# Commerce Einstein Recommendations API Reference

Modifying Einstein Recommendations interfaces in your B2B Commerce stores requires using the Activity Tracking API and a Product Recommendation API. These APIs provide access to the underlying data behind Einstein Recommendations and enable modification of the front-end experience with custom Lightning web components.

**See Also**

- [Commerce Einstein Activity Tracking API](/docs/commerce/salesforce-commerce/guide/b2b-b2c-comm-activity-tracking-api.md)
- [B2B Commerce Einstein Product Recommendations API](/docs/commerce/salesforce-commerce/guide/b2b-b2c-comm-einstein-b2b-reco-api-ref.md)