Professional API Integration Development ConsultantsIntegration Consultants
We connect your software stack in 8-12 weeks. Fixed price, full compliance, no surprises.
IRPR builds custom API integrations: REST, GraphQL, WebSocket, message queues like RabbitMQ and Kafka. Our professional API integration development consultants ship connectors that sync Salesforce with QuickBooks, Stripe with NetSuite, or Twilio with your internal CRM.
Every integration ships in 12-14 weeks with a fixed price between $80K and $250K. We handle HIPAA, PCI-DSS, SOC 2, and FERPA compliance. You get a 2-week Roadmap with wireframes, data flow diagrams, and a fixed quote before any code is written.
CTOs hire us when their in-house team lacks API specialization. VP of Engineering use us to unify 5+ SaaS tools. Startup founders hire us to build their first Stripe + HubSpot pipeline. We also work with system integrators who need white-label API expertise.
Types of software we ship.
CRM Integration
Sync HubSpot, Salesforce, or Zoho with your ERP or accounting platform. Two-way field mapping included.
Payment Gateway Integration
Connect Stripe, Braintree, or Adyen to your checkout flow. Supports PCI-DSS Level 1.
Ecommerce Platform Integration
Link Shopify, WooCommerce, or Magento with 3PL warehouse systems and inventory databases.
Healthcare Data Integration
Bridge EHRs like Epic or Cerner with patient portals and billing systems. HIPAA compliant.
Marketing Automation Connector
Pipe data between Mailchimp, Klaviyo, or Marketo and your product database in real-time.
ERP Integration
Sync NetSuite, SAP, or Microsoft Dynamics with Shopify, Salesforce, or custom logistics software.
Data Warehouse Integration
Feed Snowflake, BigQuery, or Redshift from 10+ source APIs. Automated ETL pipelines.
Custom Middleware API
Build a lightweight middleware layer to transform, route, and log API calls between legacy and modern systems.
We build for every business type.
Healthcare
Fintech
Ecommerce
SaaS
Logistics and Travel
Why You Need Professional API Integration Development Consultants
Point-to-point integrations break. A professional API integration consultant builds a system that scales.
Most development teams can wire two REST endpoints. But when you have 5 systems each with different authentication, rate limits, and data formats, integration becomes a full-time job. IRPR's consultants have solved this for 200+ clients. We design a data flow that handles failures, retries, and versioning without manual intervention.
A biotech startup needed to connect their lab management API (custom JSON-RPC) with Salesforce and a shipping provider. IRPR built a middleware layer with RabbitMQ queuing and PostgreSQL logging. The integration reduced manual data entry by 15 hours per week and achieved 99.9% uptime over 12 months.
Generic Dev Shop vs IRPR: The Real Difference
One builds a connector. The other builds a reliable data pipeline.
Many API integration projects fail because the development team under-estimates error handling. An API changes its response format, a token expires, a webhook drops a payload. Without proper observability, your integration silently breaks.
IRPR treats integration as a first-class product. We write unit tests, integration tests, and end-to-end tests for every API connection. We add monitoring with Datadog and Sentry from day one. You get alerts before your users notice a failure.
- Hardcodes API keys into config files
- No retry logic on rate limits
- Ignores API version changes
- No monitoring or alerting
- Scope creep on every new endpoint
- Hourly billing with no cap
- Secrets stored in AWS Secrets Manager or Vault
- Exponential backoff retry with circuit breaker
- Semantic versioning and adapters for version changes
- Datadog monitors every call, response, and latency spike
- Fixed price after 2-week Roadmap
- Full ownership of all code and documentation
Our API Integration Development Process
We follow a 5-phase process that starts with understanding your data and ends with production monitoring.
Every engagement begins with a 2-week Roadmap. We audit your existing systems, map data fields, and identify authentication methods. You get a written specification and a fixed price. No code is written until we both agree on the scope.
After Roadmap approval, we build the integration in 8-10 weeks. We deploy to a staging environment first. You test with your team. Then we push to production with full monitoring enabled. Post-launch, we provide 4 weeks of warranty support.
What Ships When You Hire IRPR's Consultants
You get more than code. You get a documented, monitored, and maintainable integration.
Every integration project includes a GitHub repository with all source code, a CI/CD pipeline using GitHub Actions that runs tests and deploys automatically, and a complete OpenAPI spec for every new API we build. Our consultants also deliver a data flow diagram and a runbook for your operations team.
- Source code in your private GitHub repo
- CI/CD pipeline with GitHub Actions and Docker
- OpenAPI 3.0 specification for new APIs
- Data flow diagram (draw.io or Lucidchart format)
- Unit tests, integration tests, E2E tests with 90%+ coverage
- Sentry error tracking and alert rules
- Datadog dashboards and monitors
- Runbook with incident response steps
- Secrets management setup (AWS Secrets Manager or HashiCorp Vault)
- Post-deployment warranty for 4 weeks
What we ship in this practice.
Unified CRM and Billing Platform
A healthcare SaaS needed to sync patient data from Salesforce to their billing system (Chargebee). IRPR built a middleware integration using Node.js, PostgreSQL, and RabbitMQ. The system reduced manual data entry by 8 hours per week and cut billing errors by 90%.
Ecommerce Order Management Connector
A 50-person ecommerce brand used Shopify, ShipStation, and QuickBooks separately. IRPR built a custom integration with Python, PostgreSQL, and Stripe Connect. Orders now flow automatically from Shopify to ShipStation for fulfillment and to QuickBooks for accounting. Order processing time dropped from 4 minutes to 10 seconds.
Real-Time Inventory Sync
A logistics company with 12 warehouses used different inventory systems. IRPR built a real-time sync using Kafka, Redis, and a custom REST API. Inventory data is now consistent across all warehouses within 2 seconds. Stockouts decreased by 35%.
Payment Gateway Migration
A fintech startup needed to migrate from Braintree to Stripe while keeping existing subscriptions active. IRPR built a dual-write integration with Node.js, PostgreSQL, and Stripe API. The migration handled 10,000 active subscriptions with zero downtime.
ERP and Salesforce Integration
A manufacturing company used Microsoft Dynamics ERP and Salesforce separately. IRPR built a bi-directional sync using Azure Functions, SQL Server, and SOAP APIs. Order data moves from ERP to Salesforce in under 1 minute. The sales team no longer enters data twice.
Telehealth Platform Integration
A telemedicine startup needed to connect Twilio Video, Epic EHR, and a custom scheduling system. IRPR built a middleware layer with Node.js, PostgreSQL, and WebSockets. The integration handles 2,000 video visits daily with 99.9% uptime.
Why teams hire us.
Fixed price after 2-week Roadmap
Every integration project starts with a 2-week Roadmap that costs $5K. At the end, you get a written spec and a fixed price. If you don't like the plan, you walk away. No hourly billing, no scope creep.
HIPAA, PCI, SOC 2 compliance built in
Our consultants have shipped integrations for healthcare (HIPAA), payments (PCI-DSS Level 1), and SaaS (SOC 2 Type II). We include compliance requirements in the Roadmap and implement controls automatically.
Real monitoring from day one
Every integration includes Datadog dashboards, Sentry error tracking, and alert rules. We monitor every API call, response time, and failure. You get a weekly report with uptime and latency metrics.
Full ownership of code and docs
You own every line of code. We transfer all repositories, documentation, and credentials at project end. No licensing fees, no vendor lock-in.
200+ integrations shipped
IRPR has built integrations for CRM, ERP, payment gateways, EHR systems, inventory management, and more. We have reusable patterns for common problems like rate limiting, token refresh, and webhook deduplication.
Senior engineers only
Every project is staffed with engineers who have 8+ years of experience. No junior devs, no offshoring. Your point of contact is the same engineer who writes the code.
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.