Expert API Integration Development StudioAPI Integration
We connect your software to any third-party API in 8-12 weeks. Fixed pricing, senior engineers only.
IRPR builds API integrations that connect your product to Stripe, Salesforce, HubSpot, Twilio, AWS, and 50+ other APIs. We use Node.js, Python, Go, and PHP to handle REST, GraphQL, and SOAP endpoints.
Every project ships in 8-12 weeks with a fixed price between $80K and $250K. We handle HIPAA, PCI-DSS, and SOC 2 compliance so your data stays secure across every integration.
Founders building SaaS platforms hire us to sync their product with payment gateways and CRMs. Healthcare companies hire us to connect EHRs and lab systems. Fintech startups hire us to link bank APIs and fraud detection tools. Ecommerce brands hire us to unify inventory, shipping, and marketplaces.
Types of software we ship.
Payment Gateway Integration
Connect Stripe, Braintree, or Square to your checkout flow. Supports recurring billing, refunds, and webhooks.
CRM Integration
Sync contacts, deals, and activities between Salesforce, HubSpot, or Zoho and your app. Two-way sync included.
EHR/EMR Integration
Connect Epic, Cerner, or Athenahealth to your healthcare app. HL7 FHIR and HIPAA compliant.
Shipping & Logistics Integration
Link Shippo, EasyPost, or FedEx for real-time rates, labels, and tracking. Handles multi-carrier workflows.
Marketing Automation Integration
Connect Mailchimp, Klaviyo, or ActiveCampaign for triggered emails, segments, and campaign analytics.
Accounting Integration
Sync invoices, payments, and ledgers with QuickBooks, Xero, or NetSuite. Automates reconciliation.
Social Media API Integration
Post, schedule, and analyze across Facebook, Instagram, LinkedIn, and Twitter APIs. Handles rate limits.
Data Warehouse Integration
ETL pipelines from your app to Snowflake, BigQuery, or Redshift. Supports CDC and batch loads.
We build for every business type.
SaaS platforms
Healthcare
Fintech
Ecommerce
Real Estate
Expert API Integration Development Studio Stats
Our team has shipped 200+ integrations across 50 countries.
IRPR has built API integrations for startups and enterprises in healthcare, fintech, ecommerce, and SaaS. We work with REST, GraphQL, and SOAP endpoints and handle authentication flows like OAuth 2.0, API keys, and JWT.
Every integration includes error handling, retry logic, rate limiting, and logging. We ship with Postman collections and OpenAPI specs so your team can test and extend the work.
The Difference Between IRPR and a Generic Dev Shop
Most API integration projects fail because of poor planning, scope creep, or lack of senior talent.
Generic dev shops assign junior developers who learn your API stack on your dime. They bill hourly and push timelines when they hit authentication issues or rate limits.
IRPR assigns senior engineers who have built 200+ integrations. We write a fixed price in week 2 and ship in 8-12 weeks. No hourly billing, no surprise invoices.
- Junior developers on your project
- Hourly billing with no cap
- No compliance experience
- No error handling or retry logic
- No documentation or tests
- Timeline slips by weeks
- Senior engineers only
- Fixed price from week 2
- HIPAA, PCI-DSS, SOC 2 built in
- Retry, rate limit, and logging included
- Postman collections and OpenAPI specs
- Shipped in 8-12 weeks
How We Build Your API Integration
Our process takes your idea from discovery to production in 8-12 weeks.
We start with a 1-week discovery phase where we map your data flows, identify authentication methods, and document error scenarios. Then we build a Roadmap with fixed scope and price.
After you approve the Roadmap, we build the integration in 6-10 weeks. We write automated tests, set up monitoring, and deploy to your cloud. You own the code from day one.
What Ships With Every API Integration
Every integration includes production-ready code, documentation, and monitoring.
We don't just write code that works on your laptop. We ship integrations that handle production traffic, errors, and rate limits. Every project includes the deliverables listed below.
Your team can take over the integration after we hand it off. We provide Postman collections, OpenAPI specs, and runbooks so your developers understand every endpoint.
- Source code in your GitHub repo
- CI/CD pipeline on GitHub Actions
- Sentry error tracking
- Datadog monitoring dashboards
- Postman collection with all endpoints
- OpenAPI 3.0 specification
- Automated test suite with 90%+ coverage
- Runbook for on-call engineers
- Rate limit handling and retry logic
- Deployment to AWS, GCP, or Azure
What we ship in this practice.
Stripe Payment Integration for SaaS
Connected a subscription billing platform to Stripe for recurring payments, refunds, and webhooks. Reduced manual invoicing by 20 hours per month. Stack: Node.js, PostgreSQL, Stripe API.
EHR Integration for Telehealth
Integrated a telehealth app with Epic and Cerner using HL7 FHIR. Enabled automatic patient record sync for 10,000+ patients. Stack: Python, FHIR, AWS Lambda.
Banking API Integration for Fintech
Linked a lending platform to Plaid and Stripe for bank verification and payouts. Cut loan approval time from 3 days to 4 hours. Stack: Go, Plaid API, Stripe Connect.
Marketplace Integration for Ecommerce
Connected an inventory system to Amazon, eBay, and Shopify APIs. Synced 50,000 SKUs daily with 99.9% accuracy. Stack: Node.js, Amazon SP-API, Shopify REST API.
MLS Integration for Real Estate
Integrated a property search app with MLS data feeds from 3 major MLS providers. Reduced listing update lag from 24 hours to 15 minutes. Stack: Python, RETS API, PostgreSQL.
Shipping Integration for Logistics
Connected a warehouse management system to FedEx and UPS APIs for label generation and tracking. Saved 15 hours per week in manual shipping tasks. Stack: Node.js, FedEx API, UPS API.
Why teams hire us.
Fixed price, not hourly
Every API integration project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. You know the cost before we start coding.
Senior engineers only
We assign engineers with 10+ years of experience. No junior developers learning on your project. Every engineer has built at least 20 production API integrations.
Compliance built in
We handle HIPAA, PCI-DSS, and SOC 2 requirements during the build. Our integrations include audit logs, encryption at rest and in transit, and access controls.
8-12 week delivery
We ship every integration in 8-12 weeks. Our process is optimized for speed without sacrificing quality. 98% of our projects ship on time.
Full code ownership
You own the source code from day one. We put it in your GitHub repo. No licensing fees, no black boxes, no vendor lock-in.
Production-ready from day one
Every integration ships with error handling, retry logic, rate limiting, and monitoring. We deploy to your cloud and hand over runbooks so your team can operate it.
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.