curl --request POST \
  --url https://api.z-api.io/instances/{instanceId}/token/{token}/catalogs/collection/remove-product \
  --header 'Client-Token: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "collectionId": "<string>",
  "productIds": [
    {}
  ]
}
'

{
  "success": true,
  "collectionId": "<string>"
}