Professional Node.js API Development FirmAPI Development
We build secure, high-performance RESTful APIs and microservices for enterprise clients. 200+ products shipped, fixed pricing from $80K.
IRPR is a professional Node.js API development firm that builds custom REST APIs, GraphQL APIs, and microservices using Node.js, Express, Fastify, and NestJS. Our APIs handle authentication, real-time data, and third-party integrations with Stripe, Salesforce, and Twilio.
We ship production-ready APIs in 8-12 weeks with fixed pricing from $80K to $250K. Every API meets SOC 2, HIPAA, or PCI-DSS compliance standards as required by your industry.
We work with CTOs at Series A startups who need a scalable backend, VP of Engineering at fintech companies replacing legacy APIs, and product managers at healthcare platforms integrating with EHR systems. We also partner with SaaS founders building multi-tenant APIs.
Types of software we ship.
RESTful API Development
Building resource-oriented APIs with Node.js and Express. Handles CRUD operations, authentication, rate limiting, and versioning.
GraphQL API Development
Schema-first GraphQL APIs using Apollo Server. Enables flexible client queries and real-time subscriptions.
Microservices Architecture
Decomposing monoliths into Node.js microservices with Docker, Kubernetes, and message queues like RabbitMQ.
Real-time API (WebSocket)
WebSocket-based APIs using Socket.IO or native WebSockets for live updates, chat, notifications, and streaming.
Third-party API Integration
Connecting your app to Stripe, Salesforce, Twilio, or HubSpot with robust error handling, retry logic, and rate limiting.
Payment API Development
Secure payment APIs using Stripe, Square, or Braintree with PCI-DSS compliance and idempotency keys.
Data API / ETL API
Building APIs to extract, transform, and load data between systems using Node.js streams and AWS Glue.
Authentication API
OAuth2, JWT, and SSO APIs using Auth0 or Okta for secure identity management and user federation.
We build for every business type.
Fintech
Healthcare
Ecommerce
SaaS
Logistics
Why you need a professional Node.js API development firm
Your API is the backbone of your product. Get it right from day one.
We have built over 200 APIs for clients in 50 countries. Our APIs handle millions of requests per day with 99.9% uptime and response times under 50ms.
Starting with our Roadmap phase, we define the API contract, data model, and security requirements before writing code. This eliminates rework and ensures your API scales from day one.
The difference between generic dev shops and a professional Node.js API development firm
Not all API development is equal. Here's how IRPR differs.
Most dev shops start coding immediately without a clear API contract. This leads to scope creep, security gaps, and hidden costs.
IRPR begins with a Roadmap phase that produces a detailed API specification, risk assessment, and fixed price. You approve it before we write a single line of code.
- No API contract upfront
- Hourly billing, no price guarantee
- No security compliance review
- Unclear ownership of code
- No monitoring or error tracking
- One contact, limited availability
- Detailed API spec in Roadmap (week 2)
- Fixed price, not hourly
- SOC 2 / HIPAA / PCI-DSS review
- Full source code ownership
- Sentry + CloudWatch monitoring
- Dedicated team, async-first communication
How we build your Node.js API
Our four-phase process ensures a production-ready API.
We use the Idea-Roadmap-Product-Release framework. In the Idea phase, we align on business goals and define every endpoint.
In Release, we deploy to your AWS account, set up monitoring with Sentry, and hand over the full codebase with documentation.
What you get when you hire IRPR
More than just code. A production-ready system that your team can maintain.
- Source code in your private GitHub repository
- RESTful or GraphQL API specification (OpenAPI / Postman)
- Authentication and authorization (JWT, OAuth2)
- Rate limiting and request validation
- Error handling with structured error responses
- CI/CD pipeline with GitHub Actions and AWS CodeDeploy
- API documentation (Swagger UI or similar)
- Postman collection for testing
- Sentry error tracking and Datadog monitoring dashboards
- One-year warranty on production defects
What we ship in this practice.
Payment Processing API for Fintech Startup
Built a PCI-DSS compliant API handling 10,000 transactions per day using Node.js, Express, Stripe, and PostgreSQL. Reduced payment failure rate by 40%.
Patient Data API for Telemedicine Platform
Created a HIPAA-compliant API for video visit scheduling and EHR sync using Node.js, Socket.IO, and AWS Lambda. Cut appointment entry time by 15 minutes per patient.
Product Catalog API for Ecommerce
Developed a GraphQL API for 50,000 SKU catalog with Elasticsearch search. Improved product search response time from 3s to 200ms.
Real-time Analytics API for SaaS
Built a WebSocket API streaming user events to dashboard using Node.js and Redis. Enabled live tracking of 1 million events per day.
MLS Data API for Real Estate Platform
Integrated multiple MLS feeds into a unified REST API with Node.js and MongoDB. Reduced property data refresh time from hours to minutes.
Student Records API for EdTech
Developed a FERPA-compliant API for grade management and attendance using Node.js, GraphQL, and Auth0. Eliminated manual data entry by 20 hours per week.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote after the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges.
Full source code ownership
You own 100% of the code from day one. No proprietary frameworks, no licensing fees, no long-term lock-in.
Enterprise compliance built in
We review your API against SOC 2, HIPAA, PCI-DSS, or FERPA requirements during the Roadmap phase. 70% of our projects require at least one compliance standard.
Senior engineers only
Our team consists of senior Node.js engineers with an average of 8 years of experience. No junior developers assigned to your project.
We ship in 8-12 weeks
From kickoff to production deployment in 8-12 weeks. 98% of our projects deliver on time, per our internal tracking.
Post-release support and warranty
We provide a one-year warranty on all production defects. You also get 30 days of post-release support for knowledge transfer.
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.