
API Development & System Integration
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Build Connected Enterprise Systems with Confidence
Modern enterprises rely on connected systems to streamline operations and deliver unified customer experiences. Our API development and integration services help organizations design, connect, and optimize complex ecosystems across cloud, on-premises, and hybrid environments. From custom API architecture to end-to-end integration strategy, we enable faster delivery, stronger data flow, and long-term scalability.
We Help Enterprises Overcome Complex Integration Barriers
As enterprises expand, systems often become fragmented, creating data silos and operational inefficiencies. Integrating legacy systems, third-party platforms, and emerging technologies can be costly and time-consuming without the right expertise. Improving helps organizations overcome these barriers through modern integration strategies that improve interoperability, performance, and business agility.
Key Challenges We Solve
Legacy System Compatibility
Data Silos & Data Inconsistency
Poor API Security Controls
Slow Integration Timelines
Limited Scalability
Comprehensive API & Integration Solutions
Our integration specialists design solutions that unify data, accelerate processes, and improve collaboration across enterprise systems. By leveraging best-in-class API frameworks, middleware, and event-driven architectures, we deliver secure, reliable, and future-ready connections. Whether you’re modernizing your API layer or integrating SaaS applications, our experts ensure every connection drives measurable business value.

API Strategy & Architecture
Build a strong foundation for scalable integrations with modern API frameworks. We design and document REST, GraphQL, and event-driven APIs tailored to enterprise needs.
REST API Design
GraphQL Implementation
API Gateway Configuration
Documentation & Governance
And More!

System & Data Integration
Seamlessly connect enterprise systems for unified data flow and efficiency. We handle cloud, on-premises, and hybrid integration scenarios with middleware and iPaaS tools.
ERP & CRM Integration
Cloud-On-Prem Bridge
ETL & Data Sync
iPaaS Enablement
And More!

API Management & Security
Protect your API ecosystem with robust management solutions. We implement access control, analytics, and lifecycle management for enterprise-grade governance.
Authentication & Authorization
Rate Limiting & Throttling
API Analytics & Logging
Lifecycle Management
And More!

Legacy Modernization & Migration
Transform aging integrations into modern, maintainable solutions. We re-engineer outdated APIs and replace brittle point-to-point connections with scalable architectures.
SOAP-to-REST Conversion
Service Re-Engineering
Platform Migration
Cloud-Native Rebuilds
And More!

Event-Driven Integration
Enable real-time responsiveness through asynchronous, event-based data flow. We design systems that react instantly to business triggers and accelerate decision-making.
Kafka Stream Integration
Webhooks & Events
Real-Time Data Processing
Async Orchestration
And More!

Developer Enablement & Support
Empower your internal teams with the tools, documentation, and support they need. We provide governance frameworks and developer portals to simplify collaboration.
API Developer Portals
Version Control Guidelines
Sandbox Environments
CI/CD Integration
And More!

Can’t Find the Integration You Need?
Let’s discuss your unique environment and build a custom integration strategy aligned with your business goals.
Flexible Delivery Models for Seamless Execution
Our teams adapt to your delivery preferences, providing full-scale development, embedded teams, or managed integration solutions. Whether you need rapid deployment or long-term partnership, we align to your operational model for maximum impact.
Project-Based Delivery
What We Provide: End-to-end API or integration projects from planning through deployment.
Best For: Businesses needing complete ownership and predictable timelines.
Managed Development Teams
What We Provide: Dedicated, cross-functional teams managing integration development and support.
Best For: Enterprises seeking continuous evolution and hands-off scalability.
Staff Augmentation
What We Provide: Skilled integration engineers, architects, and developers who embed directly with your team.
Best For: Organizations needing flexible expertise to accelerate in-house efforts.
Our Proven 5D Integration Methodology
Every API and integration engagement follows Improving’s structured 5D methodology designed to ensure predictable, high-quality delivery. This approach creates transparency, mitigates risk, and provides repeatable success for complex enterprise environments.
1. Discover
We begin by assessing your current systems, identifying integration gaps, and defining measurable goals. This phase ensures every API or system connection aligns with business priorities and technical feasibility.
2. Design
Our architects craft secure and scalable blueprints, outlining data flows, governance models, and infrastructure requirements. This design phase establishes a reliable foundation for seamless, future-ready integrations.
3. Develop
Our engineers build, test, and refine APIs and connectors using modern frameworks and best-practice coding standards. We emphasize modular design and documentation to streamline ongoing maintenance.
4. Demonstrate
Before deployment, we rigorously validate performance, security, and interoperability across systems. Each integration is benchmarked to confirm compliance and readiness for real-world usage.
5. Deploy
We oversee go-live with zero disruption to business operations and ensure proper monitoring and governance are in place. Post-deployment, our team provides continuous optimization and knowledge transfer for sustained success.
Proven Results with API Development & Integration
Our client solutions showcase how modern integration delivers measurable value. From streamlining enterprise workflows to enabling real-time analytics, we help organizations connect technologies that move business forward.

Thrivent Enterprise Integration Datastore
Improving partnered with Thrivent to develop the Thrivent Enterprise Integration Datastore (TEID), consolidating data from multiple systems to enhance accessibility, enable real-time updates, and improve user experiences across digital platforms.
Confluent
Kafka
AWS

Kafka Middleware Modernization & Integration
Westfield Insurance partnered with Improving to modernize their middleware using Confluent Kafka on AWS, enabling scalable data streaming, self-service APIs, and faster development cycles while empowering internal teams through training and automation.
Confluent
AWS
Terraform
Why Enterprises Choose Improving for Integration Services
Our team combines deep technical knowledge with decades of enterprise delivery experience. We partner closely with clients to modernize legacy systems, secure integrations, and accelerate digital transformation at scale.





20+ years of enterprise integration expertise
End-to-end delivery from design to deployment
Proven frameworks for API governance and security
Certified architects across all major cloud platforms
Deep experience modernizing legacy system architectures

Ready to Connect Your Systems?
Talk to our integration experts today to start building faster, more connected enterprise solutions tailored to your environment.
Strategic Partners That Strengthen Every Integration
Our partnerships with leading technology providers allow us to deliver flexible, secure, and cloud-ready integrations for every business scenario. These collaborations ensure clients benefit from the latest advancements in performance, scalability, and reliability.
Comprehensive Technology Stack for API Development
We are platform-agnostic and adapt to your preferred environment, ensuring the best tools are selected for each project. Our experts deliver integration and API solutions across all major clouds, frameworks, and DevOps ecosystems.

Integration Frameworks
Apache Camel
Azure Logic Apps
Dell Boomi
MuleSoft
Spring Boot
Workato
WSO2 API Manager
Zapier

API Management
AWS API Gateway
Azure API Management
Google Apigee
Kong
NGINX
Postman

Cloud Platforms
Amazon Web Services (AWS)
AWS EC2
AWS Elastic Kubernetes Service (EKS)
AWS Lambda
Azure App Service
Azure Functions
Azure Kubernetes Service
Microsoft Azure
GCP Kubernetes Engine
Google Cloud Platform (GCP)
Google Cloud Run
Google Compute Engine

Streaming & Real-Time Data
Amazon Kinesis
Apache Flink
Apache Kafka
Apache Pulsar
Apache Spark
Azure Event Hubs
Confluent
Pub/Sub
Redpanda

CI/CD & DevOps
Ansible
AWS CloudFormation
AWS CodePipeline
Azure DevOps
CircleCI
GitHub Actions
GitLab CI/CD
Jenkins
Terraform
Enhance Your Ecosystem Beyond Integration
Our capabilities extend beyond integration to cover the full spectrum of software modernization. Explore complementary services that help you innovate faster and optimize connected systems across your enterprise.
Explore Insights on Integration and Connectivity
Stay up to date with the latest integration trends, API design practices, and enterprise modernization strategies from Improving’s experts.
Let’s Build Your Next Integration Together
Connect with our team to discuss your goals and challenges. We’ll help you design a solution that strengthens your technology ecosystem and drives measurable business outcomes.
Headquarters: 5445 Legacy Drive #100 Plano, TX 75024
Call: (214) 613-4444
Email: sales@improving.com
Locations: View All →
Frequently Asked Questions About API Development & Integration
Learn more about how our API and integration services support secure, efficient, and scalable enterprise connectivity.
What types of integrations does Improving support?
We support integrations across cloud, on-premises, and hybrid environments to unify enterprise systems. Our experience spans ERP, CRM, data, and SaaS platforms, helping organizations create connected digital ecosystems. Whether you need to bridge legacy systems or modern applications, we deliver seamless interoperability that drives measurable efficiency.
How does Improving ensure API security?
Our teams implement multi-layered security practices that include authentication, authorization, encryption, and monitoring. We design every API with zero-trust principles to minimize exposure and mitigate risk. Continuous audits and proactive governance ensure compliance with industry standards and long-term protection.
Can you modernize our existing legacy APIs?
Yes, our experts specialize in re-engineering outdated SOAP or custom integrations into modern, RESTful architectures. We enhance performance, scalability, and maintainability while preserving critical business logic. By modernizing your API layer, we help reduce technical debt and improve long-term agility.
How long does a typical integration project take?
Project timelines depend on complexity, scope, and system readiness. Smaller API implementations can be completed in weeks, while enterprise-scale integrations may take several months. Our iterative delivery model ensures value is realized early and continuously throughout the engagement.