Amazon API Gateway and Lambda

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Amazon API Gateway and Lambda

APIs are key to modernising and future-proofing modern platforms, and Amazon API Gateway can route requests to any compute resource: Lambda functions, containers on Kubernetes, virtual machines or even on-premise legacy systems – all while adding powerful logging, monitoring, caching, throttling, scaling and cost-saving capabilities.

Amazon API Gateway is a managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale. Developers can define the HTTP endpoints of a REST API or a WebSocket API and connect those endpoints with the corresponding backend business logic. It also handles authentication, access control, monitoring, and tracing of API requests. Amazon API Gateway handles all the tasks involved in accepting and processing up to thousands of concurrent API calls, including traffic management, authorisation and access control, monitoring, and API version management.

API Gateway has no minimum fees or startup costs. You pay for the API calls you receive and the amount of data transferred out, with the API Gateway tiered pricing model allowing you to reduce your cost as your API usage scales.

How does API Gateway work?

API Gateway works as an intermediary between your request and the service you are consuming. The integration is where the API Gateway will route your request once it passes authorisation and validation. Lambda, an AWS serverless computing platform, works as one of the integrations that functions and process a payload. The HTTP custom integration can transform your requested data for the backend or transform the backend response data for you. Amazon API Gateway also enables end-to-end management of REST and WebSocket APIs at scale on AWS.


Amazon API Gateway provides several benefits for those looking to deploy microservices on AWS, mostly revolving around reducing your time to market and increasing developer productivity, while also ensuring that the solutions you build stay scalable.

Self-Service and Flexible
No startup or minimum cost - only pay for incoming calls and data processed out.
API Caching and Throttling
Enable caching instead of accessing the API backend for every call, and which increases the performance and reduces latency
Flexible Security
Authorise access to your APIs with authorisation options such as AWS Identity and Access Management (IAM) and AWS Lambda functions
API Lifecycle Management
Run multiple versions of the same API simultaneously and maintain custom domains for each API version with endpoints staying the same - which allows for easy rollback to a previous version.
RESTful API Options
Create RESTful APIs using HTTP APIs or REST APIs

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How we can help

As an AWS Advanced Consulting Partner, we have delivered significant projects to customers in Ireland and the UK, often involving serverless architectures where AWS Lambda and Amazon API Gateway played a key part. Our certified AWS specialists have developed a solid experience in cloud-native application development and can support you through your cloud transformation.

At Version 1, we love educating our customers on how to build your Web and Mobile Applications with an AWS API Gateway Strategy. Our certified AWS specialists will walk you through how to leverage the power of Amazon API Gateway and the lifecycle management of all APIs, providing control to manage the Amazon API Gateway as they grow and scale.

Let our experienced developers help you with your API management and avoid common mistakes, accelerating your deployment, so you can minimise disruption within your organisation.

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