Rest API Postman Web Service Callout

Postman API Callout Testing

STEP 1 :

        Create Connected App :                    Connected App Name :                   Connected API Name :                   Email Id :
                 Then Click on Enable OAuth Settings checkbox :                   Callback URL : Like                                                https://<orgdomanName>.my.salesforce.com                                               https://dns000000u40v2aa-dev-ed.develop.my.salesforce.com                  Select OAuth Scope : Full Access
                   and click on Save button after that need to get Consumer ke and secret :                     click on manage consumer details button for consumer key and consumer secret
                               Security Token Get :                                       Click on view Profile Option then go to settings options                                        Quick Find : Reset My Security Token and click on button and check your email for Security token
                 Important : got to setup and search OAuth and OpenID Connect Settings                                    and enable                                       1) Allow OAuth Username-Password Flows                                      2) Allow Authorization Code and Credentials Flows
      Required Information :                     Access Token URL : https://login.salesforce.com/services/oauth2/token                    Client ID :                     Client Secret :                     Username :                     Password : password<securityToken>                               Go to Code