RUM JavaScript API - GET asynchronous code snippet

Returns the inline script that initializes Dynatrace and dynamically downloads the monitoring code into your application. The monitoring code is loaded asynchronously.

You can also use these functionally equivalent options to obtain the RUM JavaScript:

The request produces a plain/text payload.

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


To execute this request, you need the Real user monitoring JavaScript tag management (RumJavaScriptTagManagement) permission assigned to your API token. To learn how to obtain and use it, see Tokens and authentication.


Parameter Type Description In Required
entity string

The Dynatrace entity ID of the application.

You can obtain it from the response of the GET the list of manually injected applications call.

path required


The response is a plain text, containing the inline HTML code for the most recent version of the OneAgent JavaScript tag for the specified application.


In this example, the request fetches the inline HTML code for the latest version of the RUM JavaScript for the easyTravel Ionic Web application, which has the ID of APPLICATION-BBFA55551D507E2B.

The API token is passed in the Authorization header.

The result is truncated to the first line.


curl -X GET \ \
  -H 'Authorization: Api-Token dt0c01.abc123.abcdefjhij1234567890'

Request URL

Response body

<script type="text/javascript"> <truncated>

Response code