Professional Node.js API Development AgencyAPI Development
Hire a professional node.js api development agency that ships in 12 weeks. We have built over 200 APIs for clients in 50 countries.
IRPR builds custom Node.js APIs for web apps, mobile backends, and third-party integrations. We use Express.js, Fastify, or NestJS with TypeScript, connected to PostgreSQL, MongoDB, or Redis.
Each project ships with source code, CI/CD pipeline, Docker containers, and API documentation. Delivery takes 8-12 weeks for most APIs. Fixed pricing starts at $80K and reaches $250K for complex systems. We comply with HIPAA, PCI-DSS, SOC 2, and FERPA as needed.
Founders building a SaaS product need a scalable API from day one. Enterprise teams migrating from legacy systems need a modern microservices gateway. Product managers launching a mobile app need a fast backend with Stripe and Auth0 integration. CTOs offloading API development to focus on core product.
Types of software we ship.
REST API Development
Standard RESTful APIs using Express.js with full CRUD, pagination, rate limiting, and OpenAPI documentation.
GraphQL API Development
GraphQL APIs with Apollo Server, resolvers, subscriptions, and schema stitching for complex data needs.
Microservices API Gateway
Distributed microservices architecture using Node.js, Docker, and Kubernetes with API gateway Kong.
Real-time API (WebSocket)
Real-time APIs with Socket.io, Redis pub/sub, and message queues for chat, live updates, and streaming.
Third-party API Integration
Connect SaaS tools like Salesforce, HubSpot, Shopify, or custom REST/SOAP endpoints with secure OAuth2 flows.
Internal API (Backend for Frontend)
BFF pattern APIs tailored to specific frontends (React, Vue, mobile) to reduce network overhead.
Serverless API (AWS Lambda)
Serverless Node.js APIs using AWS Lambda, API Gateway, DynamoDB, and CloudFormation for auto-scaling.
Mobile Backend API
REST and GraphQL backends for mobile apps with push notifications (Firebase), offline sync, and Stripe payments.
We build for every business type.
Healthcare
Fintech
Ecommerce
Enterprise
SaaS
Why choose IRPR for Node.js API development?
We have a track record of delivering reliable, scalable APIs on time.
IRPR has shipped over 200 products since 2016, with a 98% on-time delivery rate. Our engineers average 10+ years of experience in Node.js, TypeScript, and cloud infrastructure.
We build APIs that handle millions of requests per day. Every project includes automated load testing, security scanning, and monitoring from day one.
IRPR vs generic dev shops
Most agencies deliver code that needs rewriting. We deliver production-ready APIs.
Generic shops often skip documentation, testing, and deployment automation. You inherit technical debt that costs more to fix later.
IRPR treats every API as a product. We ship with CI/CD, monitoring, and full documentation so your team can maintain it from day one.
- No API documentation
- No CI/CD setup
- No performance testing
- No security audits
- No post-launch support
- Vague timelines
- Auto-generated OpenAPI docs
- CI/CD pipeline from day one
- Load tested at 10K req/s
- OWASP top 10 compliance
- 2 weeks free support
- Fixed 12-week delivery
Our API development process
From idea to deployment in 12 weeks.
Every project follows a structured process that de-risks your investment. We start with a fixed-price roadmap to define endpoints, data models, and integrations.
During the build phase we develop with automated tests and continuous deployment. Integration and load testing ensure the API is ready for production traffic.
What's included in every API project
No surprises. Every item below is in the contract.
- Source code in private GitHub repo
- TypeScript + ESLint + Prettier configuration
- CI/CD pipeline with GitHub Actions
- Docker Compose for local development
- API documentation (OpenAPI/Swagger)
- Postman collection for testing
- Deployment scripts (AWS, GCP, or Vercel)
- Sentry error monitoring
- Logfire logging service
- 24/7 production monitoring (Grafana/Prometheus)
What we ship in this practice.
Real-time chat API for a telemedicine app
Built a WebSocket API using Socket.io and Redis for a telemedicine startup. Reduced message delivery latency to under 100ms. Handles 50,000 concurrent connections.
Payment processing API for a fintech platform
Developed a PCI-DSS compliant payment API using Stripe and Express.js. Processed over $10M in transactions in the first month.
Inventory management API for an ecommerce brand
Created RESTful API with NestJS and PostgreSQL for a multi-store inventory system. Cut reconciliation time from 4 hours to 15 minutes per day.
User management API for a SaaS product
Built a microservice for authentication and profile management using Auth0 and Node.js. Achieved 99.99% uptime over 6 months.
Data aggregation API for a real estate platform
Designed a GraphQL API aggregating MLS data from 12 sources. Reduced query complexity by 60% and cut page load time by 2 seconds.
Content delivery API for a media streaming platform
Implemented a streaming API with HLS and Node.js. Served 10 TB of video data monthly with 99.9% uptime and sub-2 second start time.
Why teams hire us.
Fixed price, not hourly
Every API project gets a fixed quote after the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges.
12-week delivery guarantee
We structure every project to ship a production-ready API in 8-12 weeks. Over 98% of our projects finish on time or early.
Senior engineers only
Our team consists of senior Node.js engineers with 10+ years average experience. No juniors, no offshore markup, no handoffs.
Production-ready from day one
Every API ships with CI/CD, monitoring, and documentation. We do not deliver unmaintainable code or require rewrites.
Full code ownership
You own all source code and intellectual property. No licensing fees, no vendor lock-in, no restrictions on future use.
Compliance built-in
We can build HIPAA, PCI-DSS, SOC 2, and FERPA compliant APIs. We have delivered compliant systems for healthcare and fintech clients.
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.