Premium API Integration Development StudioDevelopment Studio
We build custom API integrations that connect your software to any third party service. 200+ products shipped across 50 countries with fixed pricing and predictable timelines.
IRPR is a premium API integration development studio. We build custom APIs and connect your platform to services like Stripe, Salesforce, HubSpot, Twilio, and AWS using REST, GraphQL, and WebSocket protocols. Every integration is designed for high throughput and low latency.
A typical API integration project ships in 8 to 12 weeks. Pricing ranges from $80K to $250K depending on the number of endpoints, data volume, and compliance requirements. We handle HIPAA, PCI-DSS, SOC 2, and GDPR certified integrations.
We work with CTOs who need to connect their SaaS to payment gateways. Product owners who want to sync CRM data with marketing tools. Engineering leads who need a custom middleware layer between legacy systems and modern cloud services. And compliance officers who require auditable, secure data pipelines.
Types of software we ship.
Payment Gateway Integration
Connect Stripe, Braintree, or Adyen to your platform. Includes webhook handling, idempotency keys, and PCI-DSS compliance.
CRM Sync Integration
Two-way sync between Salesforce, HubSpot, or Zoho and your app. Uses OAuth 2.0 and handles conflict resolution.
Ecommerce Platform Integration
Integrate Shopify, WooCommerce, or Magento with ERP, inventory, and shipping systems. Real-time order and stock updates.
Email & Marketing API Integration
Connect SendGrid, Mailchimp, or Marketo for automated campaigns, transactional emails, and audience segmentation.
Healthcare Data Integration (FHIR)
Build HIPAA compliant integrations with EHRs using HL7 FHIR. Supports patient data exchange, lab results, and scheduling.
Logistics & Shipping API Integration
Integrate FedEx, UPS, or ShipStation for real-time rates, label generation, and tracking. Handles batch processing.
Social Media & Content API Integration
Connect Twitter, LinkedIn, or Instagram APIs for automated posting, analytics, and content moderation.
Custom Middleware & Data Pipeline
Build a custom API gateway or ETL pipeline using Node.js, Python, or Go. Supports Kafka, RabbitMQ, and Redis.
We build for every business type.
SaaS Platforms
Healthcare
Fintech & Payments
Ecommerce & Retail
Enterprise & Logistics
Why choose a premium API integration development studio
Generic developers copy code from Stack Overflow. We build production grade integrations that handle errors, rate limits, and security.
IRPR has shipped over 200 API integrations across 50 countries. Every integration includes automatic retry logic, circuit breakers, and detailed logging. We use tools like Postman, Insomnia, and Swagger for documentation and testing.
Our integrations average 99.9% uptime. We design for failure: exponential backoff, dead letter queues, and idempotent endpoints. Clients in fintech and healthcare trust us with their most sensitive data pipelines.
How IRPR compares to other API development agencies
Most agencies bill hourly and deliver late. IRPR gives you fixed price, fixed timeline, and full code ownership.
We have seen too many projects fail because the agency had no API design standards. They built fragile integrations that broke when the third party changed their API. Every IRPR integration uses versioned endpoints and comprehensive error handling.
Our Roadmap phase defines every endpoint, data model, and error scenario before we write a line of production code. This eliminates surprises and keeps the project on time and on budget.
- Hourly billing with no cap
- No API design document
- Hardcoded third party endpoints
- No retry or fallback logic
- Minimal error logging
- You own nothing until paid in full
- Fixed price from Roadmap phase (week 2)
- OpenAPI spec before any code
- Versioned endpoints with deprecation strategy
- Automatic retry with exponential backoff
- Sentry error tracking + CloudWatch logs
- Full code ownership from day one
Our API integration process in 4 phases
We follow a repeatable 4 phase process that has shipped integrations for over 200 clients.
Every project starts with a 2 week Roadmap phase. We map every third party API, define data models, and write acceptance tests. You get a fixed price quote and a Gantt chart before we write code.
The Product phase is 6 to 8 weeks of development. We build, test, and deploy in 2 week sprints. You see working integrations every sprint and can adjust scope without blowing the budget.
What ships with every premium API integration
Every integration includes these deliverables by default. No hidden fees or optional add ons.
We believe in complete transparency. When the project ends, you have everything you need to run the integration independently. Source code, documentation, and infrastructure are all yours.
Our integrations are built to last. We use industry standard patterns that your team can maintain without needing to rehire us. But if you need ongoing support, we offer retainer agreements starting at $5K per month.
- Source code in your private GitHub repo
- OpenAPI 3.0 specification document
- CI/CD pipeline with GitHub Actions
- Automated integration tests (100% coverage of critical paths)
- Sentry error tracking and performance monitoring
- CloudWatch or DataDog dashboards
- Deployment runbook with rollback procedure
- Postman collection for manual testing
- Security audit report (OWASP top 10)
- 2 week post release support and monitoring
What we ship in this practice.
Stripe payment integration for a SaaS platform
Built a subscription billing integration that handles prorations, coupons, and invoices. Reduced billing errors by 95% and saved the client 20 hours per week of manual reconciliation. Tech stack: Node.js, Stripe API, PostgreSQL, Bull queue.
Salesforce to HubSpot two way sync
Developed a real time sync for contacts, deals, and activities between Salesforce and HubSpot. Handled 50,000 records per day with 99.99% accuracy. Tech stack: Python, Salesforce REST API, HubSpot API, Redis, Celery.
FHIR integration for a telehealth platform
Connected a telehealth app to Epic EHR using HL7 FHIR. Enabled automated lab result retrieval and appointment scheduling. Reduced provider data entry time by 8 hours per week. Tech stack: .NET, FHIR R4, Azure API for FHIR, HIPAA compliant.
Shopify to NetSuite inventory sync
Built a real time inventory sync between Shopify and NetSuite for a multi store retailer. Eliminated overselling and reduced stock discrepancies by 100%. Tech stack: Node.js, Shopify GraphQL, NetSuite SuiteTalk, AWS Lambda.
Twilio SMS integration for a logistics platform
Integrated Twilio Programmable SMS for real time delivery notifications. Handled 10,000 messages per day with 99.9% delivery rate. Tech stack: Ruby on Rails, Twilio API, Sidekiq, Redis.
Plaid bank data integration for a fintech app
Connected a personal finance app to 12,000 financial institutions via Plaid. Enabled transaction categorization and balance alerts. Reduced manual data entry by 12 hours per user per month. Tech stack: Python, Plaid API, PostgreSQL, SOC 2 compliant.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. You know the exact cost before we write a line of code.
200+ integrations shipped
We have built API integrations for over 200 clients across 50 countries. Our team has worked with Stripe, Salesforce, Twilio, Plaid, HubSpot, and 100+ other APIs. You get battle tested patterns, not guesswork.
Full code ownership from day one
You own the source code, documentation, and infrastructure from the first commit. No licensing fees, no vendor lock in. Your team can take over maintenance immediately after launch.
Compliance built in
We build integrations that comply with HIPAA, PCI-DSS, SOC 2, and GDPR. Every integration includes encryption at rest and in transit, audit logging, and access controls. Our healthcare integrations use FHIR R4 and pass third party audits.
98% on time delivery
We ship 98% of projects on time. Our 2 week sprint cycle and fixed scope Roadmap phase eliminate the uncertainty that plagues other agencies. You get a working integration every sprint.
Senior engineers only
Every engineer at IRPR has 10+ years of experience. No juniors, no offshore teams, no handoffs. Your project is built by a senior engineer who stays with you from Roadmap to Release.
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.