Replaced by
Specifically, you can use the filter parameter sourceId to return accounts for a single source.
GET https://sailpoint.api.identitynow.com/v3/accounts?filters=sourceId eq "2c9180858082150f0180893dbaf44201"
This API will return up to 250 accounts per API request. You will need to use pagination to return all accounts for a source. This will be easier to do if you write a script in your favorite programing language to paginate over the entire collection of accounts.