API Development & Systems Integration
REST API Development
Well-designed, documented and secure REST APIs that let your web apps, mobile apps and partners access your data and business logic reliably.
Overview
Why it matters
for your business.
Your mobile app, website, partner portal and internal tools all need the same data and rules. When each one talks to the database directly or through ad hoc endpoints, logic gets duplicated, security gaps appear and changes break things unexpectedly. We build REST APIs that act as a single, well-defined front door to your systems, with consistent behaviour and clear documentation.
Design comes before code. We agree resources, naming, error formats, pagination and versioning in an OpenAPI specification that your frontend developers and partners can review early. Implementation includes authentication, input validation, rate limiting and logging as standard. Automated tests cover each endpoint, and interactive documentation is generated from the specification, so it stays accurate as the API evolves.
What's included
- OpenAPI specification reviewed with your team
- Implemented REST endpoints with automated tests
- Authentication, validation and rate limiting
- Interactive API documentation portal
- Versioning and deprecation policy
- Deployment to your cloud environment
Outcomes
What changes
for your business.
Ideal for
- Products adding mobile apps to existing web systems
- Businesses exposing data to partners or dealers
- Startups building an API-first SaaS backend
One consistent interface
All your apps and partners use the same rules and data, reducing duplicated logic and conflicting results.
Faster frontend work
A clear contract lets web and mobile teams build in parallel using mock servers before the API is finished.
Safer changes
Versioning and automated tests let you evolve the API without breaking existing consumers.
How we deliver
A clear, accountable
process.
Every engagement follows the same disciplined approach, adapted to the size and urgency of your project.
- 01
Discover
We map your workflows, users and integrations, then agree scope, priorities and milestones.
- 02
Design
User flows, interface designs and architecture are reviewed with you before development starts.
- 03
Build
Short sprints with working demos, code reviews and testing, so you see progress every step.
- 04
Launch & support
We deploy, train your team, hand over documentation and stay on for support and enhancements.
Ways to work with us
- Fixed-price projectsDefined scope, milestones and deliverables.
- Time & materialFlexible delivery based on actual effort and resources.
- Dedicated teamsAssigned engineers, testers or marketers for ongoing work.
- Annual maintenance contractsScheduled maintenance and support agreements.
FAQ
Common
questions.
Something else on your mind? Ask us directly.
Which language or framework will you build the API in?
We usually match your existing stack and team skills, commonly Node.js, Java with Spring Boot, Python with FastAPI or .NET. If you are starting fresh, we recommend based on performance needs, hiring availability in your area and the libraries your domain requires. The OpenAPI contract stays the same either way.
Who owns the API code and documentation?
You do. Source code, the OpenAPI specification, test suites and infrastructure scripts are delivered to repositories under your organisation’s control. We work in your cloud accounts wherever possible, so there is no dependency on us to keep the API running.
Let's talk about REST API Development.
Tell us what you need and get a clear plan and proposal, free and with no obligation.