Expert REST API Development FirmREST API
We build production-grade REST APIs that handle millions of requests per day. Fixed price, 8-12 week delivery, full code ownership.
IRPR is an expert REST API development firm. We design and build REST APIs using Node.js, Python (FastAPI), Go, and Java (Spring Boot). Every API ships with OpenAPI 3.0 documentation, automated tests, and a CI/CD pipeline.
A typical REST API project takes 8-12 weeks from kickoff to production. Pricing starts at $80K and goes up to $250K depending on complexity. We handle HIPAA, PCI-DSS, and SOC 2 compliance for healthcare, fintech, and SaaS clients.
CTOs hire us when their in-house team lacks API expertise. Product owners hire us to build the backend for a new SaaS MVP. Enterprise architects hire us to replace legacy SOAP or monolithic APIs with modern RESTful services.
Types of software we ship.
REST API for SaaS platforms
Multi-tenant REST APIs with Stripe billing, user auth (Auth0), and rate limiting. Built for scale.
REST API for mobile apps
Backend APIs for iOS and Android apps. Push notifications via Firebase, offline sync, and pagination.
REST API for ecommerce
Product catalog, cart, checkout, and order management APIs. Integrates with Shopify, Magento, and custom stores.
REST API for healthcare
HIPAA-compliant APIs for EHR/EMR integration, patient portals, and telehealth. FHIR and HL7 support.
REST API for fintech
PCI-DSS compliant APIs for payments, KYC, and transaction processing. Plaid and Stripe integrations.
REST API for IoT
APIs that ingest sensor data via MQTT, store in TimescaleDB, and expose REST endpoints for dashboards.
REST API for real estate
MLS data APIs, property search, and lead management. Integrates with IDX and CRM platforms.
REST API for logistics
Shipment tracking, route optimization, and warehouse management APIs. Integrates with FedEx, UPS, and custom TMS.
We build for every business type.
SaaS companies
healthcare organizations
fintech companies
ecommerce brands
enterprise platforms
Why hire an expert REST API development firm
Building a production-grade REST API requires more than just routing HTTP requests.
IRPR has shipped over 200 products across 50 countries. Our APIs handle authentication, rate limiting, error handling, logging, monitoring, and documentation out of the box. We use OpenAPI 3.0 to generate client SDKs automatically.
Every API we build includes automated load testing with k6, continuous deployment via GitHub Actions, and real-time error tracking with Sentry. We guarantee 99.9% uptime with a defined SLA.
Generic dev shop vs expert REST API development firm
Not every agency can build a secure, scalable REST API. Here is the difference.
Generic dev shops treat APIs as an afterthought. They skip documentation, ignore rate limiting, and ship without monitoring. You end up with a fragile backend that breaks under load.
IRPR treats the API as the product. We design endpoints first, write OpenAPI specs before code, and build in security from day one. Every API ships with automated tests, CI/CD, and a monitoring dashboard.
- No OpenAPI documentation
- No rate limiting or throttling
- No automated load testing
- No CI/CD pipeline
- No error tracking
- No SLA for uptime
- OpenAPI 3.0 docs auto-generated
- Rate limiting with Redis and token bucket
- k6 load testing in CI pipeline
- GitHub Actions for continuous deployment
- Sentry error tracking and alerts
- 99.9% uptime SLA
How we build your REST API in 4 phases
Our process from idea to production takes 8-12 weeks.
Phase 1 is the Roadmap. In week 2, we deliver a fixed-price quote, a detailed API specification, and a timeline. You approve before any code is written.
Phase 2 is the Build. We develop the API in 2-week sprints. You see working endpoints every sprint. Phase 3 is the Release. We deploy to your cloud (AWS, GCP, or Azure) and run a 2-week production trial. Phase 4 is the Handoff. You get full source code, documentation, and a 30-day support window.
What ships with every REST API project
Every project includes these deliverables by default.
We do not cut corners. Every API ships with production-grade infrastructure and documentation. You own everything from day one.
- Source code in your private GitHub repo
- OpenAPI 3.0 specification (YAML/JSON)
- Postman collection with example requests
- CI/CD pipeline on GitHub Actions
- Automated unit and integration tests (80%+ coverage)
- k6 load testing scripts
- Sentry error tracking and performance monitoring
- Docker Compose for local development
- Deployment scripts for AWS, GCP, or Azure
- 30-day post-launch support and bug fixes
What we ship in this practice.
SaaS billing API for a subscription platform
Built a REST API that handles 50,000 subscription events per day. Integrated Stripe Billing, Auth0 for user management, and SendGrid for email notifications. Reduced billing errors by 95%.
HIPAA-compliant patient data API for a telehealth startup
Designed a REST API for patient intake, video visit scheduling, and EHR integration. Used FastAPI, PostgreSQL with encryption at rest, and AWS HealthLake. Passed HIPAA audit on first attempt.
Payment processing API for a fintech platform
Built a PCI-DSS Level 1 compliant REST API for card payments, ACH transfers, and KYC verification. Integrated Plaid for bank account linking and Stripe Connect for merchant onboarding. Processed $10M in transactions in month one.
Product catalog API for an ecommerce brand
Created a REST API that syncs product data across Shopify, Amazon, and a custom mobile app. Used Node.js, Redis for caching, and Elasticsearch for full-text search. Reduced product update time from 4 hours to 15 minutes.
MLS data API for a real estate platform
Developed a REST API that aggregates MLS listings from 50+ sources. Used Python, PostgreSQL with PostGIS for geospatial queries, and a custom caching layer. Reduced listing load time from 8 seconds to 200ms.
Shipment tracking API for a logistics company
Built a REST API that tracks 10,000 shipments daily across FedEx, UPS, and USPS. Used Go for high throughput, Redis for real-time status, and a webhook system for carrier updates. Reduced manual tracking effort by 80%.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges.
Full code ownership
You own the source code, documentation, and infrastructure from day one. No licensing fees, no lock-in, no recurring royalties.
Senior engineers only
Every engineer at IRPR has 10+ years of experience. No junior developers, no offshore teams, no handoffs between time zones.
Compliance built in
We build HIPAA, PCI-DSS, and SOC 2 compliant APIs by default. We handle audits, encryption, and access controls so you do not have to.
8-12 week delivery
We ship production-ready REST APIs in 8-12 weeks. Our process is optimized for speed without sacrificing quality or security.
Post-launch support
Every project includes 30 days of post-launch support. We fix bugs, answer questions, and help your team take over the codebase.
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.
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