Skip to main content

Services

API Development Services

Reliable APIs are the backbone of modern software. We design and build APIs that are robust, well-documented, and ready for production.

Get a Free Consultation

Disconnected systems slow everything down

When your website, mobile app, CRM, and payment systems do not talk to each other, teams waste time on manual data entry and customers get a fragmented experience. API development connects your stack into a cohesive system.

APIs built for reliability and scale

Cyfur provides API development services for businesses across the US, Canada, and Europe. We build RESTful APIs with Node.js, design authentication flows, integrate payment gateways and third-party services, and document everything for your team. Whether you need a backend for a mobile app or integrations between business tools, we deliver production-grade APIs.

Technologies we use

Node.jsExpressPostgreSQLRedisOpenAPIOAuth 2.0

Our process

01

API design

Endpoint planning, data models, and authentication strategy before coding.

02

Development

Clean, versioned APIs with input validation, error handling, and logging.

03

Documentation

OpenAPI specs and integration guides so your team can use the API confidently.

04

Testing & monitoring

Automated tests, rate limiting, and health checks for production reliability.

Why choose Cyfur

Production hardened

Authentication, authorization, input sanitization, and HTTPS everywhere.

Third-party integrations

Stripe, payments, messaging, maps, and SaaS tools your stack already uses.

Versioned APIs

Backward-compatible versioning so updates do not break existing clients.

Performance

Caching, pagination, and query optimization for fast response times.

Frequently asked questions

REST or GraphQL?
We primarily build REST APIs for simplicity and broad compatibility. GraphQL is available when the use case warrants it.
Can you integrate with our existing systems?
Yes. We connect new APIs with legacy databases, ERPs, and third-party SaaS tools.
Do you provide API documentation?
Every project includes OpenAPI documentation and example requests for your development team.
How do you harden APIs for production?
JWT/OAuth authentication, rate limiting, HTTPS, input validation, and regular code reviews.

Ready to start your project?

Tell us about your goals and we will put together a clear plan and quote.

Contact Cyfur