Nothing is better than our own Trailheads. Below are two modules for you:
1) First complete the below module: https://trailhead.salesforce.com/en/module/api_basics Here you can learn what are API calls.
2) Then complete below modules: https://trailhead.salesforce.com/en/module/apex_integration_services Here you will have real time integration examples.
Nothing is better than our own Trailheads. Below are two modules for you:
1) First complete the below module:
https://trailhead.salesforce.com/en/module/api_basics
Here you can learn what are API calls.
2) Then complete below modules:
https://trailhead.salesforce.com/en/module/apex_integration_services
Here you will have real time integration examples.