Best Backend API Development FirmAPI Development
We build production-ready APIs that scale to millions of requests. Fixed pricing, senior engineers, 8-12 week delivery.
IRPR is the best backend API development firm for companies that need scalable, secure APIs. We use Node.js, Python, Go, and .NET to build REST, GraphQL, and gRPC APIs that handle millions of requests per day.
We ship your API in 8-12 weeks with a fixed price starting at $80K. Every project includes automated testing, CI/CD, and monitoring. We comply with HIPAA, PCI-DSS, and SOC 2.
CTOs hire us when their internal team is overloaded. Startup founders hire us to build the backend for their MVP. Enterprise architects hire us to modernize legacy APIs.
Types of software we ship.
RESTful API
Stateless, resource-oriented APIs using HTTP methods. Built with Express.js or FastAPI. Ideal for CRUD-heavy applications.
GraphQL API
Flexible query language for frontend-driven data fetching. Uses Apollo Server or Hasura. Reduces over-fetching by 40% on average.
Microservices API
Decoupled services communicating via gRPC or message queues. Deployed with Docker and Kubernetes. Supports independent scaling.
WebSocket API
Real-time bidirectional communication for chat, live updates, and streaming. Built with Socket.io or AWS API Gateway WebSockets.
Serverless API
Event-driven functions on AWS Lambda or Cloudflare Workers. Auto-scales from 0 to thousands of requests. Pay-per-execution pricing.
API Gateway
Centralized entry point for routing, authentication, and rate limiting. Uses Kong or AWS API Gateway. Handles 10,000+ requests per second.
Third-party API Integration
Connect your app to Stripe, Salesforce, HubSpot, or custom endpoints. Handles OAuth, webhooks, and error retries with exponential backoff.
Internal API
Private APIs for microservice-to-microservice or B2B communication. Secured with mTLS, JWT, or API keys. Logged and monitored with Datadog.
We build for every business type.
SaaS Companies
Fintech Companies
Healthcare Organizations
Ecommerce Brands
Media & Entertainment
Why IRPR is the Best Backend API Development Firm
We have shipped over 200 APIs for clients in 50+ countries, delivering on time 98% of the time.
Our engineers average 10+ years of experience building production APIs. We use TypeScript, Go, and Rust for performance-critical endpoints. Every API includes automated load testing and 99.9% uptime SLAs.
We start with a 2-week Roadmap phase where we define the data model, endpoints, and integration points. You get a fixed price and timeline before any code is written. No surprises.
The Difference Between IRPR and Generic Dev Shops
Most agencies treat your API as a side project. We treat it as the core of your product.
Generic shops often assign junior developers who learn on your dime. They use hourly billing that rewards slow work. Their APIs lack monitoring, documentation, and proper error handling.
IRPR assigns senior engineers only. We deliver a documented, tested, and monitored API on a fixed price. You get a Postman collection, Swagger docs, and a Grafana dashboard out of the box.
- Junior developers with 1-2 years experience
- Hourly billing with no cap
- No automated tests or CI/CD
- API documentation is an afterthought
- No monitoring or alerting
- Code ownership is unclear
- Senior engineers with 10+ years each
- Fixed price agreed in week 2
- Automated test suite with 90%+ coverage
- Swagger/OpenAPI docs generated automatically
- Grafana + Sentry monitoring from day one
- Full source code ownership transferred
How We Build Your Backend API in 8-12 Weeks
Our process is designed to de-risk development and deliver a production-ready API fast.
We follow a four-phase approach: Idea, Roadmap, Product, Release. Each phase has clear deliverables and a go/no-go decision point.
You are involved in weekly demos and can adjust priorities as we go. No black box development.
What Ships With Every Backend API Project
You don't just get code. You get a complete production system.
Every project includes infrastructure as code, CI/CD pipelines, and monitoring dashboards. You can deploy to your own AWS/GCP/Azure account.
- Source code in your private GitHub/GitLab repo
- CI/CD pipeline with GitHub Actions or GitLab CI
- Automated test suite (unit, integration, load)
- Swagger/OpenAPI documentation
- Postman collection for manual testing
- Docker Compose for local development
- Terraform or Pulumi scripts for cloud infrastructure
- Grafana dashboard with API metrics
- Sentry error tracking with alerting
- 30-day post-launch support and bug fixes
What we ship in this practice.
Payment Processing API for Fintech Startup
Built a PCI-DSS compliant API handling 10,000 transactions per minute. Integrated with Stripe and Plaid. Reduced failed payments by 15%. Tech stack: Node.js, PostgreSQL, Redis, AWS ECS.
Patient Data Exchange API for Telehealth Platform
Developed a HIPAA-compliant FHIR API connecting 50 clinics. Enabled real-time lab result retrieval. Cut data entry time by 8 hours per week per clinic. Tech stack: Python FastAPI, PostgreSQL, AWS Lambda.
Order Management API for Ecommerce Brand
Created a RESTful API syncing orders across Shopify, Amazon, and warehouse systems. Handled 500,000 orders per month with 99.99% uptime. Tech stack: Go, MongoDB, RabbitMQ, Kubernetes.
Recommendation Engine API for Media Platform
Built a GraphQL API serving personalized content recommendations to 2 million users. Reduced churn by 12% in 3 months. Tech stack: Node.js, Elasticsearch, Redis, AWS AppSync.
Fleet Tracking API for Logistics Company
Developed a WebSocket API for real-time GPS tracking of 1,000 vehicles. Integrated with Google Maps and custom routing algorithms. Improved delivery ETA accuracy by 30%. Tech stack: Python, Kafka, TimescaleDB, Docker.
Subscription Billing API for SaaS Platform
Created a microservices API for usage-based billing with Stripe. Supported 50,000 active subscribers with daily invoice generation. Reduced billing errors to near zero. Tech stack: Node.js, PostgreSQL, NATS, AWS Fargate.
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. You know the cost before we write a line of code.
Senior Engineers Only
Our team averages 10+ years of experience. No juniors, no offshore contractors. Every engineer has shipped production APIs for companies like Stripe, Uber, and Shopify.
8-12 Week Delivery
We deliver a production-ready API in 8-12 weeks. 98% of our projects ship on time. You get a working API, not a prototype.
Full Code Ownership
You own 100% of the source code, documentation, and infrastructure scripts. We transfer everything to your GitHub and cloud accounts. No licensing fees or vendor lock-in.
Post-Launch Support Included
Every project comes with 30 days of post-launch support. We fix bugs, answer questions, and help your team take over. Extended support contracts available at $5K/month.
Compliance Built In
We build HIPAA, PCI-DSS, and SOC 2 compliant APIs by default. Our infrastructure uses encryption at rest and in transit, audit logging, and role-based access control.
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.