Get list of paths that returned most of 4xx response status codes in your API Gateway access log group.
Cloudwatch Log Insights snippet that returns top 10 of the API paths with the 4xx response status codes.
See snippet GitHub repository for the logging setup instructions.
Copy the code into CloudWatch Logs Insights
stats count(*) as errorCount by status, path, httpMethod
| filter status>=400 and status<=499
| limit 10
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Learn more about Cloudwach Logs Insights.
Running the CloudWatch snippet
Click on the button below to open up the snippet directly into your AWS account.
Manually running the CloudWatch snippet
1. Open CloudWatch console
2. Select Logs, and then choose Logs Insights.
3. In the Select log group(s) drop down, choose one or more log groups to query.
4. Copy snippet into query text area.
5. Click "Run Query"
Additional resources
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