# Unsubscribe groups: what a recipient can opt out of without leaving everything

`GET /mail/groups` · Rivier · campaigns

Unsubscribe groups: what a recipient can opt out of without leaving everything.

- Scope: campaigns:read
- Mcp: rivier_campaign_mail_groups
- Graphql: Query.campaignsMailGroupList
- Sdk: mail.groups.list
- Cli: mail groups

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X GET 'https://api.rivier.ai/mail/groups' \
  -H 'Authorization: Bearer $KEY'
```