Request Syntax Request Parameters Response Syntax Response Elements Errors See Also

GetRule

Note

AWS WAF Classic support will end on September 30, 2025.

This is AWS WAF Classic documentation. For more information, see AWS WAF Classic in the developer guide.

For the latest version of AWS WAF , use the AWS WAFV2 API and see the AWS WAF Developer Guide. With the latest version, AWS WAF has a single set of endpoints for regional and global use.

Returns the Rule that is specified by the RuleId that you included in the GetRule request.

Request Syntax


{
   "RuleId": "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.

RuleId

The RuleId of the Rule that you want to get. RuleId is returned by CreateRule and by ListRules.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: .*\S.*

Required: Yes

Response Syntax


{
   "Rule": { 
      "MetricName": "string",
      "Name": "string",
      "Predicates": [ 
         { 
            "DataId": "string",
            "Negated": boolean,
            "Type": "string"
         }
      ],
      "RuleId": "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.

Rule

Information about the Rule that you specified in the GetRule request. For more information, see the following topics:

Rule: Contains MetricName, Name, an array of Predicate objects, and RuleId
Predicate: Each Predicate object contains DataId, Negated, and Type

Type: Rule object

Errors

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

WAFInternalErrorException

The operation failed because of a system problem, even though the request was valid. Retry your request.

HTTP Status Code: 500

WAFInvalidAccountException

The operation failed because you tried to create, update, or delete an object by using an invalid account identifier.

HTTP Status Code: 400

WAFNonexistentItemException

The operation failed because the referenced object doesn't exist.

HTTP Status Code: 400