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Create Your First Hello World API Using AWS API Gateway

In the introduction to Amazon API Gateway article, we have created an example API. In this article, we will create our first hello-world API.

Create API

While creating the API, select the option New API instead of Example API.

Picture showing the option New API while creating the New API

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Enter the API name and click on the Create API button. The following screen will appear.

Picture showing the screen to enter the resource and methods

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From the Actions dropdown, click on the Create Resource option.

Picture showing the Create Resource menu for creating the new resource

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A screen will appear to enter the resource details.

Picture showing a screen or creating the new resource

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Enter the Resource Name and click on the Create Resource button. Once the resource is created, select the resource, and click on Actions Create Method.

Picture showing the Create Method menu for creating the new method

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A dropdown will appear to select the HTTP method. For this article, we will select the GET method.

Picture showing the dropdown to select the HTTP method

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Once the method is select, click on the ✓ button.

Picture showing selecting the GET Http method

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A section will appear on the right-hand side. Select the Integration type as Mock.

Picture showing selecting the integration type as mock

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Click on the Save button. The following screen will appear.

Picture showing the diagram that shows the workflow of API

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Click on the Integration Response section. The following screen will appear.

Picture showing the Integration Response screen

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Scroll down to the Mapping Templates section and click on the Add mapping templates link.

Picture showing the Mapping Template section of Integration Response screen

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A textbox will appear to enter the Content-Type. Enter the value application/json and click on the ✓ button.

Picture showing the mapping template added in the Integration Response screen

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Another section will appear to enter the template.

Picture showing setting the text of the mapping template

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Click on the Save button.

Output

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Posted By -	Karan Gupta

Posted On -	Wednesday, January 4, 2023

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