Expert API Integration Development PartnerDevelopment Partner
We build secure, scalable API integrations that connect your systems in 8-12 weeks. Fixed pricing, no surprises.
IRPR is an expert API integration development partner. We build custom connections between platforms like Salesforce, Stripe, HubSpot, and your proprietary systems using Node.js, Python, and cloud-native microservices.
Every integration ships in 8-12 weeks with a fixed price between $80K and $250K. We handle compliance for HIPAA, PCI-DSS, and SOC 2 environments.
We work with CTOs needing to unify legacy systems, product managers launching SaaS integrations, healthcare IT directors connecting EHRs, and fintech founders building payment rails.
Types of software we ship.
Third-party API integration
Connect Stripe, Salesforce, and HubSpot to your platform with secure OAuth 2.0 flows and automated retry logic.
RESTful API development
Build custom REST APIs with OpenAPI specs, rate limiting, and pagination for high-traffic applications.
GraphQL API development
Design GraphQL endpoints with Apollo Server that reduce over-fetching and speed up frontend development.
API middleware development
Create middleware layers to translate between SOAP, REST, and gRPC protocols for legacy modernization.
Legacy system API integration
Wrap mainframe and COBOL systems with REST APIs using AWS API Gateway and Lambda adapters.
SaaS API integration
Integrate multiple SaaS tools like Slack, Asana, and QuickBooks into a single workflow with webhook handling.
Real-time data sync API
Build WebSocket and Server-Sent Events APIs for real-time inventory, pricing, or order updates.
API gateway development
Deploy Kong or AWS API Gateway to manage authentication, throttling, and monitoring across all your APIs.
We build for every business type.
Healthcare
Fintech
Ecommerce
SaaS
Logistics
Why choose an expert API integration development partner
IRPR delivers API integrations that work reliably from day one.
We have shipped over 200 products across 50 countries. Our integrations handle millions of transactions daily with 99.9% uptime.
Every project includes senior engineers, automated testing, and full documentation. You get a fixed price and a clear timeline from the start.
Generic dev shop vs expert API integration partner
Not all development teams handle API integrations the same way.
Generic shops assign junior developers and bill by the hour. They often miss compliance requirements and deliver undocumented code.
IRPR assigns senior engineers, uses fixed pricing, and builds HIPAA/PCI compliant integrations with full documentation and ongoing support.
- No dedicated API specialists
- Hourly billing with no cap
- No compliance knowledge
- Single developer bottleneck
- No documentation
- No post-launch support
- Senior API engineers only
- Fixed price per project
- HIPAA, PCI, SOC 2 compliant
- Team of 3-5 engineers
- Full API documentation
- 30-day support included
Our API integration process
We follow a proven 4-phase process to deliver your integration on time and on budget.
Each phase has clear deliverables and checkpoints. You see progress every week.
The process starts with a 2-week Roadmap that defines the architecture, timeline, and fixed price.
What ships with every integration
Every project includes these deliverables by default.
No hidden line items. Everything you need to run and maintain the integration is included in the fixed price.
- Source code in your private GitHub repo
- CI/CD pipeline on GitHub Actions
- Automated test suite with 90%+ coverage
- API documentation in OpenAPI/Swagger
- Deployment scripts for AWS/GCP/Azure
- Sentry error tracking configured
- Monitoring dashboards in Datadog
- Postman collection for testing
- 30-day post-launch support
- Architecture diagram and runbook
What we ship in this practice.
Healthcare EHR integration
Connected a telehealth platform to Epic and Cerner using HL7 FHIR, reducing manual data entry by 12 hours per week. Tech: Node.js, AWS Lambda, PostgreSQL.
Fintech payment gateway
Integrated Stripe and Plaid for a lending platform, processing $2M in monthly transactions with 99.9% uptime. Tech: Python, Django, Redis.
Ecommerce marketplace
Built a real-time inventory sync between Shopify and a custom warehouse system, cutting order errors by 40%. Tech: Next.js, GraphQL, RabbitMQ.
SaaS CRM integration
Created a two-way sync between HubSpot and a legacy ERP, saving the sales team 8 hours per week on data entry. Tech: Node.js, TypeScript, PostgreSQL.
Logistics tracking API
Developed a unified tracking API aggregating data from FedEx, UPS, and USPS, improving customer satisfaction by 25%. Tech: Go, Redis, AWS ECS.
Real estate MLS integration
Connected a property management platform to MLS listings via REST API, reducing listing time by 3 days. Tech: Ruby on Rails, Elasticsearch, Sidekiq.
Why teams hire us.
Fixed price, not hourly
Every integration project gets a fixed quote after the 2-week Roadmap phase. No hourly billing, no surprise invoices.
Senior engineers only
Our team averages 10+ years of experience. No junior developers work on your integration.
Compliance built in
We handle HIPAA, PCI-DSS, and SOC 2 requirements as part of every integration. No separate audit needed.
8-12 week delivery
Most integrations ship in 8-12 weeks from kickoff. We have delivered over 200 products on time.
Full ownership
You own the source code, documentation, and deployment scripts. No lock-in, no licensing fees.
Post-launch support included
Every project includes 30 days of post-launch support with a dedicated engineer. Extended support available at fixed rates.
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.