
REST & GraphQL APIs
Designed for flexibility and speed
We build scalable REST and GraphQL APIs that allow your applications to communicate seamlessly, handle large data loads, and deliver content efficiently.
APIs are the backbone of modern web and mobile apps. At JW Digital, we build custom APIs that enable communication between your systems, automate operations, and enhance performance — all with robust authentication and security. in Chelmsford

We build scalable REST and GraphQL APIs that allow your applications to communicate seamlessly, handle large data loads, and deliver content efficiently.

Our APIs include token-based authentication, rate limiting, and encryption to ensure data integrity and secure transactions at scale.
Enhance connectivity, automation, and performance
API uptime across client projects
reduction in manual data handling
secure authentication on all endpoints
faster data response times on optimised APIs

A well-designed API streamlines operations and enhances digital flexibility. Off-the-shelf APIs often limit scalability and customisation, whereas bespoke APIs adapt to your workflow and business logic. Whether integrating third-party services or connecting microservices, JW Digital ensures every API is optimised for speed, security, and long-term reliability. in Chelmsford
Get a Free API ConsultationTrusted web design, SEO, and digital solutions tailored for Chelmsford businesses.
We build websites tailored for how people search and browse in Chelmsford, helping you attract more local clients.
Fast, reliable, and future-proof websites built with modern frameworks and optimised for conversions.
Boost visibility with technical SEO, on-page optimisation, and local ranking strategies that perform exceptionally in Chelmsford.
Your site is protected with enterprise security and built to grow as your Chelmsford business expands.
A structured, transparent approach from design to deployment
We assess your data structure, integration points, and scalability requirements to define a tailored API architecture.
Our developers build secure endpoints with versioning, rate limits, and authentication layers to ensure API reliability.
Each API undergoes performance, load, and security testing with clear documentation for your developers and users.
We deploy your API to production with CI/CD pipelines and offer ongoing monitoring, optimisation, and maintenance.

Everything you need for a robust, secure backend
REST or GraphQL APIs designed around your business logic and data models.
OAuth2, JWT, and HTTPS encryption to protect sensitive data and endpoints.
Fully documented endpoints and usage guides for developers and integrations.
Built for growth and deployed to AWS, Vercel, or your preferred cloud provider.
Our API development services are fully customisable — from simple integrations to complex multi-system architectures. We ensure each API is fast, secure, and easy to maintain.
£800
Typical delivery time: 2–4 weeks
We’ll tailor your package to match your business goals, audience, and preferred style. From design and development to SEO and hosting — our team handles it all.
Explore more backend development services available in Chelmsford.

Build powerful, secure APIs for your business for Chelmsford businesses
JW Digital develops custom APIs for web, mobile, and SaaS platforms. Our APIs are fast, scalable, and built with security at their core — enabling seamless data exchange across systems. We help companies in Chelmsford grow online with high-performance, SEO-focused websites.
From £900
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Connect apps and platforms effortlessly for Chelmsford businesses
We integrate third-party APIs into your website or app to streamline workflows, automate processes, and enhance user experience — from payment gateways to CRM systems. We help companies in Chelmsford grow online with high-performance, SEO-focused websites.
From £500
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High-performance, scalable database architecture for Chelmsford businesses
We design, optimise, and maintain relational and NoSQL databases that grow with your business. From schema design to indexing and query tuning, JW Digital ensures peak performance. We help companies in Chelmsford grow online with high-performance, SEO-focused websites.
From £700
Learn MoreFAQs
Trusted by UK businesses for secure, scalable digital solutions. We make your online journey smooth with expert support and transparency.

Yes. We migrate Chelmsford websites safely to modern, faster, and more secure platforms.
Yes. We focus on UX, CTAs, and layout optimisation to improve conversions for Chelmsford customers.
Yes. We design high-conversion landing pages for ads, services, or local campaigns in Chelmsford.
Yes. We offer monthly tracking and performance analysis for Chelmsford websites.
Yes. We integrate booking tools, calendars, and scheduling systems for Chelmsford businesses.