Yes! Sift works with a number of marketplaces.
Please send us information as suggested in our Events API documentation, with a few important details:
- Make sure to include the $seller_user_id in the $create_order and $transaction fields. This enables Sift to see how particular sellers and buyers interact with one another
- Limit the use of the $create_order and $transaction events to purchases made by buyers from sellers. If your site allows sellers to “withdraw” funds, please send that as a custom event.
- Please send $create_account, $login, $logout, $send_message and other supported fields for all users with accounts -- whether they are buyers or sellers.