Definitions

Access to Account (XS2A)	The provision of secure access to accounts operated by ASPSPs using APIs, in order to enable TPPs to provide Payment Initiation Services (PIS), Account Information Services (AIS), and Card Based Payment Instruments Issuing (CBPII) to customers.
Account	Bank account of the PSU.
AIS	Account Information Services. Typically services which allows you to retrieve bank statements or balances.
AISP	Account Information Service Providers, is a company that is authorized by both the account holder and their bank to retrieve that customer’s account information from their bank
PISP	Payment Initiation Service Providers, is a company that is authorized by both the account holder and their Financial Service Provide to initiate a payment from their bank to somebody else, often using a third-party mobile app
ASPSP (Bank)	The final account servicing payment service provider.
Connector	A connector is the software code inside BankingSDK connecting to a given bank. Each bank (ASPSP) has his own connector inside BankingSDK.
Connector ID	ID of a connector linked to a bank.
PIS	Payment Initiation Services.
PSU (User)	Payment Service User, the user of the TPP application.
TPP	An entity authorized to access accounts on behalf of customers but that does not operate those accounts themselves. TPPs include PISPs, AISPs, and CBPIIPs. TPPs uses bankingSDK in direct mode to connect to banks through their PSD2 APIs.
SCA	Strong Customer Authentication: we use this to refer to the process on the bank side that strongly authenticates the PSU. It could be pages on the bank's web site or use of a mobile app.