Request Syntax Request Parameters Response Syntax Response Elements Errors See Also

GetWebACLForResource

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 web ACL for the specified resource, either an application load balancer or Amazon API Gateway stage.

Request Syntax


{
   "ResourceArn": "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.

ResourceArn

The ARN (Amazon Resource Name) of the resource for which to get the web ACL, either an application load balancer or Amazon API Gateway stage.

The ARN should be in one of the following formats:

For an Application Load Balancer: arn:aws:elasticloadbalancing:region:account-id:loadbalancer/app/load-balancer-name/load-balancer-id
For an Amazon API Gateway stage: arn:aws:apigateway:region::/restapis/api-id/stages/stage-name

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1224.

Pattern: .*\S.*

Required: Yes

Response Syntax


{
   "WebACLSummary": { 
      "Name": "string",
      "WebACLId": "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.

WebACLSummary

Information about the web ACL that you specified in the GetWebACLForResource request. If there is no associated resource, a null WebACLSummary is returned.

Type: WebACLSummary 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

WAFInvalidParameterException

The operation failed because AWS WAF didn't recognize a parameter in the request. For example:

You specified an invalid parameter name.
You specified an invalid value.
You tried to update an object (ByteMatchSet, IPSet, Rule, or WebACL) using an action other than INSERT or DELETE.
You tried to create a WebACL with a DefaultAction Type other than ALLOW, BLOCK, or COUNT.
You tried to create a RateBasedRule with a RateKey value other than IP.
You tried to update a WebACL with a WafAction Type other than ALLOW, BLOCK, or COUNT.
You tried to update a ByteMatchSet with a FieldToMatch Type other than HEADER, METHOD, QUERY_STRING, URI, or BODY.
You tried to update a ByteMatchSet with a Field of HEADER but no value for Data.
Your request references an ARN that is malformed, or corresponds to a resource with which a web ACL cannot be associated.

HTTP Status Code: 400

WAFNonexistentItemException

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

HTTP Status Code: 400

WAFUnavailableEntityException

The operation failed because the entity referenced is temporarily unavailable. Retry your request.

HTTP Status Code: 400