curl --request PUT \
  --url https://checkout.dintero.com/v1/admin/gateways/collector \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "collector": {
    "url": "<string>",
    "username": "<string>",
    "store_id": 123,
    "country": "<string>",
    "password": "<string>",
    "options": {
      "enable_on_hold": false,
      "settlement_reference_fields": "account_id",
      "customer_client": {
        "customers_client_id": "<string>",
        "customers_client_secret": "<string>",
        "customers_client_audience": "<string>"
      }
    },
    "stores": [
      {
        "store_id": 123,
        "country": "<string>",
        "currency": "NOK",
        "segment": "B2C"
      }
    ]
  }
}
'

{
  "error": {
    "message": "<string>",
    "code": "<string>",
    "errors": [
      {}
    ]
  }
}