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WebSenior team · 15+ yrs · 900+ projects

API Development Services (REST & GraphQL)

Robust APIs for seamless integrations.

We build secure, scalable, and high-performance APIs using REST and GraphQL. Our API development services help businesses integrate systems, automate workflows, and improve application performance.
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15+

Years

900+

Projects

35+

Countries

stallioni / api-development

Live · Available now

API Development Services (REST & GraphQL)

Top offerings

  • REST API Development
  • GraphQL API Development
  • API Integration & Automation
  • API Documentation
Overview
A well-designed API is the difference between a product that scales and one that crumbles when a partner integration goes live. We build OpenAPI-documented REST APIs and Apollo-powered GraphQL endpoints with rate limiting, JWT or OAuth2 auth, structured error handling, and proper versioning. Every API ships with Postman collections, Swagger docs, and integration tests — so your internal team and external developers can plug in without a single Slack message to ours.
What we deliver

Built end-to-end, ready to ship.

Every engagement delivers production-quality output — code, designs and infrastructure your team can take over on day one.

Production-ready Scalable Documented

REST API Development

Fast and secure APIs for web, mobile, and SaaS applications.

GraphQL API Development

Flexible APIs that deliver only the data you need — great for modern apps.

API Integration & Automation

Connecting third-party services, payment gateways, CRMs, ERPs, and more.

API Documentation

Clear documentation for developers and teams.

API Security

Token-based authentication, encryption, rate limits, and more.

Built with

Node.jsExpressApolloSwaggerPostman
Why us

Why Choose STALLIONI for API Development

  • Fast development & delivery
  • Affordable API solutions
  • Strong engineering team
  • Ideal for startups, agencies, and SMBs
  • Works across USA, UK, India, Middle East, Australia
FAQ

Answers to your key questions.

< 24 hours

avg response

Migration

Can you integrate APIs into my existing system?

Yes, we integrate APIs into new or existing applications.

Support

Do you support long-term updates?

Yes, we provide full maintenance and upgrades.

Related services

Other services in this area

Laravel DevelopmentPHP API DevelopmentMicroservices ArchitectureThird Party IntegrationsCustom Web App DevelopmentApi Testing

Free consultation

Ready to start your api development services (rest & graphql) project?

Tell us your goals — we'll scope, price and plan it in 24 hours.

Get free quoteContact us