Salesforce Bulk API 2.0
Asynchronous API optimized for loading and querying large data sets.
Documentation
Documentation
https://developer.salesforce.com/docs/atlas.en-us.api_asynch.meta/api_asynch/
GettingStarted
https://developer.salesforce.com/docs/atlas.en-us.api_asynch.meta/api_asynch/asynch_api_quickstart.htm
Authentication
https://developer.salesforce.com/docs/atlas.en-us.api_asynch.meta/api_asynch/authentication.htm