Best REST API Development VendorREST API
We build secure, scalable REST APIs for your product. 200+ shipped, 12-week delivery, fixed pricing.
IRPR builds production-ready REST APIs for startups and enterprises. We use Node.js, Express, PostgreSQL, and Redis to handle high traffic and complex business logic.
Each project delivers fully documented source code, CI/CD pipeline, and deployment scripts. Typical timeline is 10-14 weeks. Fixed pricing starts at $80K and ranges to $250K depending on scope. We follow SOC 2 processes and can comply with HIPAA, PCI, or FERPA.
CTOs need a reliable partner to ship their API layer in time for a funding round. Product owners want to avoid hiring and managing an in-house API team. Enterprise architects require a compliant, audit-ready API for regulated industries.
Types of software we ship.
Mobile App Backend API
REST API for iOS, Android, or cross-platform apps. Integrates push notifications, user auth, and real-time data. Uses Firebase Cloud Messaging and JWT tokens.
SaaS Platform API
Multi-tenant REST API for subscription services. Handles billing, user roles, and webhook events. Built with Stripe and SendGrid integration.
Ecommerce Storefront API
REST API for product catalogs, orders, and inventory sync. Connects with Shopify, Magento, or custom backends. Includes rate limiting and caching via Redis.
Healthcare FHIR API
Compliant REST API for EHR integration and patient data exchange. Supports HL7 FHIR R4, HIPAA audit logs, and SMART on FHIR authentication.
Payment Gateway Integration API
REST API for processing payments, refunds, and recurring billing. Wraps Stripe, Braintree, or Adyen with idempotency keys and webhook replay.
Real Estate MLS Data API
REST API for property listings, agent profiles, and market analytics. Ingests RETS/Reso data and serves it with pagination and caching layers.
Analytics Pipeline API
REST API for ingesting events, running aggregations, and serving dashboards. Uses Kafka streams, ClickHouse, and Postgres materialized views.
Social Media Platform API
REST API for user feeds, posts, comments, and notifications. Designed for high read/write throughput with Elasticsearch search and Redis pub/sub.
We build for every business type.
Mobile applications
SaaS platforms
Ecommerce
Healthcare
Fintech
Why IRPR is the Best REST API Development Vendor
Our track record speaks for itself.
Over 200 REST API projects shipped across 50 countries. Our APIs power mobile apps, SaaS platforms, and enterprise systems that handle millions of requests daily.
We maintain a 98% on-time delivery rate and a 99.9% uptime SLA. Every API includes automated tests, load testing, and full documentation before launch.
How IRPR compares to offshore teams and freelance developers
Most API projects fail due to scope creep, poor documentation, and no compliance.
Generic dev shops often deliver incomplete APIs with no CI/CD or security audits. You end up chasing the team for fixes and paying hourly for every change.
IRPR ships a fully documented, compliant REST API on a fixed budget. We include CI/CD, monitoring, and a 90-day post-launch warranty so you can move fast.
- No fixed price, hourly billing
- Undefined scope, constant changes
- Minimal documentation or tests
- No CI/CD or automated deployments
- No compliance or audit trails
- No post-launch support
- Fixed price after Roadmap phase
- Clear scope and change control
- Full OpenAPI/Swagger docs and tests
- CI/CD with GitHub Actions and Docker
- SOC 2 processes with HIPAA/PCI ready
- 90-day warranty and SLA
Our REST API development process in 4 phases
We follow a proven process to eliminate risk and deliver on time.
Phase 1: Discovery - we map your data model, endpoints, and authentication strategy. You get a detailed API specification in week one.
Phase 2: Roadmap - we define the exact scope, timeline, and fixed price. No surprises, no hidden costs.
What you get with every REST API project
Every project ships with these assets included.
We include everything you need to maintain and extend your API after launch.
- Source code in your GitHub repository
- CI/CD pipeline on GitHub Actions with Docker
- Postman collection with 50+ example requests
- API documentation via Swagger/OpenAPI
- Error tracking with Sentry
- Load testing report with k6 (5000+ virtual users)
- Deployment scripts for AWS, GCP, or Azure
- Health check endpoints and uptime monitoring
- Security audit report with OWASP checks
- 90-day post-launch support
What we ship in this practice.
Patient appointment API for a telemedicine startup
IRPR built a REST API for booking, rescheduling, and canceling appointments. The API handled 10K requests/hour and drove $1.2M in bookings in the first quarter. Tech stack: Node.js, Express, PostgreSQL, Twilio.
Order fulfillment API for an ecommerce brand
We built a REST API that reduced order processing time from 4 hours to 12 minutes. It syncs orders between Shopify, a 3PL warehouse, and NetSuite. Stack: Ruby on Rails, Redis, Shopify API, NetSuite SuiteTalk.
Payment reconciliation API for a fintech firm
IRPR built a REST API that eliminated manual reconciliation and saved $500K per year. The API matches payments from Stripe and Plaid against internal ledgers in real time. Stack: Python, Django, Stripe, Plaid, PostgreSQL.
MLS data API for a real estate platform
We built a REST API that aggregates property listings from 20 MLS sources. The API serves 3x faster data than the old system and supports 100+ search filters. Stack: .NET Core, SQL Server, Azure Functions, RETS connector.
Social feed API for a media company
IRPR built a REST API that serves a personalized content feed to 2M daily active users. The API delivers 50ms p99 latency using caching and async processing. Stack: Go, Elasticsearch, Kafka, Redis, gRPC bridge.
Learning management API for an edtech company
We built a REST API that manages courses, enrollments, and progress tracking. The API onboarded 10,000 students in its first month with zero downtime. Stack: Laravel, MySQL, AWS Lambda, SQS.
Why teams hire us.
Fixed price, not hourly
Every REST API project gets a fixed quote during the 2-week Roadmap phase. 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 outsourcers — just senior talent working on your API.
12-week delivery guarantee
We ship a production-ready REST API in 10-14 weeks on average. Our 98% on-time record means you can plan your product launch with confidence.
Full code ownership
You own every line of code we write. We deliver the full source in your GitHub repo with a permissive MIT or Apache 2.0 license.
Compliance-ready APIs
IRPR follows SOC 2 processes and can deliver REST APIs that meet HIPAA, PCI-DSS, and FERPA requirements. We include encryption, audit logging, and access controls.
Post-launch support included
Every project comes with 90 days of post-launch support and a written SLA. We fix issues, deploy patches, and help you scale the API as your user base grows.
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.