Contents
What is Amazon API gateway used for?
Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale. APIs act as the “front door” for applications to access data, business logic, or functionality from your backend services.
When should I use API gateway?
An API gateway is essential for mobile applications. Simplifies the client by moving logic for calling multiple services from the client to API gateway. Translates from a “standard” public web-friendly API protocol to whatever protocols are used internally.
What are the benefits of API gateway?
Using an API gateway has the following benefits:
- Insulates the clients from how the application is partitioned into microservices.
- Insulates the clients from the problem of determining the locations of service instances.
- Provides the optimal API for each client.
- Reduces the number of requests/roundtrips.
Which is benefit of using an API gateway?
An API gateway provides a single, unified API entry point across one or more internal APIs. They typically layer rate limiting and security as well. An API management layer, such as Tyk.io, adds additional capabilities such as analytics, monetisation, and lifecycle management.
What do you need to know about AWS API gateway?
Amazon API Gateway is an AWS service for creating, publishing, maintaining, monitoring, and securing REST and WebSocket APIs at any scale. API developers can create APIs that access AWS or other web services as well as data stored in the AWS Cloud.
How does Amazon API gateway work with backend services?
API Gateway maintains a persistent connection between clients and API Gateway itself. There is no persistent connection between API Gateway and backend integrations such as Lambda functions. Backend services are invoked as needed, based on the content of messages received from clients. © 2020, Amazon Web Services, Inc. or its affiliates.
How does Amazon API gateway work with Lambda?
Amazon API Gateway can be considered a backplane in the AWS ecosystem. In conjuncture with AWS Lambda, the API gateway forms the client-facing part of Amazon’s serverless infrastructure. Lambda runs the code on the highly available, fully managed computing infrastructure but relies on API gateway to expose those endpoints to the required services.
How can I monitor my Amazon API gateway?
Monitor performance metrics and information on API calls, data latency, and error rates from the API Gateway dashboard, which allows you to visually monitor calls to your services using Amazon CloudWatch. Authorize access to your APIs with AWS Identity and Access Management (IAM) and Amazon Cognito.