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CORS In AWS API Gateway

In this article, we will enable CORS in AWS API Gateway.

Test For CORS

First, create a service in the API gateway. Use this website to test if the API is CORS enabled or not.

If you are getting the following error, it means that your API is not CORS enabled.

Click to Enlarge

Enabling CORS

For enabling the CORS, select the method and click on Actions → Enable CORS.

Picture showing the Enable CORS option for API Gateway method

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The following window will appear.

Picture showing the window to enable CORS

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Click on the Enable CORS and replace existing CORS headers. A confirmation message will appear.

Picture showing the confirmation message for enabling CORS

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Click on the Yes, replace existing values button. The CORS is enabled.

Picture showing the screen to show the progress of enabling cors

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Test For CORS Again

Again, test for CORS and this time you do not get any error.

Picture showing the success message while API is tested for CORS

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Posted By -	Karan Gupta

Posted On -	Thursday, February 16, 2023

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