This endpoint will return all the contact lists for an account.
Use case for this endpoint: It can be used to synchronize list filters between HubSpot and an external system.
By default, you will get up to 20 lists at a time. You can get more lists in a single request (up to 250) using the
count parameter. Each response will include an
offset, which can be used with the
offset= parameter in the next request to get the next page of lists.
The listId is the account specific ID for the list. This value never changes for a particular list. The internalListId is an internal identifier used to track the list criteria revisions, and is subject to change when the list is modified.
See the Contact List Overview for details about the returned data.
size property returned is an approximate number. This number varies based on the number of contacts in your HubSpot account and is calculated as an estimate.