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).

# ListGroups


Retrieves a list of groups.

URI: `GET /greengrass/groups`

Produces: application/json

## CLI:


```
aws greengrass list-groups \
  [--max-results <value>] \
  [--next-token <value>]  \
  [--cli-input-json <value>] \
  [--generate-cli-skeleton]
```

cli-input-json format:

```
{
"MaxResults": "integer",
"NextToken": "string"
}
```

## Parameters:


[**MaxResults**](parameters-maxresultsparam.md)  
The maximum number of results to be returned per request.  
where used: query; required: false  
type: integer

[**NextToken**](parameters-nexttokenparam.md)  
The token for the next set of results, or `null` if there are no more results.  
where used: query; required: false  
type: string

## Responses:


**200** (ListGroupsResponse)  
  
 [ ListGroupsResponse](definitions-listgroupsresponse.md)   

```
{
"Groups": [
  {
    "Name": "string",
    "Id": "string",
    "Arn": "string",
    "LastUpdatedTimestamp": "string",
    "CreationTimestamp": "string",
    "LatestVersion": "string",
    "LatestVersionArn": "string"
  }
],
"NextToken": "string"
}
```  
ListGroupsResponse  
type: object  
Groups  
Information about a group.  
type: array  
items: [GroupInformation](definitions-groupinformation.md)  
GroupInformation  
Information about a group.  
type: object  
Name  
The name of the group.  
type: string  
Id  
The ID of the group.  
type: string  
Arn  
The ARN of the group.  
type: string  
LastUpdatedTimestamp  
The time, in milliseconds since the epoch, when the group was last updated.  
type: string  
CreationTimestamp  
The time, in milliseconds since the epoch, when the group was created.  
type: string  
LatestVersion  
The ID of the latest version associated with the group.  
type: string  
LatestVersionArn  
The ARN of the latest version associated with the group.  
type: string  
NextToken  
The token for the next set of results, or `null` if there are no more results.  
type: string