curl --request PATCH \
  --url https://api.craftkit.dev/v1/admin/provision \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "externalOrgId": "org_123",
  "emailFrom": "Acme <docs@acme.com>"
}
'

{
  "ok": true,
  "partnerId": "9a8b7c6d-5e4f-3a2b-1c0d-9e8f7a6b5c4d"
}