Both ends built.
We often build the website or platform as well, so nothing falls between suppliers.
We connect your website, CRM, shop, payments and finance tools through their APIs, so records move automatically, nobody re-keys them and you hear about it when something fails.
API integration connects two or more software systems through their application programming interfaces, so data moves between them automatically. A website form can create a contact in your CRM, a paid order can raise an invoice in your accounts software, and stock levels can update across every channel. Done well, integrations retry when a system is down and alert someone when data can't be delivered.
Last reviewed 25 October 2026 by the Rubik Digital team.
Records move without anyone re-keying them.
Changes in one system reach the others.
Failed syncs retried and flagged.
Keys stored safely, access kept minimal.
How we fix it
Here's how a typical set of integrations fits together. Choose a connection to see what it does.
Every enquiry becomes a contact and deal in your CRM, with the page and campaign it came from.
Global UHNW finance brokerage
Five stages for every integration, whether it's one connection or a dozen.
Start a projectAPI Integration, itemised
What moves where.
Systems, records and fields mapped, with the rules for conflicts.
The right method.
Native connector, middleware or custom code, chosen for reliability and cost.
Connected safely.
Built against test accounts, with keys stored securely.
Real data, edge cases.
Duplicates, missing fields and outages tested before go-live.
Watched after launch.
Logs, retries and alerts, with fixes when a vendor changes its API.
There's more than one way to connect two systems. We'll recommend the simplest one that's reliable enough.
It depends on how many systems are connected, whether data moves one way or both, and how much existing data needs syncing first. A single connection between well-documented tools is a small project. We price each integration after mapping the systems and data involved.
Get a fixed proposalWhat moves the price
How many tools are connected.
Effect on budget: High
One-way pushes or two-way sync.
Effect on budget: High
How well each system is documented.
Effect on budget: Medium
Records to clean and sync first.
Effect on budget: Medium
Alerts, logs and ongoing support.
Effect on budget: Low
We build the websites and platforms these integrations start from, so we know both ends of the connection.
Expert guidance and flawless execution. Our go‑to agency for all things digital.”
What people usually ask us before a project starts. If yours isn't here, ask it in the form and someone senior will reply.
Most modern systems with an API, including CRMs like HubSpot and Salesforce, Shopify and WooCommerce, Stripe, Xero and QuickBooks, booking tools and messaging apps such as Slack. Where a system has no API, we look at secure alternatives such as scheduled file imports.
Start a conversation
Tell us the tools involved and what should move between them. We'll suggest the simplest way to connect them.