End of support notice: On October 7th, 2026, AWS will discontinue support for AWS IoT Greengrass Version 1. After October 7th, 2026, you will no longer be able to access the AWS IoT Greengrass V1 resources. For more information, please visit [Migrate from AWS IoT Greengrass Version 1](https://docs.aws.amazon.com/greengrass/v2/developerguide/migrate-from-v1.html).

# GetGroupCertificateConfiguration


Retrieves the current configuration for the CA used by the group.

URI: `GET /greengrass/groups/GroupId/certificateauthorities/configuration/expiry`

Produces: application/json

## CLI:


```
aws greengrass get-group-certificate-configuration \
  --group-id <value>  \
  [--cli-input-json <value>] \
  [--generate-cli-skeleton]
```

cli-input-json format:

```
{
"GroupId": "string"
}
```

## Parameters:


[**GroupId**](parameters-groupidparam.md)  
The ID of the Greengrass group.  
where used: path; required: true  
type: string

## Responses:


**200**  
Success. The response body contains the PKI configuration.  
 [ GroupCertificateConfiguration](definitions-groupcertificateconfiguration.md)   

```
{
"GroupId": "string",
"CertificateAuthorityExpiryInMilliseconds": "string",
"CertificateExpiryInMilliseconds": "string"
}
```  
GroupCertificateConfiguration  
Information about a group certificate configuration.  
type: object  
GroupId  
The ID of the group certificate configuration.  
type: string  
CertificateAuthorityExpiryInMilliseconds  
The amount of time, in milliseconds, before the certificate authority expires.  
type: string  
CertificateExpiryInMilliseconds  
The amount of time, in milliseconds, before the certificate expires.  
type: string

**400**  
Invalid request.  
 [ GeneralError](definitions-generalerror.md)   

```
{
"Message": "string",
"ErrorDetails": [
  {
    "DetailedErrorCode": "string",
    "DetailedErrorMessage": "string"
  }
]
}
```  
GeneralError  
General error information.  
type: object  
required: ["Message"]  
Message  
A message that contains information about the error.  
type: string  
ErrorDetails  
A list of error details.  
type: array  
items: [ErrorDetail](definitions-errordetail.md)  
ErrorDetail  
Details about the error.  
type: object  
DetailedErrorCode  
A detailed error code.  
type: string  
DetailedErrorMessage  
A detailed error message.  
type: string

**500**  
Server error.  
 [ GeneralError](definitions-generalerror.md)   

```
{
"Message": "string",
"ErrorDetails": [
  {
    "DetailedErrorCode": "string",
    "DetailedErrorMessage": "string"
  }
]
}
```  
GeneralError  
General error information.  
type: object  
required: ["Message"]  
Message  
A message that contains information about the error.  
type: string  
ErrorDetails  
A list of error details.  
type: array  
items: [ErrorDetail](definitions-errordetail.md)  
ErrorDetail  
Details about the error.  
type: object  
DetailedErrorCode  
A detailed error code.  
type: string  
DetailedErrorMessage  
A detailed error message.  
type: string