API integrations
Still copying data from one system to another by hand? With an integration, your systems talk to each other automatically. I connect existing software and build custom APIs for your own product.
POSTTry an API yourself →Who it's for
- Businesses that retype orders, customers or invoices by hand
- Web shops that want to sync stock or orders
- Start-ups that need their own API for their app or platform
- Teams that want to bring data from different systems together
What you get
Custom REST APIs
An API is a fixed 'entrance' that lets other systems or apps talk to your software. I build APIs that are clear, fast and secure.
Integrations with CRM, accounting or payment providers
For example orders that flow straight into your accounting, or customer details that land directly in your CRM. Less retyping, fewer mistakes.
Documentation for other developers
I document how the API works, so other developers or partners can work with it later without having to figure everything out.
Secured and monitored
Only those who should have access get in. And I keep an eye on whether everything keeps running, so problems are spotted quickly, ideally before you notice them.
Why Oosterom Studio
Less manual work
Orders that flow straight into your accounting, customers that land directly in your CRM. You save time and avoid typos.
Secure and monitored
Only those who should have access get in, and I keep an eye on whether the integration keeps working, so problems are spotted quickly.
Well documented
I document how the integration or API works, so other developers can continue with it later.
How we work together
- Step 01IntroWe talk about your idea, goals and budget. No strings attached, in person or online.
- Step 02Proposal & priceYou get a clear plan with a fixed price and timeline. No surprises afterwards.
- Step 03BuildI build in short rounds and show progress along the way, so you can steer.
- Step 04Live & beyondLaunch, handover and, if you like, ongoing maintenance and improvements.
How much does an API integration cost?
An integration starts at €750 excl. VAT. A custom API with multiple parts is larger and gets its own proposal. The price mainly depends on:
- how well the systems being connected offer an API
- how many types of data need to go back and forth
- whether the integration is one-way or two-way
- requirements for speed, reliability and logging
Frequently asked questions
What is an API?
An API is a fixed 'entrance' through which systems exchange data. Through an API, your web shop can, for example, automatically create an invoice in your accounting software.
Which systems can you connect?
In principle any system that offers an API, such as web shops, CRM systems, accounting software and payment providers. In our first call I'll look at what's possible with your software.
What if a system changes?
Systems sometimes change their API. With the maintenance plan I keep an eye on the integration and update it when needed.
Can you build my own API?
Yes. For your own app or platform I build REST APIs that are fast, secure and well documented.
Curious what it would cost you?
Tell me briefly about your project. You'll get a proposal with a fixed price and timeline, no strings attached.