Senior API Development AgencyAPI Development
We build production-grade APIs for 50+ countries. Fixed price, 8-12 week delivery, no surprises.
IRPR builds REST, GraphQL, and gRPC APIs for web and mobile backends. We use Node.js, Python, Go, and Java with PostgreSQL, MongoDB, and Redis.
We ship production-ready APIs with CI/CD pipelines, automated testing, and monitoring. Timeline is 8-12 weeks for most API projects. Prices range from $80K to $250K depending on complexity. We comply with HIPAA, PCI-DSS, SOC 2, and FERPA.
Startups hire us to build their core API before Series A. Enterprise teams hire us to replace legacy integration layers. SaaS companies hire us to add API monetization. Fintech and healthcare companies hire us for compliant API development.
Types of software we ship.
REST API Development
Build scalable RESTful APIs for web and mobile apps. We use Express.js, FastAPI, or Spring Boot with OpenAPI specs.
GraphQL API Development
Implement flexible GraphQL APIs with Apollo Server or Hasura. Clients get efficient data fetching and real-time subscriptions.
Microservice API Gateway
Design and deploy API gateways using Kong, Envoy, or AWS API Gateway. We handle rate limiting, auth, and routing.
Third-Party API Integration
Integrate with Stripe, Twilio, Salesforce, HubSpot, and 200+ third-party APIs. We handle auth, webhooks, and error handling.
Internal API Development
Build private APIs for internal tools and microservices. We use gRPC for high performance and Protobuf for type safety.
API Security Audit and Hardening
Audit existing APIs for OWASP Top 10, rate limiting, and authentication. We implement JWT, OAuth2, and API keys.
API Documentation and SDK Generation
Generate interactive API docs with Swagger/OpenAPI and client SDKs in TypeScript, Python, and Java.
Real-Time API (WebSocket) Development
Build real-time APIs with WebSocket, Socket.IO, or Server-Sent Events for live dashboards and chat apps.
We build for every business type.
Healthcare
Fintech
Ecommerce
SaaS
Real Estate
Why hire a senior API development agency?
IRPR delivers API projects on time and on budget.
Generic dev shops often deliver incomplete APIs with poor documentation and no monitoring. IRPR ships production-ready APIs with CI/CD, automated tests, and 99.9% uptime.
Our senior engineers have built APIs for 200+ products across 50+ countries. We write clean, maintainable code and provide full documentation.
The difference between IRPR and generic dev shops
Most agencies promise, few deliver. Here is the real difference.
Generic dev shops use hourly billing and junior developers. They skip QA and monitoring. You end up with buggy APIs and surprise invoices.
IRPR assigns senior engineers, uses fixed pricing, and includes QA, CI/CD, and monitoring in every project. You get a reliable API that is ready for production.
- Hourly billing that blows budgets
- Junior developers learning on your project
- No dedicated QA engineer
- No CI/CD pipeline setup
- No post-launch monitoring
- No compliance expertise
- Fixed price from day one
- Senior engineers with 10+ years experience
- Dedicated QA engineer on every project
- CI/CD pipeline with GitHub Actions and Sentry
- 24/7 monitoring with Datadog and PagerDuty
- HIPAA, PCI-DSS, SOC 2 expertise built in
Our API development process in 4 phases
From idea to production in 8-12 weeks.
We use a structured process to eliminate risk and ensure on-time delivery. Each phase ends with a deliverable you can review and approve.
You stay in control while we handle the engineering. No black boxes, no surprises.
What ships with every API project
Everything you need to run and maintain your API.
We dont just hand over code. You get a complete system with documentation, tests, and infrastructure.
- Source code in your GitHub repo
- OpenAPI 3.0 specification
- CI/CD pipeline with GitHub Actions
- Automated unit and integration tests (80%+ coverage)
- Dockerized development environment
- API documentation hosted on Swagger UI
- Error tracking with Sentry
- Logging with Datadog or ELK stack
- Rate limiting and API key authentication
- Post-launch support for 30 days
What we ship in this practice.
Telemedicine API for a health startup
Built a HIPAA-compliant REST API for video consultations and EHR integration. Reduced patient wait times by 40%. Stack: Node.js, PostgreSQL, Twilio Video, AWS.
Payment gateway API for a fintech company
Developed a PCI-DSS compliant API for credit card processing and subscription billing. Processed $10M in transactions in first month. Stack: Go, PostgreSQL, Stripe, AWS.
Product catalog API for an ecommerce brand
Created a GraphQL API for product search, inventory, and pricing. Cut page load time by 60%. Stack: Apollo Server, MongoDB, Redis, Next.js.
Loan origination API for a lending platform
Built a REST API for application submission, credit checks, and document uploads. Automated 80% of manual underwriting. Stack: Python, FastAPI, PostgreSQL, Plaid.
Real-time analytics API for a SaaS startup
Designed a WebSocket API for live dashboards and event streaming. Handled 10K concurrent connections with 99.9% uptime. Stack: Node.js, Socket.IO, Redis, AWS.
MLS data API for a real estate platform
Integrated with 20+ MLS providers to unify property listings. Reduced data sync time from 24 hours to 15 minutes. Stack: Python, Django, PostgreSQL, Celery.
Why teams hire us.
Fixed price, not hourly
Every API project gets a fixed quote after the Roadmap phase. No hourly billing, no surprise invoices, no scope creep charges.
Senior engineers only
Every developer on your project has 10+ years experience. No junior developers, no offshore teams, no learning on your dime.
Production-ready from day one
We ship APIs with CI/CD, monitoring, and automated tests. Your API is ready for production traffic the moment we hand it over.
Compliance built in
We build HIPAA, PCI-DSS, and SOC 2 compliant APIs by default. No costly retrofitting after launch.
8-12 week delivery
Most API projects ship in 8-12 weeks. We have a 98% on-time delivery rate across 200+ products.
Post-launch support included
Every project includes 30 days of post-launch support. We monitor, fix bugs, and help your team take over.
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.