API & system integration
Companies that need to connect systems, tools or third-party services reliably.
Updated: 2026-09
A clean integration connects your systems and third-party services so that data flows reliably — with idempotent processing, error handling and monitoring. The result is a connection that holds even when a target system goes down or an event arrives twice.
Integrations look simple until reality breaks them: an event delivered twice, an API briefly unreachable, a silent loss of data. Connections thrown together quickly work in the demo and break in operation.
A robust integration is designed for exactly those cases — idempotent, with clean error handling and monitoring, so you can rely on the data flow.
What you get
Robust connection
APIs and webhooks with idempotent, retry-safe processing.
Error handling
Defined behaviour on failure, including retry logic.
Monitoring
Visibility over data flows and early warning when something goes wrong.
Documented interface
Clear documentation so the integration stays maintainable.
How it runs
- 01
Analysis
Understanding data flows, interfaces and failure cases.
- 02
Design
A robust integration architecture with idempotency and monitoring.
- 03
Build
Implementation and testing against the real failure cases.
- 04
Operations
Setting up monitoring and handing over.
Price framing
Fixed price by scope. The price range follows from a short first conversation — with no hidden costs.
Indicative, not a binding quote — the frame is confirmed during scoping.
What drives the price? → Cost guide
Parent service: Custom Software Engineering
FAQ
Which systems can you connect?
Practically any that offer an API or webhooks — from payment providers through CRM to industry-specific software.
How do you ensure reliability?
Through idempotent processing, defined retry logic and monitoring — the three building blocks that make an integration robust.
What happens if a target system goes down?
That is planned for in advance: the integration buffers, retries and alerts rather than losing data.
API & system integration
Companies that need to connect systems, tools or third-party services reliably.