Dosusign Access token generation API

Hi All,

I am having a basic query related to Docusign API. This query is more of API related rather than Docusign related, however still posting here as it concerns Docusign. I am following this video for querying docusign API. Here at timestamp 5:44 the API body is passed as ‘x-www-form-urlencoded’(snapshot attached).

However, I am making this API call using my automation tool(Uipath) which lacks the ‘x-www-form-urlencoded’ interface similar to postman. It is possible to pass the body as JSON instead of ‘x-www-form-urlencoded’? I tried passing JSON body as below but it didn’t work.

{“grant_type”: “authorization_code”, “code”: “<code>”}

Thanks!