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myInterface.io

Services: integration development for small and medium-sized businesses

We program direct integrations from system A to system B. Data that you enter twice today or transfer by hand via export then flows automatically. You get a fixed price, the code is yours, and if you want, we run the integration on servers in Germany.

Our services are organized by the goal of the connection. For accounting, the DATEV integration is usually the focus. Between online shop and ERP, the shop-ERP connection helps; between sales and invoicing, the CRM connection. If a program has no API, we use files, SFTP or the database. How that works is described under connection without an API.

The same process applies to every integration: a free check in 30 minutes, a fixed-price quote in 3 working days, implementation usually in 2 to 4 weeks. Afterwards, if you want, we take over operation with monitoring, cancellable monthly. The page Have an integration programmed gives an overview of all options and how we work, and prices and steps are under process and pricing.

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Updated: 10/20/2026

Contact

Which programs should talk to each other?

Portrait of Benjamin Kopka

Benjamin Kopkaruns your integration checkReply within one working day

  1. Hello! Which programs should talk to each other?
  2. Shopware and DATEV. We retype every invoice by hand.
  3. We connect them directly: invoices, credit notes and payments go to DATEV automatically as a Buchungsstapel (DATEV posting batch).
  4. What does it cost?
  5. After a 30-minute check, you get a fixed price within three working days. The code is yours.

Prefer email? info@myinterface.io