API Development Firm That ShipsDevelopment Firm
We build APIs that move your data fast. Partner with an API development firm that delivers in weeks, not months.
IRPR is an API development firm that builds custom APIs using Node.js, Python, Go, and Typescript. We design RESTful, GraphQL, WebSocket, and gRPC endpoints that integrate with your existing stack.
Every API project ships in 12-14 weeks with fixed pricing from $80K to $250K. We handle HIPAA, PCI-DSS, and SOC 2 compliance out of the box. Documentation and tests are included in every delivery.
Startups need a scalable API for their MVP. Mid-market companies migrate monoliths to microservices. Enterprise teams require third-party integrations and dedicated API squads. Product managers want a partner that ships on time.
Types of software we ship.
REST API Development
Build RESTful APIs with Node.js or Python. Includes OpenAPI 3.0 specs, rate limiting, and JWT authentication.
GraphQL API Development
Design GraphQL schemas using Apollo Server or Relay. Enables efficient data fetching for React and mobile clients.
WebSocket API Development
Real-time bidirectional communication with Socket.io or AWS WebSocket. Used for chat, live dashboards, and IoT data streams.
gRPC API Development
High-performance gRPC endpoints with Protocol Buffers. Ideal for microservices and low-latency internal services.
Third-Party API Integration
Connect your app to Stripe, Salesforce, HubSpot, or Twilio. We build adapters and handle rate limits and error retries.
API Gateway Development
Deploy API gateways using Kong or AWS API Gateway. Manage routing, authentication, throttling, and logging in one place.
API Documentation Portal
Generate interactive docs with Swagger UI or Redoc. Includes Postman collections and SDK snippets for popular languages.
API Microservices Architecture
Break monoliths into independent microservices with Docker and Kubernetes. Each service has its own CI/CD pipeline and database.
We build for every business type.
Startups and SaaS
Ecommerce and Retail
Healthcare and Life Sciences
Fintech and Financial Services
Enterprise and B2B
Why Hire an API Development Firm?
Building APIs in-house takes time you may not have. An experienced firm saves months of trial and error.
IRPR has shipped 200+ APIs for clients in 50 countries. Our team of senior engineers writes OpenAPI specs before writing code, so every endpoint is documented from day one.
We follow a fixed-price model. You know the cost after the Roadmap phase (week 2). No hourly surprises. Every API includes automated tests, a CI/CD pipeline, and a monitoring dashboard.
The Difference Between Generic Shops and a True API Development Firm
Not all development shops treat APIs as first-class products. Here is what sets IRPR apart.
Many agencies treat APIs as an afterthought. They write code directly, skip documentation, and pass tech debt to your team. IRPR treats each API as a standalone product with specs, tests, and a deployment playbook.
We assign a dedicated project manager and a senior engineer from day one. You get a 2-week Roadmap with wireframes, ERDs, and a fixed price before any code is written.
- Bills by the hour
- No written API spec
- Documentation is optional
- Manual deployment
- No monitoring setup
- Code ownership unclear
- Fixed price from the Roadmap
- OpenAPI 3.0 spec before coding
- Auto-generated docs with Swagger
- CI/CD pipeline on GitHub Actions
- Sentry + DataDog monitoring
- Source code in your repo from day one
Our Process for Building Your API
We break every project into four phases so you see progress every week.
Each phase ends with a deliverable you can review. No black boxes, no waiting weeks for a demo.
You get a dedicated Slack channel and weekly sprint reviews. Changes are made during the project, not after.
What Ships with Every API
Every API project includes these deliverables by default. No hidden costs.
You get everything you need to maintain and scale the API after launch. We hand over full ownership and teach your team how to manage it.
If you need additional endpoints later, we can extend the project under the same fixed-price model.
- OpenAPI 3.0 specification
- Postman collection with examples
- Source code in your GitHub repo
- CI/CD pipeline (GitHub Actions)
- Automated unit + integration tests
- Rate limiting and authentication (JWT/OAuth)
- Logging and error tracking (Sentry)
- Uptime monitoring dashboard
- Docker containers for local dev
- API usage documentation (Swagger UI)
What we ship in this practice.
Payment Gateway API for Fintech
Built a RESTful API that processes 5,000 transactions per minute with idempotency keys. Integrated with Stripe and Plaid. The client reduced failed payments by 30% and launched in 3 new countries. Tech stack: Node.js, Express, PostgreSQL, Redis, Stripe.
FHIR API for Healthcare Platform
Developed a HIPAA-compliant FHIR R4 API serving 200 clinics. Handles patient data, lab results, and appointment scheduling. All endpoints passed HITRUST certification. Tech stack: Python, FastAPI, PostgreSQL, AWS HealthLake.
Real-time Chat API for Social App
Built a WebSocket-based chat API supporting 100,000 concurrent users. Messages delivered in under 100ms. Included typing indicators, read receipts, and media upload via S3. Tech stack: Node.js, Socket.io, Redis, MongoDB.
Ecommerce Inventory API for Retailer
Created a GraphQL API that syncs inventory across 50 warehouses and 3 online stores. Reduced stockouts by 40% and improved order fulfillment speed by 25%. Tech stack: GraphQL, Apollo Server, PostgreSQL, RabbitMQ.
IoT Data Pipeline API for Manufacturing
Built a gRPC API that ingests 10,000 sensor readings per second from factory floor devices. Processed data triggers real-time alerts for maintenance teams. Tech stack: Go, gRPC, Protocol Buffers, InfluxDB, MQTT.
Third-Party Integration API for SaaS
Developed a unified integration layer that connects to Salesforce, HubSpot, and Zendesk. Handles OAuth, rate limits, and field mapping. Client reduced integration development time by 8 weeks. Tech stack: Python, Django, Celery, PostgreSQL.
Why teams hire us.
Fixed price, not hourly billing
Every API project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. 90% of our projects finish within the original budget.
We write the spec before the code
OpenAPI 3.0 spec is written and approved before a single line of code. This eliminates misinterpretation and gives your frontend team an exact contract to work against.
Senior engineers only
Every IRPR developer has 7+ years of experience. No juniors, no outsourcing. The person you talk to in the discovery call is the same person writing your API.
Full ownership of the code
All source code, infrastructure as code, and documentation are yours. We push to your GitHub repos from day one. You can take over or hire any team after launch.
Compliance baked into every project
We have delivered HIPAA, PCI-DSS, SOC 2, and FERPA compliant APIs. Compliance tasks are not an add-on. They are included in the fixed price and tested before go-live.
Support after launch included
Every project includes 30 days of post-launch support. We fix any issues, answer questions, and help your team deploy changes. Extended support is available on a retainer basis.
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.