Expert REST API Development AgencyDevelopment Agency
We build secure, scalable REST APIs for your business. Launch in 12 weeks with a fixed price.
We build expert REST API development services using Node.js, Express, PostgreSQL, and Docker. Our APIs are designed for high traffic, low latency, and easy integration.
Every project ships with a fully documented API, CI/CD pipeline, and monitoring dashboards. Typical timeline is 8-12 weeks, with fixed prices from $80K to $250K. We handle compliance like HIPAA, PCI-DSS, and SOC 2.
CTOs scaling their platform need a production-ready API without hiring a full team. Founders launching an MVP need a robust backend to support their mobile or web app. Enterprise architects modernizing legacy systems need a REST API that integrates with existing microservices.
Types of software we ship.
REST API for mobile backends
Build a backend API for iOS and Android apps. Uses Node.js, PostgreSQL, and Firebase Authentication for secure user management.
REST API for SaaS platforms
Create a multi-tenant REST API for your SaaS product. Includes Stripe billing, rate limiting, and Swagger documentation.
REST API for IoT devices
Develop a lightweight REST API for connected devices. Supports MQTT bridging, data ingestion from sensors, and real-time alerts via WebSockets.
REST API for payment gateways
Integrate a REST API for payment processing. Handles Stripe, PayPal, and Square with idempotency keys and webhook verification.
REST API for data aggregation
Aggregate data from multiple sources into a unified REST API. Uses ETL pipelines, Redis caching, and paginated responses.
REST API for internal tools
Build an API for internal dashboards and admin panels. Includes role-based access control, audit logs, and GraphQL compatibility.
REST API for third-party integrations
Create a public API for your platform customers. Supports OAuth 2.0, rate limiting, and versioned endpoints.
REST API for real-time apps
Develop a REST API with WebSocket support for chat, notifications, or live updates. Uses Socket.IO, Redis pub/sub, and horizontal scaling.
We build for every business type.
Fintech
Healthcare
E-commerce
Logistics
Media
Why choose an expert REST API development agency
IRPR has shipped 200+ APIs with 98% on-time delivery.
Our team of senior engineers builds APIs that handle millions of requests per day. We use tools like Postman, Swagger, and JMeter for testing and documentation.
Every API comes with automated CI/CD, error tracking with Sentry, and logs with Datadog. You get a production-ready system from day one.
How IRPR compares to generic development shops
Most agencies bill hourly and deliver late. IRPR offers fixed pricing and on-time delivery.
Generic shops start without a clear roadmap, leading to scope creep and missed deadlines.
IRPR uses a 4-phase process: Idea, Roadmap, Product, Release. You get a detailed roadmap in week 2 with a fixed quote.
- Hourly billing
- No fixed timeline
- Vague requirements
- Late delivery
- No documentation
- No handover
- Fixed price per project
- 12-week delivery guarantee
- Detailed roadmap in week 2
- Full API documentation with Swagger
- Source code ownership
- Ongoing support after launch
Our REST API development process
From idea to release in 12 weeks. Here's how.
Each project follows a proven 4-step process. You know exactly what you get and when.
What you get with every API project
Every deliverable is concrete and ownership is yours.
We don't just build an API. We ship a complete production system.
- Source code in your GitHub repo
- CI/CD pipeline (GitHub Actions)
- Sentry error tracking
- Datadog monitoring dashboard
- Swagger/OpenAPI documentation
- Postman collection for testing
- Unit and integration tests (Jest)
- Load test results (k6)
- Deployment scripts for AWS/Heroku
- 1 month of post-launch support
What we ship in this practice.
Payment API for fintech startup
Built a REST API for payment processing using Node.js, PostgreSQL, and Stripe. Reduced payment processing time by 40% and supported 10,000 transactions per minute.
REST API for telehealth platform
Developed a HIPAA-compliant API for video consultations. Used FastAPI, JWT, and Twilio. Enabled 500+ daily appointments with zero data breaches.
E-commerce product catalog API
Created a product catalog API for a multi-vendor marketplace. Used Express, MongoDB, and Redis. Handled 2 million product searches per day with 50ms latency.
API for logistics tracking
Built a RESTful API for real-time shipment tracking. Used Python, Flask, and Google Maps API. Reduced customer support tickets by 60% by providing self-service tracking.
Media content delivery API
Developed a content delivery API for a streaming platform. Used Django, PostgreSQL, and CDN integration. Reduced buffering by 30% and served 1 million API calls per hour.
SaaS analytics API
Designed a multi-tenant REST API for a business intelligence platform. Used Go, TimescaleDB, and Grafana. Enabled clients to query 100 million data points in under 2 seconds.
Why teams hire us.
Senior engineers only
Our team averages 10+ years of experience in backend development. Every API is built by engineers who have shipped production systems at scale.
Fixed price, no surprises
We give you a fixed quote during the Roadmap phase (week 2). No hourly billing, no scope creep charges.
12-week turnaround
We deliver MVPs in 8-12 weeks, not months. Our 98% on-time record means you ship on schedule.
Full documentation and testing
Every API ships with Swagger docs, Postman collections, and 90%+ test coverage. Your team can take over immediately.
Compliance built-in
We handle HIPAA, PCI-DSS, and SOC 2 compliance from day one. Our APIs pass security audits without rework.
Ownership is yours
You own all source code and infrastructure credentials. No lock-in, no license fees.
Idea → Roadmap → Product → Release.
Every engagement runs through the same four-stage pipeline. Predictable by design.
Questions clients ask first.
Related services and industries.
Ready to build? Let's talk.
30-minute discovery call. No deck. We'll tell you honestly what it takes, how long, and how much.