Payment Gateway
Category: Payments
Also searched as: Payment processor
Definition (plain English)
A service that securely captures payment details, routes authorization requests, and returns approval or decline responses for online transactions.
Why it matters commercially
Gateway setup affects authorization rates, fraud rules, settlement timing, chargeback evidence, and whether customers can pay in the currencies they expect.
Example
A wholesaler added local card and bank options after gateway declines blocked otherwise-approved B2B repeat orders.
Common mistake
Choosing a gateway by headline fee only and missing authorization performance, supported countries, dispute tools, settlement currency, and integration risk.
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