OptionalbaseCLIENT_CODE (terminal number)
CLIENT_PASSWORD
CLIENT_USERNAME
OptionalfetchCustom fetch implementation for API calls. Default: globalThis.fetch.
Optionalinit: RequestInitMerchant GUID (anahtar). Used for hashes, never sent to the browser.
OptionallocaleOptionalloggerOptionalretryOptionalvalidateValidate requests before calling the provider (card, amounts, basket, required fields). Default: true.
Configuration fields shared by all providers. Credentials are defined in each provider's own configuration type.