To see how to add your data to Store API using ExtendSchema, [check this document](./extend-rest-api-add-data.md). This is a list of available endpoints that you can extend. If you want to add a new endpoint, [check this document](./extend-rest-api-new-endpoint.md).
The items endpoint, which is also available on `wc/store/cart` inside the `items` key. The data would be available inside each item of the `items` array.
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