How to call the Public Api in Rest get

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In Rest Get Snap, we need to call this API [GET /api/1/rest/public/runtime/snaplogic]
,there is a notification here that authentication is required, but where can I get this authentication for this API

I got the API from this Docs
https://docs-snaplogic.atlassian.net/wiki/spaces/SD/pages/1438155/Pipeline+Monitoring+API

Please help how to get all this information in brief

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Yes I corrected

Thank you all for you time, It helped me a lot