Using Postman to authenticate Salesforce with REST

Create connected App from App Manager.

1. 1. Enable OAuth Settings.
   2. Select Auth scopes [same scope[default] apply in Auth provider and Name Credentials]
   3. Callback URL, type the fully qualified domain name of your server, using the https protocol, and append the following text to the URL: auth/add_oauth_token.
   4. Get consumer key(client_id) and consumer Secret(client_secret).

After creating the connected App we have the client_id and client_secret.

Create a new request In postman.

1. 1. select post method. and add the URL. “https://login.salesforce.com/services/oauth2/token”
   2. pass params(grant_type=password, client_id, client_secret, username, or password. In your password add token key after passwrod)
   3. for the security token settings –> personal –> reset my security token
   4. click on send button