Affordable API Development FirmAPI Development
We build production APIs in 12 weeks. Fixed price with senior engineers only.
IRPR is an affordable API development firm that builds production-grade APIs using Node.js, Python (FastAPI), and Go. We deploy on AWS Lambda, ECS, and Cloudflare Workers for low latency and high throughput.
Every project ships in 12 weeks on average with a fixed price between $80K and $250K. We design for compliance: HIPAA for healthcare, PCI-DSS for payments, SOC 2 for SaaS.
Startup CTOs hire us for MVP APIs that can scale to millions of requests. Enterprise VP Engineering uses us for internal microservices. Product managers rely on us for third-party integrations like Stripe, Twilio, and Salesforce.
Types of software we ship.
RESTful API
Standard REST APIs with JSON payloads. Use with any frontend. Integration with Stripe, HubSpot, or custom logic.
GraphQL API
Flexible GraphQL endpoints for complex queries. Built with Apollo Server or Yoga. Reduces over-fetching by 40%.
WebSocket API
Real-time bidirectional APIs for chat, live dashboards, and gaming. Built on Socket.io or AWS API Gateway WebSockets.
Microservices API
Decoupled microservices communicating via gRPC or message queues. Deployed in Docker containers on Kubernetes.
Third-Party API Integration
Connect your app to Salesforce, HubSpot, Stripe, Twilio, or QuickBooks. Handle rate limits and webhooks.
IoT API
APIs for connected devices using MQTT or HTTP. Process sensor data at scale with AWS IoT Core and TimescaleDB.
AI/ML API
Wrap machine learning models (OpenAI, Hugging Face, custom PyTorch) behind a REST endpoint. Serve predictions in under 200ms.
Public API Marketplace
Developer portal with authentication, usage tiers, and documentation. Powered by Kong or Tyk API gateway.
We build for every business type.
Fintech
Healthcare
Ecommerce
SaaS Platforms
IoT & Connected Products
Why choose an affordable API development firm like IRPR
We deliver production APIs at a fraction of the cost of large agencies without sacrificing quality.
Our team of senior engineers works async across 8 time zones. This cuts overhead and passes savings to you. A typical API project costs $80K-$250K, not $500K+.
Every API includes automated load testing, monitoring dashboards (Datadog, Sentry), and CI/CD via GitHub Actions. We ship source code with full ownership.
How IRPR compares to generic development shops
Not all API development firms deliver the same value. Here is what sets us apart.
Generic shops bill hourly and often staff junior developers. They rarely include compliance or load testing in the quote.
IRPR offers fixed pricing from day one. Our team consists only of senior engineers with 8+ years experience. We include security audits and documentation in every project.
- Hourly billing with no cap
- Junior or mid-level developers
- No built-in compliance review
- API documentation extra cost
- No load testing included
- Source code ownership unclear
- Fixed price from $80K to $250K
- Senior engineers only (8+ years)
- HIPAA, PCI, SOC 2 compliance built in
- OpenAPI/Swagger docs included
- k6 load testing and Datadog monitoring
- Full source code ownership
The 4-phase API development process
We follow a structured approach to ship your API in 12 weeks or less.
Discovery and Roadmap: In week 1-2 we define endpoints, data models, and performance targets. You get a fixed-price contract after this phase.
Development and Testing: Weeks 3-10 we build the API with continuous integration and automated tests. Each endpoint is tested with Postman and k6.
Security Review and Documentation: Week 11 includes a penetration test and generation of interactive API docs with Swagger UI.
Deployment and Handoff: Week 12 we deploy to production on AWS or Cloudflare, set up monitoring (Datadog, Sentry), and transfer the code repository.
What ships when you hire our affordable API development firm
Every API project comes with a complete delivery package. No hidden fees.
You get production-ready code, monitoring, and full documentation - all included in the fixed price.
- Source code in your private GitHub repo
- CI/CD pipeline on GitHub Actions with automated tests
- Postman collection with example requests
- OpenAPI 3.0 specification (Swagger UI)
- k6 load tests configured for 10K RPS
- Datadog dashboard with latency and error rates
- Sentry error monitoring with alerts
- Security audit report from a third-party pen tester
- 1-month post-launch support included
- Architecture diagram and deployment runbook
What we ship in this practice.
Payment gateway API for fintech startup
Built a RESTful API to process credit card and ACH payments. Integrated with Stripe Connect and Plaid. Handled 5,000 transactions per hour with 99.95% uptime. Tech stack: Node.js, PostgreSQL, Stripe, AWS ECS.
Patient data API for telemedicine platform
Developed a FHIR-compliant API to sync EHR data across clinics. Reduced manual data entry by 12 hours per week per clinic. Tech stack: Python FastAPI, FHIR, AWS Lambda, Auth0.
Inventory sync API for ecommerce brand
Created a real-time WebSocket API to sync inventory across Shopify, Amazon, and warehouses. Eliminated overselling and saved $40K/month in refunds. Tech stack: Go, Redis, Shopify Admin API, AWS API Gateway.
Subscription billing API for SaaS platform
Built a metering and billing API to charge customers per API call. Supported Stripe invoices and usage-based tiers. Processed 1M billing events daily. Tech stack: Ruby on Rails, Stripe, MongoDB, Redis.
Real-time device data API for IoT manufacturer
Designed an MQTT-to-REST bridge for 50,000 sensors. Collected telemetry in TimescaleDB and provided a GraphQL API for live dashboards. Reduced data latency from 5 minutes to 2 seconds. Tech stack: Go, MQTT, TimescaleDB, AWS IoT Core.
Search and recommendations API for travel booking
Developed a GraphQL API aggregating flight, hotel, and car rental data from 30+ suppliers. Average response time under 300ms with Redis caching. Tech stack: Node.js, Apollo Server, Redis, Elasticsearch, AWS Fargate.
Why teams hire us.
Fixed price, not hourly
Every API project gets a fixed quote after the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. 200+ projects shipped this way.
Senior engineers only
Our team averages 10+ years experience. We never staff juniors or outsource. Every developer knows how to build for scale, security, and compliance.
12-week delivery guarantee
98% of our API projects ship within 12 weeks. We use tight sprints (weekly demos) and automated testing to maintain velocity.
Full code ownership
You own every line of code. No licenses, no royalties. We transfer the full repository on launch day. You can modify, repurpose, or self-host.
Built-in compliance
We include HIPAA, PCI-DSS, and SOC 2 compliance at no extra cost. Our team adds encryption, audit logs, and access controls natively.
Post-launch support included
Each project comes with one month of post-launch monitoring and bug fixes. We keep Datadog and Sentry running so you catch issues early.
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.