Leading API Integration Development ConsultantsDevelopment Consultants
We build custom API integrations that connect your tools and automate workflows. 200+ products shipped, 8-12 week delivery, fixed pricing.
IRPR is a team of senior engineers who specialize in API integration development. We build REST, GraphQL, and gRPC APIs that connect your CRM, ERP, payment gateways, and third-party services into one unified system. Our integrations handle authentication, rate limiting, error handling, and data transformation out of the box.
Every project ships in 8-12 weeks with a fixed price from $80K to $250K. We handle compliance for HIPAA, PCI-DSS, and SOC 2. You get source code ownership, CI/CD pipelines, and monitoring dashboards. No hourly billing, no scope creep.
We work with CTOs who need to unify legacy systems, product managers launching SaaS platforms that require Stripe and Salesforce integration, and operations directors automating data flows between ERP and ecommerce platforms. Our clients are in healthcare, fintech, ecommerce, and logistics.
Types of software we ship.
CRM Integration
Connect Salesforce, HubSpot, or Zoho to your ERP and marketing tools. Sync contacts, deals, and activities in real time.
Payment Gateway Integration
Integrate Stripe, Braintree, or Adyen for one-time and recurring payments. Handle webhooks, refunds, and fraud detection.
ERP Integration
Link NetSuite, SAP, or Microsoft Dynamics to your ecommerce platform. Automate order, inventory, and invoice sync.
Ecommerce Integration
Connect Shopify, Magento, or WooCommerce to your warehouse, accounting, and shipping systems. Real-time stock updates.
Healthcare API Integration
Integrate EHR systems like Epic or Cerner with patient portals and billing. HIPAA compliant with audit logs.
Fintech API Integration
Connect Plaid, Stripe, or Yodlee for bank feeds, payments, and KYC. PCI-DSS Level 1 compliant.
SaaS API Integration
Build public APIs for your SaaS product. Include rate limiting, documentation, and developer portal.
Data Pipeline Integration
Sync data between Snowflake, BigQuery, and your operational systems using Apache Kafka or Airflow. Real-time ETL.
We build for every business type.
Healthcare
Fintech
Ecommerce
SaaS
Logistics
Why You Need Leading API Integration Development Consultants
Disconnected systems cost you time, money, and data accuracy.
When your CRM, ERP, and payment systems don't talk to each other, your team spends hours manually transferring data. A single API integration can save 20+ hours per week by automating order sync, customer updates, and invoice generation. IRPR builds integrations that handle 10,000+ transactions per hour with automatic retry and error logging.
We use Node.js, Python, and Go for backend services, with PostgreSQL or MongoDB for data storage. Every integration includes monitoring via Datadog or New Relic, and we set up alerts for failed transactions. Our clients see a 40% reduction in manual data entry within the first month.
The Difference Between IRPR and Generic Dev Shops
Not all API consultants deliver the same quality.
Generic dev shops often start coding without a clear roadmap. They use hourly billing, which means you pay for their learning curve. They skip documentation and monitoring, leaving you with a fragile integration that breaks when APIs change.
IRPR starts with a 2-week Roadmap phase where we define every endpoint, data model, and error scenario. We give you a fixed price and a timeline. Every integration ships with automated tests, CI/CD pipelines, and a runbook for your team.
- Hourly billing with no cap
- No roadmap before coding
- No automated tests
- No monitoring or alerts
- No documentation
- You don't own the source code
- Fixed price from $80K
- 2-week Roadmap phase
- Automated test suite with 90%+ coverage
- Datadog monitoring and PagerDuty alerts
- OpenAPI documentation and Postman collections
- Full source code ownership
Our API Integration Development Process
We follow a proven 4-phase process to deliver reliable integrations.
Every project starts with a discovery call where we map your existing systems and identify integration points. We then move into the Roadmap phase, where we define the architecture, data flow, and compliance requirements.
The Product phase is where we build the integration with daily standups and weekly demos. Finally, the Release phase includes deployment, monitoring setup, and a handoff session with your team.
What Ships With Every API Integration
Every integration includes these deliverables by default.
We don't just hand over code. Every project includes the tools your team needs to maintain and extend the integration. You get full ownership of everything we build.
- Source code in your GitHub or GitLab repo
- CI/CD pipeline with GitHub Actions or GitLab CI
- Automated test suite with 90%+ coverage
- OpenAPI 3.0 specification
- Postman collection for manual testing
- Datadog or New Relic monitoring dashboard
- PagerDuty alerting for failed transactions
- Runbook with incident response steps
- 2-hour team training session
- 12-month warranty on integration bugs
What we ship in this practice.
Salesforce to NetSuite Integration
Built a real-time sync between Salesforce and NetSuite for a manufacturing company. Orders, invoices, and inventory update automatically. Reduced manual data entry by 8 hours per week. Tech stack: Node.js, Salesforce REST API, NetSuite SOAP API, PostgreSQL.
Stripe to QuickBooks Integration
Developed a payment-to-accounting sync for a SaaS company. Every Stripe charge creates a QuickBooks invoice and reconciles payouts. Saved the finance team 15 hours per month. Tech stack: Python, Stripe API, QuickBooks Online API, Celery.
Epic EHR to Patient Portal Integration
Connected Epic EHR with a custom patient portal for a hospital network. Patients can view lab results, schedule appointments, and message providers. HIPAA compliant with audit logs. Tech stack: Go, FHIR API, React, AWS.
Shopify to Warehouse Management Integration
Integrated Shopify with a warehouse management system for an ecommerce brand. Orders flow automatically to the warehouse, and tracking numbers sync back. Reduced order processing time from 4 hours to 15 minutes daily. Tech stack: Node.js, Shopify REST API, WMS API, Redis.
Plaid to Accounting Platform Integration
Built a bank feed integration for a fintech startup. Users connect their bank accounts via Plaid, and transactions sync to the accounting platform. PCI-DSS compliant. Tech stack: Python, Plaid API, GraphQL, PostgreSQL.
HubSpot to Mailchimp Integration
Created a two-way sync between HubSpot and Mailchimp for a marketing agency. Contacts, lists, and campaign data stay consistent across both platforms. Reduced duplicate data by 30%. Tech stack: Node.js, HubSpot API, Mailchimp API, MongoDB.
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 cost before we write a line of code.
Senior engineers only
Our team has an average of 10+ years of experience. Every engineer has shipped production API integrations for Fortune 500 companies. No junior developers, no offshore teams.
Compliance built in
We build HIPAA, PCI-DSS, and SOC 2 compliant integrations. Our code includes audit logs, encryption at rest and in transit, and role-based access control. We pass compliance audits.
Full source code ownership
You own everything we build. Source code, documentation, tests, and infrastructure scripts. No licensing fees, no vendor lock-in. You can take the code to any team.
12-week delivery guarantee
We ship MVPs in 8-12 weeks. Our process is optimized for speed without sacrificing quality. 98% of our projects deliver on time.
Post-launch support included
Every integration comes with 12 months of bug fixes and monitoring. We don't disappear after launch. Your team gets priority support via Slack and email.
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.