work4all is compatible with other systems thanks to numerous standard interfaces. You can connect to FIBU programs such as Datev, to shipping service providers such as DHL, DPD, GLS and UPS, or to individual web shops. A documented REST API for individual connections to third-party systems is also available for developers.
Transfer data at the push of a button
Interfaces to third-party systems and REST API
“With work4all's DATEV integration, all documents and booking records from creditors and debtors end up in DATEV - 100% paperless.”
![](https://cdn.prod.website-files.com/664208dae4ce2afeccf06cff/664b62ae64832acd380a98c7_Andrea-Ziethen-Steuerberaterin.webp)
Interfaces at a glance
Importing data from customers, suppliers and articles
Would you like to import your data when you start with work4all? With the Excel import for customers, suppliers and articles, you can do this yourself. Further imports of other data can be carried out individually by us.
Datev/FiBu
Incoming and outgoing invoices, receipts and credit card receipts, travel expense statements — all of this is recorded in work4all and can be conveniently transmitted via an interface to your financial accounting program or tax advisor.
Telephone system
work4all serves as a central database for all customers, suppliers and other business partners. It is therefore obvious to connect work4all to the telephone system in order to call contacts from work4all and recognize incoming calls.
Shipping service providers DHL, UPS and DPD
With the help of the interfaces, you can order parcel shipments directly from a WORK4ALL delivery note from your shipping service provider.
Webshop connection
There are two options for integrating data from web shops into work4all: the work4all SHOP for existing B2B customers and the web shop interface for online orders from B2C or B2B customers.