Follow the below steps for Bulk Upload Documentation:
1. Go to myaccount and login with your registered email address.
2. Once you logged in, go to Bulk Upload Integration under the Integration tab.
3) Go to the Sample Code and Documentation.
4) You can now see Documentations and Sample code for Bulk Upload Integration. Click on them to know in details about Bulk Upload Integration.
If you've any other questions, you can contact us at firstname.lastname@example.org