curl --request POST \
  --url https://api.app.lastaccountingcompany.com/portal/service-connections/confirmations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "connection_key": "<string>",
  "confirmation_type": "<string>",
  "customer_id": "<string>",
  "note": "<string>",
  "action": "confirm"
}
'

{
  "connection": {},
  "connections": [
    {}
  ],
  "event_id": "<string>"
}