Experienced API Integration Development StudioDevelopment Studio
We connect your software to Stripe, Salesforce, HubSpot, and 50+ other APIs. Fixed price, 8-12 week delivery, full code ownership.
IRPR is an experienced API integration development studio. We build custom integrations between your platform and third-party services like Salesforce, Stripe, HubSpot, Twilio, and AWS. Our team of senior engineers handles REST, SOAP, GraphQL, and webhook-based APIs.
We ship production-ready integrations in 8-12 weeks. Fixed pricing starts at $80K and goes to $250K depending on complexity. Every project is built to compliance standards like HIPAA, PCI-DSS, and SOC 2.
Our clients are CTOs at SaaS companies who need to connect their product to payment gateways. Engineering leads at healthcare firms who need HL7 or FHIR integrations. And product managers at ecommerce brands who want real-time inventory sync with ERP systems.
Types of software we ship.
Payment Gateway Integration
Connect your app to Stripe, Braintree, or Adyen. Handle recurring billing, refunds, and webhook events.
CRM API Integration
Sync contacts, deals, and activities between your platform and Salesforce, HubSpot, or Zoho CRM.
ERP System Integration
Bidirectional sync of orders, inventory, and invoices with NetSuite, SAP, or Microsoft Dynamics.
Healthcare API Integration
Integrate with EHR systems like Epic or Cerner using HL7 FHIR. HIPAA-compliant data exchange.
Marketing Automation Integration
Connect your app to Mailchimp, Marketo, or ActiveCampaign for automated email and lead scoring.
Shipping and Logistics API
Real-time rate quotes, label generation, and tracking via ShipStation, Shippo, or FedEx APIs.
Social Media API Integration
Post, schedule, and analyze content across Facebook, Instagram, LinkedIn, and Twitter APIs.
Data Warehouse Integration
ETL pipelines to sync data from your app into Snowflake, BigQuery, or Redshift for analytics.
We build for every business type.
SaaS platforms
Healthcare
Fintech
Ecommerce
Logistics and Supply Chain
Why Hire an Experienced API Integration Development Studio
API integrations are hard to get right. IRPR has shipped 200+ integrations across 50+ countries.
We write code that handles rate limiting, retries, error logging, and data transformation. Every integration is tested with real API endpoints before deployment. Our team uses tools like Postman, Insomnia, and custom test suites to validate every endpoint.
We also handle authentication protocols like OAuth 2.0, API keys, and JWT. Your data stays encrypted in transit and at rest. We ship source code to your GitHub repo on day one.
Generic Dev Shop vs. Experienced API Integration Studio
Not all development teams know how to handle async workflows, webhook retries, and idempotency.
Generic shops treat API integration like a weekend task. They write synchronous code that breaks under load. They miss error handling. You end up with a brittle system that fails when your vendor changes their API version.
IRPR builds integrations that survive API deprecations, network failures, and traffic spikes. We use message queues, idempotency keys, and circuit breakers. Every integration includes monitoring with Datadog or Sentry.
- No error handling for API timeouts
- Hardcoded API keys in source code
- No monitoring or alerting
- Sync-only implementation
- No retry logic for failed requests
- No documentation
- Retry with exponential backoff and dead-letter queues
- Encrypted secrets management via AWS Secrets Manager
- Datadog or Sentry monitoring with alerts
- Async processing with message queues (RabbitMQ, SQS)
- Idempotency keys to prevent duplicate charges
- Full API documentation with Swagger/OpenAPI
Our API Integration Process: 4 Phases
We follow a structured process from discovery to deployment. Every phase has clear deliverables.
Phase 1: Discovery. We map your data flow, identify endpoints, and define authentication. You get a detailed integration specification.
Phase 2: Development. We build the integration in sprints. You see working code in your repo after week 2.
What Ships with Every API Integration Project
You get more than just code. Every project includes the following by default.
We believe in full transparency. You own everything we build. No black boxes.
- Source code in your GitHub repo
- CI/CD pipeline with GitHub Actions
- API documentation via Swagger/OpenAPI
- Error logging with Sentry or Datadog
- Secrets management with AWS Secrets Manager
- Unit tests with 90%+ coverage
- Integration tests against real endpoints
- Runbook for deployment and troubleshooting
- One week of post-launch support
What we ship in this practice.
Stripe Payment Integration for SaaS
Built a subscription billing integration for a B2B SaaS platform. Handled 10,000+ transactions per month with Stripe webhooks. Reduced manual invoicing by 15 hours per week. Stack: Node.js, Stripe API, PostgreSQL, AWS Lambda.
Salesforce Contact Sync for Healthcare
Integrated a telemedicine app with Salesforce Health Cloud. Synced patient records, appointments, and billing data in real time. Achieved HIPAA compliance. Stack: Python, Salesforce REST API, FHIR, AWS RDS.
Shopify Inventory Sync for Ecommerce
Built a bidirectional inventory sync between Shopify and a legacy ERP system. Cut stock discrepancies by 98%. Stack: Ruby on Rails, Shopify API, SOAP, RabbitMQ.
HubSpot Lead Capture for Real Estate
Connected a real estate CRM with HubSpot. Automatically created contacts and deals from website inquiries. Increased lead response time by 60%. Stack: Next.js, HubSpot API, PostgreSQL, Vercel.
Twilio SMS Integration for Logistics
Built a real-time SMS notification system for a logistics platform. Sent delivery status updates to customers. Handled 50,000+ messages per month. Stack: Node.js, Twilio API, Redis, AWS SQS.
QuickBooks Accounting Sync for Fintech
Integrated a lending platform with QuickBooks Online. Automatically synced loan payments and invoices. Reduced manual data entry by 20 hours per week. Stack: Python, QuickBooks API, OAuth 2.0, PostgreSQL.
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.
Senior engineers only
We hire engineers with 10+ years of experience. No junior developers. Every integration is built by someone who has done it before.
8-12 week delivery
We ship production-ready integrations in 8 to 12 weeks. Our process is optimized for speed without cutting corners.
Full code ownership
You own all source code, documentation, and deployment scripts. No proprietary frameworks. No vendor lock-in.
Compliance built in
We build to HIPAA, PCI-DSS, and SOC 2 standards by default. Your integration passes audits without rework.
Post-launch support
We include one week of post-launch support for every project. We also offer ongoing maintenance at a fixed monthly rate.
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.
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