curl --request POST \
  --url https://api.sanka.com/v1/public/migrations/global-japan/companies/price-table/upsert \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "companies": [
    {
      "company_external_id": "<string>",
      "price_percentage": 123
    }
  ]
}
'

{
  "ok": true,
  "results": [
    {
      "external_id": "<string>",
      "object_id": "<string>",
      "record_id": 123,
      "created": false,
      "errors": []
    }
  ]
}