Glossary

Term	Description
Payment Gateway	Merchant Service which performs/authorizes payment processing for businesses
Merchant URL	Merchant System Redirect URL which receives response from Payment Gateway on completion of the transaction
Merchant Call-back URL	Additional Link to Merchant Website to inform on the Transaction Status. This will be required if the Browser Redirect URL is not able to receive payment responses from the Payment Gateway. Upon receipt of response, this callback URL returns acknowledgment with Status Code 200 (OK) to Payment Gateway