IT Realms
IT Realms — API & Systems Integration

Your Systems, Finally Talking to Each Other.

API design, middleware architecture, and enterprise integration services that connect your ERP, CRM, cloud platforms, and third-party services into a unified digital ecosystem — eliminating silos and manual data transfers for good.

API Gateway Management iPaaS & Middleware Legacy Modernisation
WHAT WE DO

One Ecosystem. Zero Silos.

Every organisation we work with has the same problem: critical business systems that do not talk to each other. Finance data in the ERP, customer data in the CRM, inventory in a warehouse system, and HR data in a spreadsheet — none of it connected, all of it duplicated, and staff spending hours manually transferring data between systems.

IT Realms designs and builds the integration layer that makes your entire digital ecosystem work as one. From REST API design and API gateway management to full iPaaS implementations and legacy system modernisation — we eliminate the gaps that cost your organisation time, accuracy, and competitive agility.

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API and systems integration by IT Realms
200ms
Avg. API Response Time
OUR CAPABILITIES

What We Offer

From API design and gateway management to full iPaaS implementations and event-driven architectures — we build integration layers that make your entire digital ecosystem flow as one.

API Design & Development

Designing and building clean, well-documented REST and GraphQL APIs that expose your business capabilities to internal systems, partners, and customers. OpenAPI specification, versioning strategies, authentication (OAuth 2.0/JWT), and rate limiting.

Python FastAPINode.jsOpenAPIOAuth 2.0JWTSwagger

API Gateway & Management

Centralised API gateway configuration for security, rate limiting, analytics, and developer portal management. One front door for all your APIs — monitored, secured, and documented.

Azure API ManagementAWS API GatewayKongApigee

iPaaS & Middleware Integration

Connecting enterprise systems — ERP, CRM, HRMS, e-commerce, and SaaS tools — through integration platforms that handle data transformation, routing, error handling, and retry logic.

MuleSoftAzure Logic AppsAzure Integration ServicesZapier EnterpriseMake

Legacy System Modernisation

Wrapping legacy systems with modern APIs to extend their useful life and integrate them with modern platforms — without the risk and cost of full replacement. Strangler Fig pattern, event-driven architectures, and API facades.

Custom adaptersREST wrappersEvent streamingKafka

Event-Driven Architecture

Designing systems that communicate through events rather than direct API calls — improving resilience, scalability, and decoupling between services. Message queues, event streaming, and pub/sub patterns.

Apache KafkaAzure Service BusAWS SQS/SNSRabbitMQ
HOW WE WORK

Our Process

Integration projects fail when they start from systems rather than business processes. We begin every engagement by understanding the data flows and decisions your organisation depends on — then design the integration architecture that supports them reliably, at scale, and with full observability.

STEP 01 — INTEGRATION LANDSCAPE MAPPING

We document every system in your organisation, its data model, integration points, and existing connections — producing a complete integration map that reveals gaps and redundancies.

STEP 02 — INTEGRATION ARCHITECTURE DESIGN

We design the target integration architecture — choosing the right patterns (point-to-point, hub-and-spoke, event-driven) and selecting the appropriate iPaaS or middleware platform for your scale and team.

STEP 03 — API & INTEGRATION DEVELOPMENT

Building APIs and integration flows with full error handling, logging, retry logic, and monitoring instrumentation — so integrations are observable and self-healing.

STEP 04 — TESTING & VALIDATION

End-to-end integration testing with real data volumes, failure scenario testing, performance testing under load, and security testing of all API endpoints.

STEP 05 — DOCUMENTATION & HANDOVER

Complete API documentation in OpenAPI format, integration runbooks, monitoring dashboards, and developer onboarding guides — so your team can maintain and extend integrations independently.

TECH STACK

Technologies We Master

Python FastAPI Node.js MuleSoft Azure Integration Services Azure API Management Apache Kafka AWS API Gateway Kong OAuth 2.0 OpenAPI PostgreSQL Docker
WHY IT REALMS

Why Businesses Choose Us

Eliminate Manual Data Transfers

The organisations we work with typically have staff spending 5-10 hours per week on manual data transfers between systems. Our integrations eliminate this entirely — data flows automatically, accurately, and in real time.

0 Manual Transfers After Integration

Real-Time Data Consistency

Integrated systems mean every team works from the same data at the same time. No more morning stand-ups arguing about which system has the correct figure. Our event-driven architectures ensure sub-second data consistency across all connected systems.

<1s Data Propagation Latency

Secure API Practices

Every API we build follows security best practices — OAuth 2.0 authentication, JWT validation, rate limiting, input sanitisation, and OWASP API Security Top 10 compliance. API security is not optional — it is built into every endpoint.

OWASP API Security Compliant
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Ready to Connect Your Entire Digital Ecosystem?

Tell us about your systems and we will design an integration architecture that eliminates silos and makes your data flow.

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