Card Issuer Credit Limit Funds Availability 
EBizCharge
MAY 15, 2024
An issuer plays a crucial role as the entity responsible for granting payment cards and overseeing the financial transactions made using those cards. During transaction authorization, issuers evaluate fund availability to ensure seamless payment progression.
PayHawk
APRIL 18, 2023
Address Verification Service (AVS) A fraud prevention tool that checks the billing address provided by the cardholder against the address on file with the card issuer. Authorization The process of verifying that a transaction can be approved and funds are available for the transaction.
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