
System Integration That Keeps Your Data Consistent and Workflows Automated
Connect your SaaS tools, CRMs, ERPs, and legacy systems with robust, monitored integration layers.
Sound familiar?
Data siloed across disconnected systems
Your team manually exports and re-enters data between CRM, ERP, and databases. Hours of work every week, and errors still creep in.
Fragile point-to-point integrations breaking
Every API change from a SaaS vendor breaks your integration. You spend more time fixing pipelines than building new features.
Manual processes slowing operations
Workflows that should be automated require human intervention at every step. Your team is executing data entry, not driving value.
What You Get
API-first integration design with documented contracts
Event-driven architecture (Kafka, RabbitMQ, SQS)
iPaaS platform setup (MuleSoft, Boomi, n8n, Zapier Enterprise)
Legacy system adapters and ETL pipelines
Real-time data sync with conflict resolution
Error handling, retry logic, and dead-letter queues
Monitoring dashboards for integration health and throughput
Full documentation and runbooks for your engineering team
Service Breakdown
RESTful and GraphQL API integrations between your systems — with authentication, rate limiting, error handling, and comprehensive monitoring.
Kafka, RabbitMQ, and AWS SQS event streaming pipelines that decouple your systems and enable real-time data flow at scale.
Extract, transform, and load pipelines that move and normalize data between databases, warehouses, and SaaS platforms reliably.
Setup and configuration of integration platforms (n8n, MuleSoft, Boomi) for teams that need visual integration workflows with enterprise governance.
Custom adapters and connectors for legacy on-premise systems, SOAP services, mainframe exports, and proprietary protocols.
How We Deliver

Integration Audit
Map all data sources, destinations, transformation requirements, and current pain points. Identify the highest-priority integrations and define success metrics.
Architecture Design
Select the right integration pattern (point-to-point, hub-and-spoke, ESB, or event-driven) and design for reliability, scalability, and observability.
Build & Test
Implement integrations with full error handling, idempotency, and retry logic. Test with realistic data volumes including edge cases and failure scenarios.
Deploy & Monitor
Production deployment with monitoring dashboards, alerting, and runbooks. Ongoing support for schema changes and new integration requirements.
Tech Stack
Backend
DevOps / Cloud
Data
Other
Case Studies
“InApps assembled a 6-person team in 2 weeks. They hit the ground running and delivered like they'd been with us from day one.”
CTO, US SaaS Platform
Series B · 150-person company
InApps vs. The Alternatives
| Criterion | InApps | In-House |
|---|---|---|
| Cost | 60–70% lower than US/EU | Full salary + overhead |
| Speed | Team ready in 4–6 weeks | 3–6 months recruiting |
| Quality | Top 1% vetted engineers | Varies by market |
| Communication | B2+ English, async-friendly | Native, co-located |
| Flexibility | Scale up/down 30-day notice | Rigid headcount |
Frequently Asked Questions
We integrate CRMs (Salesforce, HubSpot), ERPs (SAP, NetSuite, Odoo), payment gateways (Stripe, PayPal, Adyen), data warehouses (BigQuery, Snowflake), HR platforms (Workday, BambooHR), and custom legacy systems via REST, SOAP, SFTP, or database connections.
Yes. We regularly build adapters and middleware for legacy systems that lack modern APIs — including SOAP-based systems, mainframe data exports, and proprietary database schemas.
We design integrations with idempotency, conflict resolution strategies, and event sourcing where needed. All integrations include comprehensive logging so data discrepancies can be traced and resolved.
We implement dead-letter queues, configurable retry policies, and alerting so failures surface immediately. Our runbooks define remediation steps for every common failure mode.
Trusted by Engineering Teams Across 15+ Countries
Ready to build something great?
Our solution architects will map your requirements to the right team structure and tell you honestly whether InApps is the right fit.