API

Advanced Programming Interface – APIs allow users to program to a pre-constructed interface, instead of individually programming a device or piece of software.

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Fixed fee

Payment gateway usually charges merchants a small amount for those approved transactions.The amount ranges from 0.10USD to 1.00USD,and it will not be returned even the transaction was refunded or charged…

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Buy rate

Buy rate,or you can call it "Discount Rate".It is charged by the gateway when processing transactions successfully.It is usually a percentage of the order amount. For example,let's say your buy…

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SHA256

SHA-256 (256 bit) is part of SHA-2 set of cryptographic hash functions, designed by the U.S. National Security Agency (NSA) and published in 2001 by the NIST as a U.S.…

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