# ING Księgowość This option is available if the ING Księgowość service is enabled. To use ING Księgowość for a basic request creating a [transaction](https://bump.sh/pgw/doc/imoje-api-en/operation/operation-post-parameter-transaction#operation-post-parameter-transaction-body-application-json-invoice) or [payment link](https://bump.sh/pgw/doc/imoje-api-en/operation/operation-post-parameter-payment#operation-post-parameter-payment-body-application-json-invoice), attach the `invoice` object. > info > Remember to enter your API key from ING Księgowość in the imoje panel. You can do this by going to the `Shops`> shop name > `Details` > `Data for integration`.