REST & GraphQL APIs
Secure, well-documented APIs that power your frontend, mobile app, or device fleet
APIs designed for consumption — documented, versioned, and built to last.
What This Service
Actually Covers
A poorly designed API creates technical debt for everyone who consumes it. We design and build RESTful and GraphQL APIs using Node.js, Python (FastAPI), and Go — with input validation, authentication middleware, rate limiting, error handling, OpenAPI documentation, and automated test coverage. APIs that are a pleasure to integrate against.
Expert Engineers
Projects Delivered
Client Satisfaction
Support Available
Everything Included
A detailed breakdown of every capability we bring to this engagement — no hidden scope.
RESTful API design following OpenAPI 3.0 specification
GraphQL schema design with resolvers, subscriptions, and DataLoader
Node.js (Express, Fastify), Python (FastAPI, Django REST), Go (Gin)
JWT and OAuth2 authentication and authorisation middleware
Input validation, sanitisation, and error response standardisation
Rate limiting, throttling, and API key management
Database integration (PostgreSQL, MongoDB, Redis)
Automated API testing (Jest, Pytest) and OpenAPI documentation
How We Approach
This Service
A clear, structured methodology tailored specifically to this engagement.
API Design & Contract Review
Design API resource model, endpoint contracts, and authentication strategy. Review with all consumers before building.
Core API Implementation
Build authentication, core resource endpoints, database layer, and error handling with test coverage from day one.
Security, Rate Limiting & Validation
Add rate limiting, input validation, SQL injection prevention, and security headers.
Documentation, Testing & Deployment
Generate OpenAPI docs, achieve target test coverage, deploy to staging and production with CI/CD.
Ideal For
Companies needing a backend API to power a web app, mobile app, IoT device fleet, or third-party integration.
What You Receive
API source code, OpenAPI documentation, automated test suite, CI/CD pipeline, and deployment guide.
Often Combined With
These services frequently complement REST & GraphQL APIs in the same project.
Web Applications
Performant, scalable web apps built on modern React and Next.js
Explore →IoT Device Management Portals
Web portals for provisioning, monitoring, and managing fleets of connected devices
Explore →Real-Time Cloud Dashboards
Live telemetry visualisation and analytics dashboards for IoT and operational data
Explore →More Services in
This Category
Explore the other specialised services we offer under Software Development.
Web Applications
Performant, scalable web apps built on modern React and Next.js
Mobile App Development
Cross-platform iOS and Android apps with native performance
IoT Device Management Portals
Web portals for provisioning, monitoring, and managing fleets of connected devices
Real-Time Cloud Dashboards
Live telemetry visualisation and analytics dashboards for IoT and operational data
DevOps & Cloud Infrastructure
Automated deployment pipelines and scalable cloud infrastructure for your product
Ready to Start Your
REST & GraphQL APIs Project?
Tell us about your project and we'll put together an honest, detailed proposal — no lengthy sales pitch.