Enterprise Integration Services

Enterprise Integration, APIs & Cloud Modernization

We help regulated and mid-market companies connect mission-critical systems, modernize legacy integrations and establish secure API governance.

Explore Integration Services
API-first architecture Integration governance Nearshore collaboration aligned with US hours
ERP
CRM
API Gateway
Cloud
Payments
Data Sync
Business outcome

Reduce integration risk while keeping operations moving

4UIT helps technology leaders turn fragile system connections into governed, observable and maintainable integration architecture.

Lower operational risk

Replace fragile scripts and unclear ownership with documented flows, controls and support routines.

Faster onboarding

Bring partners, systems and internal teams online faster with reusable APIs and integration patterns.

Governed change

Make versioning, documentation, security and lifecycle decisions visible before they become production issues.

Continuity after launch

Keep integrations reliable with monitoring, runbooks, ownership and continuous improvement.

The integration problem

Disconnected systems slow every department down

Disconnected business systems create manual data movement, slow onboarding, unclear ownership and operational risk that compounds with every change.

Critical systems are disconnected

ERP, CRM, finance, healthcare, partner and internal platforms do not share data reliably, so teams work from different versions of the truth.

Manual data movement slows the business

Copy, paste, CSV exports and repeated reconciliation create delays, errors and avoidable labor cost.

Point-to-point integrations become fragile

One-off scripts and undocumented dependencies make every vendor, system or process change risky.

APIs and ownership are unclear

Undocumented APIs, missing contracts and unclear operational ownership make support and change management harder.

Security and observability gaps stay hidden

Weak authentication, missing audit trails and limited monitoring increase exposure when data crosses systems.

Legacy platforms block modernization

Older middleware and applications still run critical workflows, but lack the governance needed for modern digital operations.

What we build

Specialized integration services from architecture through operation

We combine advisory, implementation and support so integration decisions are governed, documented and maintainable beyond go-live.

Enterprise API Development

REST APIs, SOAP services, API-first design, OpenAPI documentation, versioning and security standards for critical integrations.

API Gateway & Governance

Policies, authentication, traffic controls, lifecycle management, observability and governance across API gateway platforms.

Legacy Integration Modernization

Incrementally modernize legacy middleware, applications and data flows without forcing unnecessary replacement.

Cloud & Hybrid Integration

Secure integration between cloud applications, on-premise systems, partners and enterprise platforms.

Integration Architecture Advisory

Architecture assessment, target-state design, modernization roadmap, governance model and senior technical oversight.

Managed Integration Support

Monitoring, maintenance, documentation, continuous improvement and operational support for live integrations.

API Gateway & API Management

API Gateway & API Management Expertise

4UIT designs, implements and governs API environments across Axway API Gateway, AWS API Gateway, Apigee, WSO2 API Manager and CA API Management. Our architecture-led approach covers security policies, authentication, traffic management, lifecycle governance, observability, documentation and integration with cloud, hybrid and legacy systems.

Centralized API governance
Authentication and authorization policies
Traffic control and rate limiting
API lifecycle and versioning
OpenAPI-first contract design
Monitoring and observability
Legacy service exposure
Cloud and hybrid connectivity
Partner and application onboarding
Migration and modernization planning

Axway API Gateway & API Manager

Policy-driven runtime governance for enterprise and legacy environments.

AWS API Gateway

REST exposure, Lambda-based serverless integration and throttling.

Apigee

API proxy management, traffic policies and analytics-driven governance.

WSO2 API Manager

Publishing, gateway policies and developer enablement.

CA API Management (CA API Gateway)

Access control and legacy integration exposure.

Integration & Middleware

Middleware and Event-Driven Integration

Beyond the API layer, we connect systems using enterprise middleware, message brokers, serverless functions and event-driven patterns.

REST
SOAP
OpenAPI/Swagger
IBM Integration Bus (IIB)
IBM App Connect
IBM App Connect Enterprise (ACE)
WebSphere Message Broker
Apache Camel
AWS Lambda
Google Cloud Functions
IBM MQ
RabbitMQ
Pub/Sub

Middleware and event-driven platforms handle system-to-system integration; API gateways govern how those capabilities are exposed, secured and consumed as APIs.

Industries

Focused on regulated and mission-critical environments

Priority sectors include financial services, insurance, healthcare, life sciences and organizations operating critical legacy systems. We also support logistics, manufacturing, SaaS and other complex operations.

Healthcare

Life Sciences

Financial Services

Insurance

Manufacturing

Logistics

SaaS

Retail

Methodology

A delivery process designed for clarity, governance and continuity

We move from business context to architecture, implementation and operation with documented decisions at every stage.

01

Assess business impact and risk

Clarify the business outcome, systems involved, operational owners, security constraints and failure impact.

02

Design target architecture

Define API contracts, integration patterns, gateway policies, data ownership and delivery sequencing.

03

Build governed interfaces

Implement APIs, adapters, middleware, queues and automation with tests, logs and versioning.

04

Validate operations

Test data quality, failure paths, access controls, partner onboarding and handoff responsibilities.

05

Deploy with observability

Launch with monitoring, alerts, runbooks, rollback paths and production ownership defined.

06

Support and improve

Maintain documentation, resolve issues, tune performance and plan the next modernization wave.

Delivery timeline

From assessment to ongoing operation with clear checkpoints

1

Week 1: Discovery

Confirm goals, systems, stakeholders, constraints and success criteria.

2

Week 2: Architecture

Define integration patterns, data contracts, security assumptions and delivery plan.

3

Weeks 3-4: Build

Implement the first high-priority flows with tests, logs and deployment automation.

4

Weeks 5-6: Validate

Run UAT, reconcile data and tune edge cases with real business users.

5

Launch

Deploy with monitoring, alerts, rollback plans and stakeholder handoff.

6

Stabilize and expand

Support production, document lessons and plan the next integration wave.

Engagement models

Engagement models matched to integration maturity

Start with assessment, architecture, implementation, fractional leadership, managed support or a specialist team assembled according to scope.

We avoid one-size-fits-all staffing. Scope, systems, risk and timeline determine the right level of senior architecture leadership and delivery capacity.

Assessment, architecture and projects
Assessment

Enterprise Integration Architecture Assessment

A focused entry engagement for companies that need clarity before committing to implementation.

Deliverables
  • Current-state architecture review
  • System and data-flow mapping
  • Integration risk analysis
  • API and governance gap analysis
  • Prioritized modernization roadmap
  • Executive recommendations and high-level estimate
$15,000
Fixed-fee architecture assessment
Credit available

There is no obligation to hire 4UIT for implementation after the assessment.

Start assessment
Strategy

Integration Strategy & Architecture

Target architecture, API governance and delivery planning for environments with multiple systems, owners or risk constraints.

Deliverables
  • Detailed target architecture
  • API and data contract design
  • Security and access model
  • Proof-of-concept integration
  • Delivery backlog and sequencing
  • Budget and resource plan
Starting at
$30,000
Plan the blueprint
Most Popular
Implementation

Enterprise Integration Project

Scoped delivery to build, test and launch priority APIs, gateways, middleware or modernization flows with production controls.

Deliverables
  • API, middleware or workflow implementation
  • Cloud infrastructure and deployment setup
  • Data validation, retries and alerts
  • User acceptance testing support
  • Documentation and handoff
  • Go-live and stabilization support
Engagements typically start at
$95,000
Scope implementation
Advisory, support and specialist capacity
Specialist team

Dedicated Specialist Team

A focused nearshore team assembled according to scope for organizations with a continuous integration and modernization backlog.

Deliverables
  • Team composition matched to scope
  • Senior architecture leadership
  • API, gateway, cloud and modernization delivery
  • Delivery cadence and backlog planning
  • Documentation and governance routines
  • Operational support coordination
Starting at
$35,000/month
Advisory

Fractional Integration Architect

Senior architecture guidance, reviews and escalation support for internal teams responsible for integration delivery.

Deliverables
  • Architecture reviews and design sessions
  • API, security and cloud guidance
  • Code and implementation review
  • Vendor and platform evaluation
  • Incident and escalation advisory
  • Monthly roadmap recommendations
Starting at
$15,000/month
Discuss advisory
Managed support

Managed Integration Support

Ongoing monitoring, maintenance and improvement for integrations that are already in production or nearing launch.

Deliverables
  • Monitoring and issue triage
  • Maintenance and minor enhancements
  • Runbook and documentation updates
  • API lifecycle and change support
  • Reliability and observability improvements
  • Regular technical review cadence
Starting at
$12,500/month
Scoped to integration footprint and operational requirements.
Discuss support
Pricing note

Final pricing depends on systems, security requirements, data volume, timeline and support scope. Software licenses and third-party fees are not included.

Operational experience across complex industries

Experience supporting regulated and operationally complex organizations

The logos shown reflect organizations and sectors where 4UIT has supported technology initiatives. They are not presented as enterprise integration case claims unless separately approved.

Fiocruz
Unimed Limeira
Yusen Logistics
Santa Casa de Misericórdia de Passos
DBR Biotech
MedSênior
Medicar
Bio Transportes
Metta Brasil Logística
Barra do Rio Terminal
ASTM Transportes
Centro de Criogenia Brasil
CordVida
Criogênesis
Pro-Seed
Fertilitat
Mater Lab
Ibrra Medicina Reprodutiva
Conceber
Reproduce Clínica
ProFam
La Vie Legacy Labs
LAB Saúde Reprodutiva
Projeto Alfa
HNIPO
ABS
Globoaves
Mission-critical workflow experience Regulated and data-sensitive environments Architecture and operational continuity focus
Why 4UIT

Senior architecture leadership behind every engagement

Every engagement is guided by senior integration specialists experienced in designing, governing and operating mission-critical APIs and integration platforms.

Senior-level architecture leadership

Architecture decisions are led by specialists who can connect business risk, technical design and delivery execution.

Regulated environment experience

Our approach reflects the realities of data sensitivity, uptime expectations and auditability in complex industries.

Security and governance by design

Authentication, policies, ownership, lifecycle controls and documentation are designed into the integration layer.

Nearshore collaboration

Work with specialist teams aligned to US business hours for faster decisions and practical delivery cadence.

API-first delivery

Contracts, versioning and documentation come before code so integrations remain maintainable.

Lifecycle support

Assessment, implementation, monitoring and continuous improvement stay connected instead of becoming handoff gaps.

Enterprise Integration Architecture Assessment

Find the safest path to connected systems

Use the assessment to clarify systems, data flows, risks, governance gaps and modernization priorities before committing to implementation.

Current-state review
Systems, data flows, ownership, risk and API gaps.
No implementation obligation
Use the findings whether or not 4UIT builds the next phase.
Executive recommendations
Roadmap, priorities and a high-level implementation estimate.

Discuss your integration architecture

Tell us what is disconnected, fragile or hard to govern. We will help you identify a practical next step.

You will usually hear back within one business day.

Tell us about your project