Top API Integration Development FirmDevelopment Firm
We build custom API integrations for SaaS, healthcare, fintech, and ecommerce. 12-14 week delivery with fixed pricing.
IRPR is a top API integration development firm. We build custom integrations using REST, GraphQL, WebSockets, and message queues like RabbitMQ and Kafka. Every integration connects your product to third-party APIs, legacy systems, or microservices.
We ship production-ready integrations in 12-14 weeks. Pricing is fixed: $80K-$250K per project. We handle compliance: HIPAA for healthcare, PCI-DSS for payments, SOC 2 for SaaS. You get full source code, CI/CD pipelines, and monitoring dashboards.
Our clients are CTOs at SaaS startups needing to connect Stripe and Salesforce, VP of Engineering at healthcare platforms integrating EHRs like Epic, and product managers at fintech companies linking Plaid and Stripe. We also work with ecommerce directors connecting Shopify to ERP systems.
Types of software we ship.
SaaS API integrations
Connect your SaaS product to payment gateways, CRMs, and analytics platforms. We use Stripe, Salesforce, and HubSpot APIs.
Ecommerce API integrations
Sync Shopify, WooCommerce, or Magento with ERP, inventory, and shipping systems. We handle real-time order updates.
Healthcare API integrations
Integrate with EHR systems like Epic, Cerner, and Athenahealth. HIPAA compliant with HL7 FHIR standards.
Fintech API integrations
Connect to Plaid, Stripe, and banking APIs for payment processing and account aggregation. PCI-DSS Level 1 compliant.
CRM API integrations
Sync Salesforce, HubSpot, and Zoho with your app. Automate lead and contact data flows.
ERP API integrations
Link NetSuite, SAP, or Microsoft Dynamics to your platform. Handle inventory, orders, and invoices.
Marketing API integrations
Connect Mailchimp, Marketo, and Google Ads APIs for automated campaign management and analytics.
IoT API integrations
Bridge IoT devices with cloud APIs using MQTT and WebSockets. Real-time data ingestion and control.
We build for every business type.
SaaS companies
Healthcare
Fintech
Ecommerce
Enterprise
Why Choose a Top API Integration Development Firm
IRPR delivers API integrations that are reliable, secure, and fast.
We have built over 200 integrations across 50 countries. Our team uses REST, GraphQL, and WebSockets to connect your app to any third-party service. Every integration includes error handling, retry logic, and monitoring.
We guarantee 99.9% uptime for integrations we build. Our CI/CD pipelines deploy to AWS, GCP, or Azure. We include Sentry error tracking and Grafana dashboards for real-time visibility.
Generic Dev Shop vs Top API Integration Firm
Most agencies overpromise and underdeliver on API integrations. IRPR is different.
Generic development shops treat API integration as a side task. They use outdated libraries, skip error handling, and deliver brittle code that breaks when the API changes.
IRPR treats integration as a core product. We use versioned API clients, automated tests, and circuit breakers. We write documentation for every endpoint and provide runbooks for operations.
- No API versioning strategy
- No error retry logic
- No monitoring or alerts
- No documentation
- No load testing
- No security review
- Versioned API clients with fallbacks
- Exponential backoff and retry with dead letter queues
- Grafana dashboards and Sentry alerts
- OpenAPI/Swagger docs for every endpoint
- Load testing with k6 and Locust
- OWASP and PCI-DSS security audits
Our API Integration Process
We follow a 4-phase process to ship your integration on time and on budget.
Phase 1: Discovery. We map your data flows, identify third-party APIs, and define endpoints. We produce a detailed integration specification within 2 weeks.
Phase 2: Build. Our engineers write code in Node.js, Python, or Go. We use Docker for local development and automated tests with Jest and Postman.
What Ships With Every Integration
You own everything. No black boxes.
Every integration includes full source code, CI/CD pipelines, documentation, and monitoring. We hand over everything on day 1 of the project via your GitHub repo.
We also include a 30-day post-launch support period. During this time we fix any bugs and help your team handle API changes.
- Source code in your GitHub repo
- CI/CD pipeline on GitHub Actions
- OpenAPI/Swagger documentation
- Sentry error tracking
- Grafana monitoring dashboards
- Unit and integration tests
- Load test scripts (k6)
- Docker compose for local development
- Runbook for production incidents
- 30-day post-launch support
What we ship in this practice.
SaaS Stripe integration
Built a payment integration for a B2B SaaS using Stripe Connect. Reduced payment failure rate by 40%. Tech stack: Node.js, Stripe API, PostgreSQL, Redis.
Healthcare EHR integration
Connected a telehealth platform to Epic EHR using HL7 FHIR. Reduced patient data entry time by 8 hours per week. Tech stack: Python, FHIR, AWS Lambda.
Fintech Plaid integration
Integrated Plaid for a lending platform to verify bank accounts. Cut manual verification time from 2 days to 10 minutes. Tech stack: Node.js, Plaid API, PostgreSQL.
Ecommerce Shopify ERP sync
Synced Shopify orders to NetSuite ERP in real time. Eliminated manual data entry for 5 staff members. Tech stack: Ruby on Rails, Shopify API, NetSuite REST API.
Logistics tracking integration
Built a multi-carrier tracking API for a logistics platform. Reduced tracking errors by 90%. Tech stack: Go, FedEx API, UPS API, RabbitMQ.
Media CMS integration
Integrated a content management system with YouTube and Vimeo APIs. Automated video upload and metadata sync, saving 20 hours per week. Tech stack: Python, YouTube Data API, Vimeo API.
Why teams hire us.
Fixed price, no surprises
We quote a fixed price after the Roadmap phase (week 2). You never pay for overruns. Our average project is $80K-$250K.
Senior engineers only
Our team averages 10+ years of experience. Every engineer has worked with at least 5 third-party APIs. No junior developers.
We handle compliance
We have built HIPAA-compliant integrations for 15 healthcare clients. We also handle PCI-DSS Level 1 and SOC 2 Type II. We include compliance documentation.
Full code ownership
You own 100% of the source code from day 1. No licensing fees, no proprietary frameworks. We use standard open-source tools.
On-time delivery guarantee
98% of our projects ship on time. We use agile sprints and weekly demos to keep you informed. No missed deadlines.
Post-launch support included
We provide 30 days of free support after launch. We help your team handle API changes and fix any bugs. Extended support available at $150/hour.
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.