curl --request PUT \
  --url https://api.us-1.platform.polyai.app/{version}/{account_id}/{project_id}/chat/close \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-TOKEN: <x-token>' \
  --data '{
  "conversation_id": "CONV-1234567890"
}'

{
  "success": true
}