Best API Integration Development CompanyIntegration Development
We connect your systems with custom API integrations. 200+ products shipped with 99.9% uptime.
IRPR builds custom API integrations that connect your apps, data sources, and third-party services. We use REST, GraphQL, SOAP, and Webhooks to create reliable, secure middleware with Node.js, Python, or Go backends.
Every integration project ships in 8-12 weeks with a fixed price between $80K and $250K. We maintain HIPAA, PCI-DSS, and SOC 2 compliance for healthcare, fintech, and enterprise clients. Our code passes automated security scans and load tests before release.
CTOs hire us to unify fragmented systems without hiring a full-time team. Product managers work with us to automate data flows between CRM, ERP, and marketing tools. Founders engage us to build payment or shipping connectors that scale from day one.
Types of software we ship.
API Gateway Development
Centralize authentication, rate limiting, and routing with Kong or AWS API Gateway. 200+ microservices connected.
Custom API Middleware
Transform and route data between legacy systems and modern apps using Apache Camel or custom Node.js services.
Third-Party API Connectors
Pre-built connectors for Salesforce, HubSpot, Stripe, and 50+ other platforms. Deploy in days, not weeks.
Data Synchronization APIs
Sync customer, order, and inventory data bi-directionally. Use CDC patterns with Debezium and Kafka.
Payment Gateway Integration
Connect Stripe, Braintree, Adyen, or custom payment processors. PCI-DSS Level 1 compliant out of the box.
CRM Integration APIs
Sync leads, contacts, and deals between Salesforce, HubSpot, and Zoho. Use OAuth 2.0 and webhooks for real-time updates.
ERP Integration APIs
Connect NetSuite, SAP, or Microsoft Dynamics with ecommerce and billing systems. Reduce manual data entry by 10 hours/week.
IoT API Integration
Ingest sensor data from MQTT brokers and cloud IoT cores. Process and expose via REST endpoints for dashboards.
We build for every business type.
E-commerce
Healthcare
Fintech
SaaS
Logistics
Why IRPR is the best API integration development company
We ship integrations faster and safer than generic agencies.
IRPR has built 200+ API integrations for clients across 50 countries. Every project uses our 4-phase framework: Idea, Roadmap, Product, Release. We deliver a working integration in 8-12 weeks with a fixed price.
Our engineers have deep experience with REST, GraphQL, SOAP, and event-driven architectures. We enforce security standards like OAuth 2.0, API keys, mTLS, and JWT tokens. Production integrations maintain 99.9% uptime with automated monitoring.
How IRPR differs from generic API development shops
Most agencies over-promise and under-deliver. IRPR works differently.
We fix every project price during the Roadmap phase (week 2). No hourly billing means no surprise invoices. Our senior engineers write production-ready code from day one, not prototypes that get thrown away.
Generic shops often skip compliance and security. IRPR builds HIPAA, PCI-DSS, and SOC 2 into every integration. We also give you full code ownership and deploy on your infrastructure.
- No fixed price, hourly billing with scope creep
- Junior developers learning on your project
- No compliance or security reviews
- You pay for hosting and monitoring separately
- Code stays with the agency until final payment
- 6+ months for a simple connector
- Fixed price per project (no hourly bills)
- Senior engineers only (8+ years experience each)
- HIPAA, PCI-DSS, SOC 2 compliance built in
- Deploy on your AWS/GCP account with CI/CD
- Full code ownership from day one
- 8-12 week delivery for most integrations
Our 4-phase process for API integration development
We turn your integration idea into a live production system in weeks, not months.
Each API integration project follows the same proven framework. Phase 1 (Idea) maps your systems and defines data flows. Phase 2 (Roadmap) produces a fixed-price plan with wireframes and API contracts.
Phase 3 (Product) builds the middleware, tests it against your endpoints, and deploys to staging. Phase 4 (Release) includes load testing, security scans, and production deployment with monitoring.
What ships with every API integration project
You get more than just code. Every project includes everything needed to run and maintain the integration.
IRPR provides production readiness from day one. Our standard deliverable includes source code, CI/CD pipelines, API documentation, and monitoring dashboards.
- Source code in your private GitHub or GitLab repo
- CI/CD pipeline using GitHub Actions or GitLab CI
- API documentation generated with Swagger/OpenAPI
- Unit and integration tests (85%+ coverage)
- Security scan report (OWASP ZAP or Snyk)
- Deployment scripts for AWS, GCP, or Azure
- Monitoring dashboards in Datadog or Grafana
- Post-launch support for 30 days
- Encrypted secrets management (AWS Secrets Manager or HashiCorp Vault)
What we ship in this practice.
Payment Gateway Integration for SaaS Billing
Connected Stripe and Braintree to a subscription platform. Reduced checkout errors by 30% and added recurring billing support. Tech stack: Node.js, PostgreSQL, Stripe API.
Healthcare Data Exchange between EHR and Billing System
Built a HIPAA-compliant middleware to sync patient records from Epic to Athenahealth. Eliminated 15 hours/week of manual data entry. Tech stack: FHIR API, Python, AWS Lambda.
CRM Sync between Salesforce and HubSpot
Developed a bi-directional sync for leads, contacts, and deals using webhooks and OAuth 2.0. Achieved 2-second latency on updates. Tech stack: Go, Redis, Salesforce REST API.
Ecommerce Inventory Sync for Multi-Store Retailer
Connected Shopify, Magento, and a custom ERP to sync inventory levels in real time. Reduced overselling by 95%. Tech stack: Node.js, RabbitMQ, Shopify Admin API.
Shipping API Integration for Logistics Provider
Integrated UPS, FedEx, and DHL rating and tracking APIs into a single dashboard. Cut shipping label generation time from 5 minutes to 10 seconds. Tech stack: Python, FastAPI, Redis.
IoT Sensor Data Aggregation for Manufacturing
Built a REST API that ingests OPC-UA and MQTT data from factory sensors. Exposed real-time metrics to a Grafana dashboard. Reduced downtime by 18% through early anomaly detection. Tech stack: Go, TimescaleDB, Mosquitto MQTT.
Why teams hire us.
Fixed price, not hourly billing
Every API integration project gets a fixed quote during the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. You know the full cost before we write a line of code.
Senior engineers only
Our team averages 10+ years of experience building production integrations. Every engineer has worked with REST, GraphQL, and SOAP APIs across multiple industries. No juniors, no learning on your project.
Full code ownership from day one
You own all source code, documentation, and deployment scripts. We never lock you in. Your code runs in your accounts on AWS, GCP, or Azure.
Compliance built in, not bolted on
We build HIPAA, PCI-DSS, and SOC 2 compliance into every integration from the start. Our security checklist includes encryption at rest and in transit, audit logging, and role-based access.
8-12 week delivery for most projects
Our framework delivers a working integration in 8-12 weeks. We use 2-week sprints and ship incrementally. Clients often see their first connecting data flows by week 4.
200+ integrations shipped across 50 countries
We have built integrations for healthcare, fintech, ecommerce, and logistics clients from New York to Singapore. Our experience means we handle edge cases like rate limiting, retries, and idempotency.
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.