End of support notice: On May 20, 2026, Amazon will end support for Amazon IoT Events. After May 20, 2026, you will no longer be able to access the Amazon IoT Events console or Amazon IoT Events resources. For more information, see [Amazon IoT Events end of support](https://docs.amazonaws.cn/iotevents/latest/developerguide/iotevents-end-of-support.html).

# Amazon service quotas for Amazon IoT Events resources
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The *Amazon Web Services General Reference Guide* provides the default quotas for Amazon IoT Events for an Amazon account. Unless specified, each quota is per Amazon Region. For more information, see [Amazon IoT Events endpoints and quotas](https://docs.amazonaws.cn/general/latest/gr/iot-events.html) and [Amazon Service Quotas](https://docs.amazonaws.cn/general/latest/gr/aws_service_limits.html) in the *Amazon Web Services General Reference Guide*.

To request a service quota increase, submit a support case in the [Support center](https://console.amazonaws.cn/support/cases#/create?issueType=service-limit-increase&             limitType=service-code-iot) console. For more information, see [Requesting a quota increase](https://docs.amazonaws.cn/servicequotas/latest/userguide/request-quota-increase.html) in the *Service Quotas User Guide*.

**Note**  
All names for detector models and inputs must be unique within an account.
You can't change names for detector models and inputs after they're created.