This may be under Settings > Users OR Account Settings > Users depending on your version of Bigcommerce.
Under Email, type in email@example.com
Under Status, select “Active”
Under User Role, select “Sales Manager”
Under "System Admin Permissions", turn on these permissions:
- Manage Settings
- Manage Payments
- Store Design
- Design Mode
- Store Logs
Under Enable WebDav, check “Yes”
Click “Save” on the bottom right. BigCommerce will automatically send firstname.lastname@example.org an email to activate the login.
Please take a note of API Path because you'll need to share it with Bolt team.