Custom Domain Names
Custom Domain Names are an essential feature in Amazon API Gateway, allowing users to define a custom domain for their REST and WebSocket APIs. This enables the integration of APIs with other services under a unified domain, maintaining brand consistency and improving security through the use of custom SSL/TLS certificates. The custom domain can be mapped to a specific API stage, enabling separate domains for different deployment stages such as development, staging, or production. The API Gateway also supports Certificate Manager ACM certificates, making it easy to monitor and manage SSL/TLS certificates.
Guide to Custom Domain Names for Amazon API Gateway
Why It Is Important:
Custom domain names are important as they allow you to expose your APIs with a domain that represents your business or application, providing a professional and reliable service to your clients.
What It Is:
Amazon API Gateway's Custom Domain Names feature enables you to have your own domain name to maintain your company's brand identity in the API Gateway. Instead of using the default endpoint provided by AWS, you can use a domain name that you own.
How It Works:
After you purchase and set up your custom domain name via a DNS provider, you then configure this domain in the API Gateway console and map it to your APIs. AWS will provide a CloudFront distribution URL which you then point to with your custom domain in your DNS settings.
Exam Tips: Answering Questions on Custom Domain Names
1. Understand the process of setting up custom domain names in API Gateway.
2. Remember that a 'Base Path Mapping' maps the rest of the URL to the respective API and stage.
3. You need to set up an SSL/TLS certificate for your custom domain name via AWS Certificate Manager (ACM) or upload an SSL/TLS certificate from a third-party provider.
4. Remember that you cannot have multiple API deployments to a single base path under the same custom domain name.
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