SFDC - Using Postman to query SF data

Pre:

1. Set up Connected App in SF

2. Install Postman

3. Get SF access token(SFDC - Using Postman to get SF access token)

Steps:

1.  On Postman, choose type 'GET' and set link to this format:

your org link/services/data/v42.0/query/?q=query

eg. https://ap17.salesforce.com/services/data/v42.0/query/?q=SELECT+Subject+FROM+Case

2. Click Headers and 'form-data' and set below key and value information:

    - Authorization: your token type+ access token

Postman GET request