Application Integration on AWS: The Essence
Application integration on AWS connects your systems through point-to-point API communication or through message- and event-driven workflows — using the right AWS services for the job.
- The key AWS services behind this include Amazon SNS, Amazon SQS, Amazon API Gateway, AWS EventBridge, and more — each chosen based on what your specific setup actually needs.
- A typical integration project moves through three phases: understanding the apps you’re connecting, designing how they’ll work together, and then building and testing the whole thing.
- With 132 IT professionals and experience across 30+ industries, INNERLUXES helps you build AWS integrations that are secure, reliable, and easy to maintain long after launch.
Steps of Application Integration on AWS
Every integration project is a little different — the number of apps, their complexity, the integration style you choose, and how much legacy code needs updating all play a role. Here’s how INNERLUXES typically handles it.
1. Analyzing the Applications
Duration: ~1–3 weeks
- Mapping the architecture, APIs, and technical constraints of each app you want to connect.
- Estimating the investment required and the real business value your integration can deliver.
- Defining success metrics upfront — faster order processing, fewer errors, or lower infrastructure costs.
2. Designing the Integrated System
Duration: ~1–3 weeks
- Identifying available APIs and organizing them into a clean, usable repository.
- Mapping business workflows and spotting exactly where integration needs to happen.
- Designing data flows, format transformations, security layers, and performance expectations.
- Choosing the right integration approach — API-based, event-driven, or message-based.
- Flagging any code changes required in the apps being connected.
3. Implementing and Testing
Duration: depends on approach and complexity
- Making the necessary code-level updates to each application being connected.
- Connecting apps via APIs (API Gateway, AppSync, AppFlow), message queues (SNS, SQS, MQ, EventBridge), or workflow orchestration (Step Functions).
- Setting up logging and monitoring via Amazon CloudWatch and AWS X-Ray.
- Running thorough integration testing: data consistency, failover, performance, scalability, and security.
Note: App modernization, if needed before integration, can take anywhere from 2–3 weeks to 2–3 months depending on the legacy complexity involved.
INNERLUXES’s Offering in AWS-based Application Integration
From strategy and architecture to full implementation and ongoing support, we cover every dimension of AWS application integration — so you get a working, production-grade solution, not just a proof of concept.
AWS Integration Consulting
Defining the business and technical requirements for your integrated system. Designing the integration architecture from the ground up. Planning the changes your apps will need to support integration. Ensuring compliance with HIPAA, HITECH, SOC2, SOC3, and more.
Integration Implementation
Full requirements and infrastructure analysis before a single line of code is written. Architecture design tailored to your systems. App modernization where needed. End-to-end integration development, implementation, and testing. Post-launch support and user training.
API-Based Integration
Using Amazon API Gateway, AWS AppSync, and Amazon AppFlow. Designing APIs where they don’t exist. Publishing, documenting, and configuring call limits, authentication, monitoring, and usage analytics for your APIs.
Message & Event Integration
Using Amazon SNS, SQS, MQ, EventBridge, MSK, and Kinesis. Building or selecting the right adapters. Setting routing rules, message formats, and delivery sequences so everything lands where it should.
Workflow-Based Integration
Using AWS Step Functions to connect your apps and AWS services into one unified solution via a visual drag-and-drop builder. Setting up CloudWatch and X-Ray logging and monitoring to keep tabs on performance.
Testing & QA
Running thorough integration testing covering all one-way, two-way, and async queries; failover and recovery scenarios; and performance, scalability, and security validation across the full integrated solution.
Post-Launch Support
Ongoing management and evolution of your integrated system — whenever you need it. Monitoring, incident response, and continuous improvement to keep your integration healthy long after go-live.
Nadia Khan
Cloud Solution Architect
at INNERLUXES
“For high-quality AWS integrations, we validate every data flow — one-way, two-way, and async — plus failover and recovery scenarios. Automated testing handles performance and security layers, while manual verification covers the business-critical paths where correctness truly matters.
Selected AWS Projects by InnerLuxes
Costs of Application Integration on AWS
Every integration project is scoped individually — your cost depends on the integration approach, number of apps, workflow complexity, and whether ready-made APIs are available or need to be built from scratch.
Here are the key cost factors to understand before you request a quote.
Integration approach chosen (point-to-point, mediated, or workflow-based), number of apps connected, and workflow complexity (codeless, low-code, or fully custom).
Costs scale with volume of operations (messages, events, API calls), size of messages processed, and use of premium features like FIFO ordering or message deduplication.
Any downtime or slowdowns during the integration rollout, and training time for your business users on the new connected workflows.
Benefits of Application Integration with INNERLUXES
From first analysis to post-launch evolution, we bring the people, processes, and AWS expertise that turn your integration project into a competitive advantage.
Data quality assurance
We put data governance rules, error handling, message verification, and rollback mechanisms in place from the start — so your data stays clean and consistent across every connected system.
Advanced integration security
Fine-grained access controls, industry-standard authentication protocols, and smart outbound connection rules keep your data locked down at every layer of the integrated system.
System performance management
Thoughtful capacity planning, scalable architecture, smart queuing, caching strategies, and real load and latency testing before you go live — so your integration performs under pressure.
Optimal integration journey
Before anything gets built, we run a feasibility study — technical, economic, and operational — so you know the project is worth your investment and which path gives you the most value.
Fast project kick-off
We typically start within 1–2 weeks of alignment. With 132 IT professionals available, we assemble the right team for your project quickly, without compromising on expertise.
30+ industries served
We understand your domain, not just your tech stack. From fintech to healthcare to logistics, our architects bring domain knowledge that shapes better integration decisions.
AWS Services for Application Integration
We pair the right AWS service with the right problem — not the trendiest one. Here’s an overview of the core services we work with.
Amazon SNS (Simple Notification Service)
Best for: High-volume, push-based messaging between serverless functions, queues, and distributed systems.
- Dead-letter queues to catch undeliverable messages.
- Auto-scaling up to millions of messages per second.
- FIFO topics for strict message ordering with zero duplicates.
- Message filtering and fanout for targeted delivery.
Pricing: Standard topics: first 1M requests/month free; $0.50 per 1M after. FIFO topics: $0.30 per 1M publish requests + $0.017/GB payload.
Amazon SQS (Simple Queue Service)
Best for: Reliable message passing between system components at any volume — no dependency on other services being live.
- Standard queues for maximum throughput and best-effort ordering.
- FIFO queues for exact-once, in-order message processing.
- Automatic scaling through listener count, thread count, or action batching.
- Server-side encryption (SSE) for sensitive data exchanges.
Pricing: 1M requests/month free. Standard: ~$0.40/1M. FIFO: ~$0.50/1M requests.
AWS API Gateway
Best for: Building, managing, and operating APIs at scale.
- Visual dashboards to monitor API calls in real time.
- Amazon CloudWatch integration for tracking latency, error rates, and call volume.
- Throttling and caching to protect performance under load.
- Granular access permissions and API key management.
- Simultaneous multi-version support so older integrations don’t break when you ship updates.
Pricing: Free tier: 1M HTTP API calls, 1M REST API calls, 1M messages, and 750K connection minutes/month for up to 12 months.
AWS EventBridge, MSK & Kinesis
Best for: Event-driven architectures and real-time data streaming across distributed systems.
- EventBridge for event routing between AWS services and third-party apps.
- Amazon MSK (Managed Streaming for Kafka) for high-throughput event streaming.
- Kinesis for real-time data ingestion and analytics pipelines.
AWS Step Functions
Best for: Orchestrating multi-step business workflows across apps and AWS services.
- Visual drag-and-drop workflow builder.
- Built-in error handling, retries, and parallel execution.
- Native integration with Lambda, ECS, DynamoDB, SNS, SQS, and more.
- Full audit trail via CloudWatch Logs and X-Ray tracing.
Amazon AppFlow & AWS AppSync
Best for: No-code and low-code data flows between AWS services and SaaS applications.
- AppFlow for secure, managed data transfers between Salesforce, SAP, and other SaaS apps.
- AppSync for managed GraphQL APIs with real-time data synchronization.
- Both support fine-grained field-level data transformation and filtering.
Skills and Roles for the AWS Integration Project
A successful AWS integration requires a cross-functional team — each role contributing at a different layer of the project.
Leadership & Strategy
- Project Manager — owns delivery timeline, budget, and stakeholder communication.
- Business Analyst — gathers, prioritizes, and documents integration requirements.
- AWS Solution Architect — designs integration architecture, selects AWS services, and builds the modernization roadmap.
Technical Execution
- Developer — configures integrations using AppFlow and Step Functions; writes custom code and APIs where needed.
- DevOps Engineer — plans infrastructure, introduces CI/CD pipelines, monitors security, performance, and availability.
- QA Engineer — designs and runs full test strategy covering functional, performance, security, and compliance testing.
Sourcing Options for Your AWS Integration Project
Fully in-house
Full visibility and control. But you’ll need to hire people with specific AWS integration experience, and all recruiting and management lands on your plate.
I’m Interested →Fully outsourced *
Your vendor takes full ownership of team assembly, management, and delivery quality. Working with an AWS Partner like INNERLUXES means access to AWS discounts and proven integration frameworks.
I’m Interested →Mixed: in-house + consultancy
Your internal team brings domain and business knowledge; an external AWS consultant fills technical gaps and trains your team to own the solution long-term.
I’m Interested →* As an AWS Partner Network member, INNERLUXES can unlock additional AWS discounts on your behalf — reducing your total integration cost without cutting corners on quality or reliability.
AWS Application Integration – Q&A
We work with Amazon SNS, Amazon SQS, Amazon API Gateway, AWS EventBridge, Amazon MQ, Amazon MSK, Amazon Kinesis, AWS Step Functions, Amazon AppFlow, and AWS AppSync — choosing the right combination for your specific integration scenario.
Analysis and design each take approximately 1–3 weeks. Implementation duration depends on the integration approach, number of applications, and complexity. App modernization, if needed, can add 2–3 weeks to 2–3 months. We provide a realistic timeline at the end of the design phase.
Yes. As an AWS Partner Network member, INNERLUXES can unlock additional AWS discounts on your behalf — reducing your total integration cost without cutting corners on quality or reliability.