Hosts API - POST tags

Assigns custom tags to the specified host. You only need to provide a tag value. The CONTEXTLESS context will be assigned automatically.

The usage of this API is limited to value-only tags. To assign key:value tags, use the Custom tags API.

The request consumes an application/json payload.

  • Managed https://{your-domain}/e/{your-environment-id}/api/v1/entity/infrastructure/hosts/{meIdentifier}
  • SaaS https://{your-environment-id}{meIdentifier}
  • Environment ActiveGate https://{your-activegate-domain}/e/{your-environment-id}/api/v1/entity/infrastructure/hosts/{meIdentifier}


To execute this request, you need the Access problem and event feed, metrics, and topology (DataExport) permission assigned to your API token. To learn how to obtain and use it, see Tokens and authentication.


Parameter Type Description In Required
meIdentifier string

The Dynatrace entity ID of the host to be updated.

path required
body UpdateEntity body optional

Body format

The UpdateEntity object

A list of tags to be assigned to a Dynatrace entity.

Element Type Description Required
tags string[]

A list of tags to be assigned to a Dynatrace entity.



Response codes

Code Description

Success. The parameters of the host have been updated.


Failed. The input is invalid.

Response body

A successful request doesn't return any content.


In this example, the request assigns the Linux and Rack 123 tags to the tag009 host, which has the ID of HOST-B7A6F9EE9F366CB5.

The API token is passed in the Authorization header.


curl -X POST \ \
  -H 'Authorization: Api-Token dt0c01.abc123.abcdefjhij1234567890' \  
  -H 'Content-Type: application/json' \  
  -d '{
  "tags": [
    "Rack 123"

Request URL

Request body

  "tags": [
    "iOS app",
    "Adnroid app"

Response code