How to access synapse serverless sql pool data using .net REST API

Hi Team,

I have created azure cosmos database with analytical store enabled (through azure synapse link).

I am using built in sererless sql pool, I have created couple of views to access the data from analytical store. I want to access these view through using .net REST api.

I followed the answer provided here, but when I am making REST api call I am getting bad(400) request error.

Access Token Request details:

- GET Request URL - https://login.microsoftonline.com/{tenantId}/oauth2/v2.0/token
- Body:  
grant_type:client_credentials  
client_id:******  
client_secret:*****  
scope:https://graph.microsoft.com/.default 

Once I get then access token then I am using it next request as below.

POST Request URL : https://{workspace-name}-ondemand.sql.azuresynapse.net/query  
Bearer Auth - Access token  
Body - 
{
    "sql":"SELECT * FROM {ViewName}"
}

Can someone help to get this resolved pls?

Thanks