If you are creating an ecommerce website for a merchant, you might want to put "credit card acceptance marks" on the site to indicate which credit cards the merchant accepts.

Here are some places where you can get the graphics of the credit card acceptance marks. Be sure you read their individual guidelines as to the conditions and limitation of use.

• Mastercard Acceptance Marks - includes Visa and American Express
• Discover Acceptance Marks
• Paypal Acceptance Marks