# Tags

Mailgun lets you tag each outgoing message with a custom value. When you access stats on your messages, they will be aggregated by these tags.<br><br>WARNING:<i> This API is deprecated in favor of our new [Tags](https://documentation.mailgun.com/docs/mailgun/api-reference/openapi-final/tag/Tags-New/) API. </i>

## List all tags (deprecated)

 - [GET /v3/{domain}/tags](https://documentation.mailgun.com/docs/inboxready/api-reference/optimize/mailgun/tags/get-v3--domain--tags.md): List all tags associated with a domain

## Get a tag (deprecated)

 - [GET /v3/{domain}/tag](https://documentation.mailgun.com/docs/inboxready/api-reference/optimize/mailgun/tags/get-v3--domain--tag.md): Get a tag associated with a domain

## Update tag  (deprecated)

 - [PUT /v3/{domain}/tag](https://documentation.mailgun.com/docs/inboxready/api-reference/optimize/mailgun/tags/put-v3--domain--tag.md): Update a tag associated with a domain

## Delete tag (deprecated)

 - [DELETE /v3/{domain}/tag](https://documentation.mailgun.com/docs/inboxready/api-reference/optimize/mailgun/tags/delete-v3--domain--tag.md): Delete a tag associated with a domain

## Get aggregate stat types by tag (deprecated)

 - [GET /v3/{domain}/tag/stats/aggregates](https://documentation.mailgun.com/docs/inboxready/api-reference/optimize/mailgun/tags/get-v3--domain--tag-stats-aggregates.md): Returns a list  for a given domain for different event types

## Get stats by tag (deprecated)

 - [GET /v3/{domain}/tag/stats](https://documentation.mailgun.com/docs/inboxready/api-reference/optimize/mailgun/tags/get-v3--domain--tag-stats.md): Retrieve stats by tag

## Get tag limits (deprecated)

 - [GET /v3/domains/{domain}/limits/tag](https://documentation.mailgun.com/docs/inboxready/api-reference/optimize/mailgun/tags/get-v3-domains--domain--limits-tag.md): Get tag limits by domain