Fetch the users or items that are most similar to the provided user or item.

This endpoint returns the most similar users or items for your trained ranking model. The result is a list of user_ids or item_ids ordered by the relevance for the passed in user_id or item_id respectively.

You must pass only one of user_id or item_id in your query parameters.


This endpoint maintains an average 200ms latency and is suitable for real-time usage within your product.