TFS Rest API not working for logs

Question

Any idea why this method does not work:

GET https://{instance}/DefaultCollection/{project}/_apis/build/builds/{buildId}/logs?api-version=2.0

I

Answer 1

I'm not sure if this is a supported API, but the following works for me.

VSTS: https://{instance}.visualstudio.com/{project}/_apis/build/builds/{buildid}/logs?$format=zip

TFS: http://{instance}/Collection/{project}/_apis/build/builds/81590/logs?$format=zip