What are the four PCI standards?

Level 1: Merchants that process over 6 million card transactions annually. Level 2: Merchants that process 1 to 6 million transactions annually. Level 3: Merchants that process 20,000 to 1 million transactions annually. Level 4: Merchants that process fewer than 20,000 transactions annually.

Is PayPal 2D or 3D?

For PayPal, 3D-secure enablement means stronger authentication of users and more successfully processed transactions for you.

Is gateway same as DHCP server?

The gateway assigns an IP address to the client as the DHCP server and not only sends the IP address of the gateway to the client, but also the IP address of the DNS server.

What are gateways in architecture?

The textbook definition of gateway is [an opening or a structure such as an arch, framing, entrance or passage that may be closed by a gate. Something that serves as an entrance or a means of access."

Is Google a payment facilitator?

Google is only a facilitator of Payment Transactions. Google is not a party to these Payment Transactions. Google is not a Payments System Provider. Google may, in certain scenarios, act as an intermediary and operate as a payment collection agent for the limited purpose of receiving funds on behalf of the Recipient.

What OSI layer is API?

REST is an API (Application Programming Interface) in the Application Layer.

Is REST API HTTP or https?

Your REST API is secured by using HTTPS.

What is the purpose of a gateway service?

A service gateway is a single access point and acts as a proxy for multiple services. A service gateway enables transformations, routing, and common processing across all the services. A service gateway module is a single mediation that handles the requests for multiple service consumers and providers.

What are some 4 payment apps?

Here are six BNPL apps you can use at major retailers, plus alternatives to consider.
Afterpay: Best for first-time BNPL users. ...
Affirm: Best for large purchases. ...
Klarna: Best for earning rewards. ...
Zip: Best for wide availability. ...
PayPal Pay in 4: Best for peace of mind.

What is PCI and NIST?

They differ in that the NIST identifies general security outcomes and activities, while the PCI DSS provides direction and guidance on how to meet security outcomes for payment environments. PCI DSS and the NIST Cybersecurity Framework have a common goal: to enhance data security.

payment gateway system architecture