Data mapping between systems
Which field here matches which one there, what gets transformed and what to do with what doesn't fit.
Service
Two systems that don't talk cost you a person.
When information has to move from one tool to another and there's no bridge, someone becomes the bridge. That person copies, pastes and occasionally gets it wrong. We build the bridge so nobody has to.
- 1–3 weeks
- Per integration
- From USD 750
- Project
- With retries
- Fault tolerance
Why it matters
Fragile integrations are worse than none: they inspire confidence until the day they fail without warning and you find the mismatch a week later. The difference between a script and a serious integration is what happens when something goes wrong.
Scope
What's included
Explicit error handling
Retries with backoff, a queue for failed items and an alert when something needs human attention.
Idempotency
Retrying never duplicates records. It sounds obvious, and it's where most home-made integrations fail.
A log of every run
What came in, what went out and when. Without it, debugging a data mismatch is guesswork.
Credential management
Tokens and secrets kept out of the code, rotatable without redeploying.
Documented contract
What triggers the integration, how often it runs and what limits the API on the other side has.
Process
How we do it
- 01
API review
What each system allows, what rate limits it has and whether there are webhooks or it has to be polled.
- 02
Data flow design
Direction, frequency, which side wins in a conflict and what counts as a recoverable error.
- 03
Build and test
Tested against real data in a separate environment before touching production.
- 04
Monitoring
Alerts if it stops running or the error rate climbs. An integration without monitoring is a time bomb.
Stack
What we build it with
n8n when the flow benefits from being visible and editable; our own code when the logic doesn't fit in a node.
- n8n
- Node.js
- TypeScript
- REST
- GraphQL
- Webhooks
- PostgreSQL
- Docker
FAQ
Before you hire us
What if my system has no API?
We look at it case by case. Sometimes there's a scheduled export, an accessible database or an undocumented integration module. When there's no reasonable route, we say so: automating against an interface that wasn't designed for it breaks with every update.
What about API rate limits?
They're designed for from the start. We batch requests, space out runs and use webhooks instead of polling in a loop when the system allows it. If your volume exceeds the provider's plan, we catch it before building.
Related
Often combined with
Is this what you need?
Tell us about your case in four questions. We'll tell you honestly whether this service solves it, whether another one fits better, or whether we're not right for you.