A cursor for use in pagination. before is a resource ID that defines your place in the list. For example, if you make a request and receive 10 resources, starting with "some_resource_id", your subsequent call can include before="some_resource_id" in order to fetch the previous page of the list.

A cursor for use in pagination. after is a resource ID that defines your place in the list. For example, if you make a list request and receive 10 resources, ending with some_resource_id, your subsequent call can include after="some_resource_id" in order to fetch the next page of the list.