In Salesforce, REST API uses bearer token authentication to get into Salesforce and perform operation.
Below are the steps that shows how Rest API works1. Request for Bearer token using connected app configuration and Salesforce credentials.2. Salesforce response with bearer token.3. Use that bearer token to get into Salesforce and perform operation.
In this post I will let you know how you can get bearer token with the help of Connected app and credentials.
Create Connected ...