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Add Items to List

Add specific property or person IDs to an existing list. Up to 10,000 IDs per request. Duplicates are ignored. FREE — no credits consumed.
path list_idstringrequired
The list ID to add items to.
body idsarrayrequired
Array of property or person IDs to add (1-10,000 per request).
body id_typestringdefault: internal_property_id
Type of IDs: internal_property_id or internal_person_id.
Response example
{ "data": { "added": 42 } }