CreateAnomalySubscription - AWS Billing and Cost Management


Adds an alert subscription to a cost anomaly detection monitor. You can use each subscription to define subscribers with email or SNS notifications. Email subscribers can set an absolute or percentage threshold and a time frequency for receiving notifications.

Request Syntax

{ "AnomalySubscription": { "AccountId": "string", "Frequency": "string", "MonitorArnList": [ "string" ], "Subscribers": [ { "Address": "string", "Status": "string", "Type": "string" } ], "SubscriptionArn": "string", "SubscriptionName": "string", "Threshold": number, "ThresholdExpression": { "And": [ "Expression" ], "CostCategories": { "Key": "string", "MatchOptions": [ "string" ], "Values": [ "string" ] }, "Dimensions": { "Key": "string", "MatchOptions": [ "string" ], "Values": [ "string" ] }, "Not": "Expression", "Or": [ "Expression" ], "Tags": { "Key": "string", "MatchOptions": [ "string" ], "Values": [ "string" ] } } }, "ResourceTags": [ { "Key": "string", "Value": "string" } ] }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.


The cost anomaly subscription object that you want to create.

Type: AnomalySubscription object

Required: Yes


An optional list of tags to associate with the specified AnomalySubscription. You can use resource tags to control access to your subscription using IAM policies.

Each tag consists of a key and a value, and each key must be unique for the resource. The following restrictions apply to resource tags:

  • Although the maximum number of array members is 200, you can assign a maximum of 50 user-tags to one resource. The remaining are reserved for AWS use

  • The maximum length of a key is 128 characters

  • The maximum length of a value is 256 characters

  • Keys and values can only contain alphanumeric characters, spaces, and any of the following: _.:/=+@-

  • Keys and values are case sensitive

  • Keys and values are trimmed for any leading or trailing whitespaces

  • Don’t use aws: as a prefix for your keys. This prefix is reserved for AWS use

Type: Array of ResourceTag objects

Array Members: Minimum number of 0 items. Maximum number of 200 items.

Required: No

Response Syntax

{ "SubscriptionArn": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.


The unique identifier of your newly created cost anomaly subscription.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 1024.

Pattern: [\S\s]*


For information about the errors that are common to all actions, see Common Errors.


You made too many calls in a short period of time. Try again later.

HTTP Status Code: 400


The cost anomaly monitor does not exist for the account.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: