Request Syntax URI Request Parameters Request Body Response Syntax Response Elements Errors Examples See Also

ListCertificateAuthorities

Lists the certificate authorities (CAs) for your cluster. A cluster has at most two certificate authorities: the outgoing CA that's currently signing and, during a rotation, one successor CA.

Request Syntax


GET /clusters/name/certificate-authorities?maxResults=maxResults&nextToken=nextToken HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

name

The name of your cluster.

Required: Yes

maxResults

The maximum number of results to return in a single call. To retrieve the remaining results, make another call with the returned nextToken value. If you don't specify a value, the default is 100 results.

Valid Range: Minimum value of 1. Maximum value of 100.

nextToken

The nextToken value returned from a previous paginated request, where maxResults was used and the results exceeded the value of that parameter. Pagination continues from the end of the previous results that returned the nextToken value. This value is null when there are no more results to return.

Note

This token should be treated as an opaque identifier that is used only to retrieve the next items in a list and not for other programmatic purposes.

Request Body

The request does not have a request body.

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "certificateAuthorities": [ 
      { 
         "activatedAt": number,
         "activatedBy": "string",
         "createdAt": number,
         "createdBy": "string",
         "distributionStatus": "string",
         "id": "string",
         "signingStatus": "string"
      }
   ],
   "nextToken": "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.

certificateAuthorities

A list of certificate authority summary objects, each containing basic information about a certificate authority, including its ID, signing status, and distribution status.

Type: Array of CertificateAuthoritySummary objects

nextToken

The nextToken value to include in a future ListCertificateAuthorities request. When the results of a ListCertificateAuthorities request exceed maxResults, you can use this value to retrieve the next page of results. This value is null when there are no more results to return.

Note

This token should be treated as an opaque identifier that is used only to retrieve the next items in a list and not for other programmatic purposes.

Type: String

Errors

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

InvalidParameterException

The specified parameter is invalid. Review the available parameters for the API request.

addonName: The specified parameter for the add-on name is invalid. Review the available parameters for the API request
clusterName: The Amazon EKS cluster associated with the exception.
fargateProfileName: The Fargate profile associated with the exception.
message: The specified parameter is invalid. Review the available parameters for the API request.
nodegroupName: The Amazon EKS managed node group associated with the exception.
subscriptionId: The Amazon EKS subscription ID with the exception.

HTTP Status Code: 400

ResourceNotFoundException

The specified resource could not be found. You can view your available clusters with ListClusters. You can view your available managed node groups with ListNodegroups. Amazon EKS clusters and node groups are AWS Region specific.

addonName: The Amazon EKS add-on name associated with the exception.
clusterName: The Amazon EKS cluster associated with the exception.
fargateProfileName: The Fargate profile associated with the exception.
message: The Amazon EKS message associated with the exception.
nodegroupName: The Amazon EKS managed node group associated with the exception.
subscriptionId: The Amazon EKS subscription ID with the exception.

HTTP Status Code: 404

ServerException

These errors are usually caused by a server-side issue.

addonName: The Amazon EKS add-on name associated with the exception.
clusterName: The Amazon EKS cluster associated with the exception.
message: These errors are usually caused by a server-side issue.
nodegroupName: The Amazon EKS managed node group associated with the exception.
subscriptionId: The Amazon EKS subscription ID with the exception.

HTTP Status Code: 500

ServiceUnavailableException

The service is unavailable. Back off and retry the operation.

message: The request has failed due to a temporary failure of the server.

HTTP Status Code: 503

Examples

In the following example or examples, the Authorization header contents (AUTHPARAMS) must be replaced with an AWS Signature Version 4 signature. For more information about creating these signatures, see Signature Version 4 Signing Process in the Amazon EKS General Reference.

You need to learn how to sign HTTP requests only if you intend to manually create them. When you use the AWS Command Line Interface (AWS CLI) or one of the AWS SDKs to make requests to AWS, these tools automatically sign the requests for you with the access key that you specify when you configure the tools. When you use these tools, you don't need to learn how to sign requests yourself.

Example

The following example lists the certificate authorities for the cluster named my-cluster.

Sample Request


GET /clusters/my-cluster/certificate-authorities HTTP/1.1
Host: eks.us-west-2.amazonaws.com
Accept-Encoding: identity
User-Agent: aws-cli/2.9.0 Python/3.9.11 Windows/10 exe/AMD64 prompt/off command/eks.list-certificate-authorities
X-Amz-Date: 20260729T193227Z
Authorization: AUTHPARAMS

Sample Response


HTTP/1.1 200 OK
Date: Wed, 29 Jul 2026 19:32:43 GMT
Content-Type: application/json
x-amzn-RequestId: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxx
X-Amzn-Trace-Id: Root=1-xxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxx
Connection: keep-alive

{
	"certificateAuthorities": [
		{
			"id": "a1b2c3d4-5678-90ab-cdef-1234567890ab",
			"createdAt": 1760284672.451,
			"createdBy": "EKS",
			"activatedAt": 1760284672.451,
			"activatedBy": "EKS",
			"signingStatus": "IN_USE",
			"distributionStatus": "COMPLETE"
		},
		{
			"id": "b2c3d4e5-6789-0abc-def0-1234567890ab",
			"createdAt": 1785312515.848,
			"createdBy": "CUSTOMER",
			"signingStatus": "NOT_USED",
			"distributionStatus": "COMPLETE"
		}
	]
}