Experienced API Development FirmAPI Development
We build production-grade APIs for SaaS platforms, fintech apps, and healthcare systems. Ship your MVP in 8-12 weeks with a fixed price.
IRPR is an experienced API development firm that builds REST, GraphQL, and gRPC APIs for web and mobile apps. We use Node.js, Go, Python, and Postgres to deliver scalable endpoints.
Every API project ships in 8-12 weeks with a fixed price between $80K and $250K. We handle compliance for HIPAA, PCI-DSS, SOC 2, and GDPR.
CTOs scaling their platform, product managers launching a new feature, and founders building a SaaS MVP hire us to design, build, and deploy APIs they can trust.
Types of software we ship.
REST API Development
Build stateless RESTful APIs with OpenAPI specs, rate limiting, and OAuth2 authentication.
GraphQL API Development
Design GraphQL schemas with Apollo Server, resolver caching, and subscription support.
Microservices API Gateway
Deploy Kong or Envoy gateways for service discovery, load balancing, and authentication.
Third-Party API Integration
Connect Salesforce, Stripe, HubSpot, or custom SOAP endpoints with retry logic and error handling.
Real-Time API (WebSocket)
Build WebSocket APIs with Socket.io or AWS API Gateway WebSockets for live data streaming.
Internal API (B2B)
Create private APIs for partner integrations with API keys, usage quotas, and audit logs.
API Security & Compliance
Implement OAuth2, JWT, API key rotation, and penetration testing for HIPAA/PCI compliance.
API Documentation & SDK
Generate interactive docs with Swagger/OpenAPI and client SDKs for Python, JavaScript, and Java.
We build for every business type.
SaaS platforms
Fintech
Healthcare
Ecommerce
Enterprise
Why hire an experienced API development firm?
IRPR has shipped over 200 API-driven products across 50+ countries.
Our team of senior engineers builds APIs that handle millions of requests per day. We focus on security, performance, and documentation from day one.
Every API we deliver includes automated testing, CI/CD pipelines, and monitoring dashboards. You get a production-ready system, not just code.
Generic dev shop vs IRPR
Not all API development teams deliver the same quality.
Many agencies treat API development as a side task. They skip security reviews, avoid documentation, and bill by the hour.
IRPR treats APIs as first-class products. We build them with security, monitoring, and documentation built in from the start.
- No API security review
- Hourly billing with scope creep
- No documentation standard
- Single developer bottleneck
- No CI/CD for APIs
- No post-launch monitoring
- Built-in OAuth2 and JWT security
- Fixed price from week 2
- OpenAPI docs auto-generated
- Senior engineers only
- GitHub Actions CI/CD pipeline
- Sentry and Datadog monitoring
Our API development process
We follow a 4-phase approach to ship APIs on time.
Each phase has clear deliverables and checkpoints. This keeps the project predictable and transparent.
You see progress every two weeks with working endpoints, not just status reports.
What ships with your API
Every API project includes these deliverables.
We don't just hand over code. You get a complete system ready for production.
- Source code in your GitHub repo
- OpenAPI 3.0 specification
- CI/CD pipeline with GitHub Actions
- Unit and integration tests (90%+ coverage)
- API documentation hosted on SwaggerHub
- Rate limiting and throttling configuration
- OAuth2 or API key authentication
- Postman collection for testing
- Sentry error tracking setup
- Datadog monitoring dashboards
What we ship in this practice.
Payment Processing API for Fintech Startup
Built a PCI-compliant payment API that processed $10M in transactions in the first quarter. Tech: Node.js, Express, Stripe, PostgreSQL, AWS Lambda.
Patient Data API for Telehealth Platform
Designed a FHIR-compliant API that reduced patient data retrieval time by 60%. Tech: Python, Django, PostgreSQL, HL7 FHIR, Azure.
Product Catalog API for Ecommerce Brand
Developed a REST API serving 500K product SKUs with sub-100ms response times. Tech: Go, Redis, PostgreSQL, Elasticsearch, AWS.
Real-Time Analytics API for SaaS Dashboard
Created a WebSocket API streaming 10K events per second with 99.9% uptime. Tech: Node.js, Socket.io, Redis, InfluxDB, Docker.
CRM Integration API for Real Estate Platform
Built a two-way sync API with Salesforce that eliminated manual data entry for 200 agents. Tech: Python, Flask, Salesforce REST API, Celery, PostgreSQL.
Identity and Access Management API for Enterprise
Implemented OAuth2 and SAML-based API serving 50K users across 10 departments. Tech: Go, Auth0, PostgreSQL, Kong, Kubernetes.
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 consists of engineers with 10+ years of experience each. No junior developers, no offshore handoffs.
API security built in
We implement OAuth2, JWT, API key rotation, and rate limiting by default. Every API passes a security audit before launch.
OpenAPI documentation
We auto-generate OpenAPI 3.0 specs for every endpoint. Your team gets interactive docs on SwaggerHub from day one.
Post-launch monitoring
We set up Datadog dashboards and Sentry error tracking for every API. You get real-time alerts on performance and errors.
Compliance ready
We have built HIPAA-compliant, PCI-DSS, and SOC 2 APIs. Our process includes data encryption, access controls, and audit logs.
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.