Your data stays trustworthy
One agreed source of truth per field means two systems cannot both be right and disagree.
Connect financial website systems through verified interfaces.
We integrate approved public data, enquiry and publishing systems using documented interfaces. The work defines what can be transferred, which system owns it and how failures become visible.
A few clients we’ve worked with
What we do
API integration for fintech companies: interface contract, connection implementation, monitoring and handoff.
Questions to resolve for API integration.
An integration needs verified provider capabilities and field mappings.
Retries, rate limits and duplicate events need deliberate handling.
A public interface must expose only fields approved for public use.
What happens after the successful test.
Most integrations work on the first submission. The cost shows up months later, in duplicate records, silent failures and data nobody trusts.
Failures are visible
Validation, duplicates, retries and failure behaviour are defined, so a broken connection announces itself instead of losing enquiries.
Manual re-entry disappears
Work somebody is currently copying between two tools becomes a trigger, and that person gets the hours back.
What API integration includes.
The scope below applies to the agreed financial website or platform workflow. We confirm the source material and responsible owners before work begins.
Interface contract
Verify available endpoints, permitted fields and access requirements. Keep private financial records outside public website responses.
Connection implementation
Build the agreed requests, transformations and validation. Handle rate limits, duplicate events and provider errors explicitly.
Monitoring and handoff
Test representative success and failure responses. Document credential ownership, logs and recovery procedures.
Selected website projects across our wider practice
All case studies
What clients say.
Reviews from the companies we have built and maintained websites for.
Read every review on Clutch“I would just say that you deliver on quality … I just thought we clicked, and you delivered what we were looking for.”
“We didn’t choose them to be impressed — we chose them because we knew they’d deliver high-level results with no risk. As a CTO myself, that’s exactly what I look for in a long-term partnership.”
“And, you know, the great part about the fact that you hit the goal, it's not that you had to compromise anything that you were doing, because, honestly, the end result far exceeded what we could have imagined.”
“Norml Studio's professionalism and responsiveness were impressive.”
API integration deliverables.
The handoff records the financial product and publication boundaries agreed for this work.
- 01
Verified interface and field-mapping contract
- 02
Implemented connection with validation
- 03
End-to-end test and recovery documentation
Our process
How we approach API integration.
Review the inputs
Inspect provider capabilities and confirm the permitted data and actions.
[ 01 ]
Develop and check
Build the connection with explicit handling for errors and repeated events.
[ 02 ]
Verify and hand over
Verify the actual destination records and document monitoring and recovery.
[ 03 ]The people who do this work.
No account layer between you and them. These are the Norml specialists this work runs through.
Artur Tsitou
DevOps & Backend Developer
Petr Savenok
Full-Stack Developer
Max Tymoshyn
Founder & Architect
Let's chat
“I've spent 10 years working across development and marketing. I started as a developer, but design, SEO and advertising were already part of the job. That taught me to treat a website as one system: the business, the content, the design and the code have to work together. At Norml, I lead the architecture behind our work and stay involved wherever strategy, design, development and search meet.”
Max TymoshynFounder & Architect
Get startedAPI integration for fintech companies: questions.
Can the website display data directly from our platform?
Yes, through an approved interface exposing only the intended public fields. Caching, update frequency and unavailable-source behaviour are part of the contract.
What if provider documentation differs from actual behaviour?
We record the mismatch and verify it using authorised test access before relying on it in production.
Discuss the API integration scope, source material and dependencies for your financial website.