curl --request POST \
  --url https://api.supersonic.cv/records/link \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "from_record_id": "<string>",
  "to_record_id": "<string>",
  "relation_type": "<string>"
}
'

{}