# List memberships

**Mews Operations** uses the [List memberships operation](/loyalty-partner/api-operations/memberships.md#post-memberships-list) to retrieve current membership data for one or more customers using their `providerMembershipId` values. This operation is used in both manual and automated workflows to keep loyalty data up to date in Mews.

## Manual membership sync

Front desk staff click **Refresh** on a customer profile that is already linked to a membership in the partner system. Mews fetches the latest membership data from the partner system.

<figure><img src="/files/rYHYHW52VXKgiHnKE2KT" alt="Screenshot of a Mews customer profile with a Refresh button to manually sync membership data from the partner system." width="563"><figcaption><p>Manual membership sync in Mews: front desk staff use the Refresh button on the customer profile to update membership details from the partner system.</p></figcaption></figure>

## Automatic membership sync

Once a day, an automated job identifies customers arriving the next day and fetches the latest membership data for each of them from the partner system.


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