# Working with WebSocket APIs

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This page was generated from content adapted from the [AWS Developer Guide](https://github.com/awsdocs/amazon-api-gateway-developer-guide.git)
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## Monitor

* **Note**\
  API Gateway might not generate logs and metrics in the following cases:\
  413 Request Entity Too Large errors Excessive 429 Too Many Requests errors 400 series errors from requests sent to a custom domain that has no API mapping 500 series errors caused by internal failures