Hire API Development DevelopersAPI Development
We build custom APIs that connect your systems. 200+ products shipped with fixed pricing and 8-12 week timelines.
IRPR builds custom APIs for web apps, mobile backends, and third-party integrations. We use Node.js, Python, Go, and Postgres to design RESTful and GraphQL endpoints that handle thousands of requests per second.
Every API project ships in 8-12 weeks with a fixed price between $80K and $250K. We handle authentication (OAuth 2.0, JWT), rate limiting, documentation (OpenAPI/Swagger), and compliance like HIPAA or PCI-DSS.
CTOs hire us to replace legacy monolithic APIs. Product managers hire us to build a new API layer for their SaaS. Startup founders hire us to ship a production-ready API in under 3 months.
Types of software we ship.
REST API Development
Build stateless RESTful APIs with Node.js or Python. Includes OpenAPI docs, pagination, and error handling.
GraphQL API Development
Design GraphQL schemas with Apollo or Relay. Single endpoint, flexible queries, and real-time subscriptions.
Microservices API Architecture
Decompose monoliths into microservices with Docker, Kubernetes, and message queues like RabbitMQ.
Third-Party API Integration
Connect your app to Stripe, Salesforce, HubSpot, or Twilio. Handle webhooks, retries, and rate limits.
API Gateway Development
Build a single entry point for multiple services using Kong or AWS API Gateway. Add auth, logging, and throttling.
Real-Time API (WebSocket)
Implement WebSocket or Server-Sent Events for live data. Used in chat apps, dashboards, and IoT systems.
Internal API for SaaS Products
Create private APIs for your own frontend or mobile app. Includes versioning, caching with Redis, and monitoring.
Public API for Developer Platforms
Launch a public API with developer portal, API keys, usage analytics, and SDK generation.
We build for every business type.
SaaS companies
Fintech and banking
Healthcare and life sciences
Ecommerce and retail
Logistics and transportation
Why Hire API Development Developers from IRPR
We have shipped over 200 API projects across 50 countries with a 98% on-time delivery rate.
Our developers have built APIs for healthcare (HIPAA), fintech (PCI-DSS), and SaaS (SOC 2) clients. Each API includes automated testing, CI/CD pipelines, and monitoring with Datadog or Sentry.
We use a fixed-price model so you know the cost upfront. The Roadmap phase (week 2) defines every endpoint, data model, and integration. No surprises.
Generic Dev Shop vs IRPR: API Development
Most agencies bill hourly and deliver incomplete APIs. IRPR gives you a fixed price and a production-ready API.
Generic shops often skip documentation, leave out error handling, and hand over code with no tests. You end up paying more for fixes later.
IRPR delivers a documented, tested, and deployed API with monitoring from day one. You own the code and can extend it yourself.
- Hourly billing with no cap
- No API documentation
- No automated tests
- No CI/CD pipeline
- No monitoring or error tracking
- Code ownership unclear
- Fixed price from Roadmap phase
- OpenAPI/Swagger docs included
- Unit and integration tests
- GitHub Actions CI/CD
- Sentry and Datadog monitoring
- Full code ownership
Our API Development Process
We follow a 4-phase process: Idea, Roadmap, Product, Release.
In the Idea phase we define your goals and constraints. The Roadmap phase produces a detailed spec with every endpoint, data model, and integration point.
The Product phase builds the API in 2-week sprints with demos. The Release phase deploys to production with monitoring and documentation.
What Ships with Every API Project
Every API project includes these deliverables by default.
You get a production-ready API with documentation, tests, and monitoring. No hidden extras.
- Source code in your private GitHub repo
- OpenAPI/Swagger documentation
- Unit tests with 90%+ coverage
- Integration tests for all endpoints
- CI/CD pipeline on GitHub Actions
- Docker containerization
- Sentry error tracking
- Datadog performance monitoring
- Rate limiting and authentication (OAuth 2.0 or JWT)
- Deployment guide and runbook
What we ship in this practice.
Payment Gateway API for Fintech Startup
Built a REST API that processes 10,000+ transactions per day with PCI-DSS compliance. Integrated with Stripe and Plaid. Reduced payment failure rate by 15%. Tech stack: Node.js, PostgreSQL, Redis, Stripe API.
Patient Data API for Telemedicine Platform
Developed a HIPAA-compliant GraphQL API for patient records, appointments, and billing. Handles 50,000+ requests daily with sub-200ms response times. Tech stack: Python, FastAPI, PostgreSQL, FHIR.
Inventory Sync API for Ecommerce Brand
Created a real-time inventory API that syncs stock levels across Shopify, Amazon, and a warehouse system. Reduced overselling by 90%. Tech stack: Node.js, WebSocket, MongoDB, Shopify API.
CRM Integration API for SaaS Platform
Built a public API that lets customers sync contacts and deals from Salesforce and HubSpot. Onboarded 200+ customers in the first quarter. Tech stack: Go, PostgreSQL, OAuth 2.0, Salesforce REST API.
Real-Time Tracking API for Logistics Company
Developed a WebSocket API that streams GPS data from 500+ delivery vehicles. Reduced customer support calls by 40%. Tech stack: Node.js, Socket.io, Redis, Google Maps API.
Content Delivery API for Media Platform
Created a GraphQL API that serves personalized content to 1 million+ users. Reduced page load time by 60%. Tech stack: Apollo Server, PostgreSQL, Elasticsearch, CloudFront.
Why teams hire us.
Fixed price, not hourly
Every API project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges.
Senior engineers only
Our team averages 10+ years of experience. Every developer has shipped production APIs for companies like Stripe, Twilio, and Salesforce.
8-12 week delivery
We ship a production-ready API in 8-12 weeks. Our process is optimized for speed without cutting corners on testing or documentation.
Full code ownership
You own every line of code. No licensing fees, no vendor lock-in. The source code is in your repository from day one.
Compliance built in
We build HIPAA, PCI-DSS, and SOC 2 compliant APIs. Our team has passed audits for healthcare and fintech clients.
Post-launch support
We provide 30 days of post-launch support for bug fixes and minor changes. Extended maintenance contracts are available.
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.