrations/datev-unternehmen-online/sdk/java)
- [Go](https://www.apideck.com/integrations/datev-unternehmen-online/sdk/go)

## FAQs

### How do I integrate DATEV Unternehmen Online API with my application?

Apideck provides a unified Accounting API that makes DATEV Unternehmen Online integration simple. Sign up for free, enable DATEV Unternehmen Online in your dashboard, and use our Vault component to let your users connect their DATEV Unternehmen Online accounts. We handle OAuth authentication, token refresh, and data normalization automatically.

### What DATEV Unternehmen Online data can I access through Apideck?

Our DATEV Unternehmen Online integration supports 12+ data models including datev companies, clients, general ledger accounts, and accounting sequences. You can perform read and write operations through our unified API, working with the same code structure across all accounting platforms.

### How does DATEV Unternehmen Online authentication work with Apideck?

Apideck's Vault handles DATEV Unternehmen Online authentication completely. Your users connect their DATEV Unternehmen Online accounts through our secure, white-label UI. We manage OAuth tokens, automatic refresh, and credential storage, so you never have to implement DATEV Unternehmen Online's auth flow yourself.

### Does Apideck support DATEV Unternehmen Online webhooks?

Yes, Apideck provides real-time notifications when DATEV Unternehmen Online data changes. Our unified webhook system normalizes events across all integrations, so you handle DATEV Unternehmen Online events with the same code you use for other accounting platforms.

### Why use Apideck instead of DATEV Unternehmen Online's direct API?

Using Apideck's unified API instead of DATEV Unternehmen Online's direct API saves significant development time. You get normalized data models, automatic auth handling, and the same integration code works with 200+ other apps. When DATEV Unternehmen Online updates their API, we handle the changes so your integration keeps working.

### How quickly can I build a DATEV Unternehmen Online integration?

Most developers ship a working DATEV Unternehmen Online integration within a day using Apideck. Sign up for a free trial (no credit card required), enable DATEV Unternehmen Online, and make your first API call within minutes. Our SDKs for Node.js, Python, and other languages make implementation straightforward.