Systems integration that ends double data entry

ERP, CRM, e-commerce, payments and in-house systems talking to each other
— consistent data, handled errors and nobody copying information by hand.

🔗 ERP, CRM, payments and in-house systems
🔄 synchronisation with failure handling
📊 monitoring on every integration

The invisible cost of systems that do not talk

Almost every company has someone who spends part of the day copying information from one system into another. That work appears in no report, yet it costs hours a week, creates divergence between databases and produces the worst kind of error: the one nobody notices until a customer complains.

Integration fixes this by letting systems exchange data on their own. But good integration is not just "connecting" — it is deciding who owns each piece of information, what happens when one side is down, and how an error reaches a human when it needs a decision.

That part, what happens when things go wrong, is what separates an integration that runs for years from one that breaks silently and is only discovered at month-end close.

Who this is for

The most common scenarios.

📋

Typing into two systems

The same information is entered twice because the tools do not talk to each other.

🛒

E-commerce and back office

Online store, stock, ERP and carriers that need orders, prices and tracking kept in sync.

🏭

Companies with legacy systems

An old system that works well, that nobody wants to replace, but that has to talk to the new stack.

💳

Payments and billing

Gateways, invoices, instant payments, subscriptions and reconciliation that today depend on a spreadsheet and manual checking.

What we deliver

Integration that keeps working when something goes wrong.

🔗

Custom APIs

Development of your own REST APIs — documented, versioned and authenticated — for your partners or your systems.

🔄

Synchronisation between systems

Defining which system is the source of truth for each field, and syncing both ways when required.

📜

Third-party API consumption

Connections to ERPs, CRMs, gateways, carriers, tax systems and any service that offers integration.

🛑

Failure handling

Automatic retries, a reprocessing queue and alerts to a human when the failure needs a decision. Nothing disappears silently.

🔒

Security

OAuth 2.0, rotated keys, encrypted traffic and a log of every call for auditing.

📊

Monitoring

A dashboard with volume, latency and errors per integration. You find the problem before your customer does.

How we run the project

The detail is where integrations break.

1

Data mapping

Which data flows, how often, and who owns each field. Without that decision, integration turns into conflict.

2

Proof of concept

We test the critical path with real data in an isolated environment before committing the whole project.

3

Development and testing

Built with error handling from the start, tested against the bad cases and not only the happy path.

4

Go-live and monitoring

A supervised move to production, with alerts configured and fine-tuning through the first weeks.

Protocols and platforms

We integrate with what exists, from modern to legacy.

REST GraphQL Webhooks SOAP / XML OAuth 2.0 JWT Message queue ETL ERP CRM Gateways de pagamento AWS / Azure / GCP

Frequently asked questions about systems integration

Can you integrate with a system that has no API?

Most of the time, yes — through other routes. Scheduled file import and export, direct database reads where authorised, or an intermediate layer. It is less elegant than an API, but it works. We assess the case before promising.

How long does an integration take?

A simple integration between two systems with decent APIs usually takes 3 to 6 weeks. What stretches the timeline is almost never the code: it is incomplete documentation on the other side, access to a test environment, and the decision on which system owns each field.

What happens if one of the systems goes down?

The integration has to be built assuming that will happen. We hold undelivered items in a queue, retry automatically with increasing intervals, and alert a human if it keeps failing. Data is not lost and nobody discovers the problem at month-end.

Who owns the data when both systems have it?

That is the first decision of the project, and it is a business decision, not a technical one. We define field by field which system wins — for example, the ERP owns price and the store owns the description. Without that, both sides overwrite each other and data drifts.

Do you build APIs for our partners to consume?

Yes. We build documented REST APIs with authentication, rate limiting and versioning — so your partners can integrate without depending on support, and so a future change does not break whoever is already connected.

Does an integration need maintenance?

It does. Third-party APIs change versions, deprecate fields and alter authentication rules. An unmonitored integration typically survives a few months and then breaks. That is exactly why we work with monitoring and a maintenance contract.

Which of your systems are not talking?

We map the current flow and show what can be integrated, in what order and with what gain.