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AMIT KUMAR 73AMIT KUMAR 73 

Managing Authentication in REST Callout

Hi,

Kindly suggest the best practice to configure Authentication details (like username / password) inside Salesforce for REST call out using HttpRequest class.

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SaketJoshiSaketJoshi
You need to use OAuth for that.
Refer to this link

http://salesforce.stackexchange.com/questions/25021/how-can-i-integrate-one-sfdc-org-to-another-sfdc-using-rest-api
sfdcFanBoysfdcFanBoy
You need to use Named Credential for that.  Here's the code and how to set up.  This is very easy.

Named Credentials - Setup (https://sfdcfanboy.com/2018/01/15/named-credentials-setup/)

Named Credentials - Code (https://sfdcfanboy.com/2018/01/15/named-credentials-code/)
  
HTTPRequest feedRequest = new HTTP Request();
feedRequest.setEndpoint('callout:SalesforceNC/services/data/v32.0');
feedRequest.setMethod('GET');