Product meaning
Each term is tied back to the Kotao app suite, not just a generic software definition.
Terms tagged
E-commerce
POS, PMS, PCI, SCA — the acronyms behind running a business.
Topic context
E-commerce terms in one place.
Browse related definitions together when you are scoping a workflow, comparing vendors, or preparing a rollout plan.
Team alignment
Use this topic page to align operators, finance, support, marketing, and product teams before rollout.
Implementation scope
Definitions help decide what needs data import, permissions, reporting, and integrations.
35 terms
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Acquirer
Bank or payment institution that signs merchants and routes their card transactions into the card networks.
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Apple Pay
Mobile wallet by Apple that tokenizes cards for contactless and in-app payments.
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Card Fraud
Unauthorized card use or theft of credentials to initiate transactions.
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Card Network
Payment network (e.g., Visa/Mastercard) that sets rules and routes card transactions between issuers and acquirers.
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Card Not Present
Transactions where the card is not physically presented (e.g., online or in-app).
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CCPA (California Consumer Privacy Act)
California law granting consumers rights over their personal information and imposing duties on businesses.
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Chargeback
A forced payment reversal initiated by the cardholder’s bank after disputing a transaction.
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Compliance
Meeting regulatory, security, and contractual requirements for operating a product or service.
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Credit Card
Card that lets cardholders borrow up to a limit and repay later; funds settle via the issuing bank.
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DATEV Export
Export format for the German DATEV accounting system, used to transfer bookings and tax data.
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Debit Card
Card that pulls funds directly from a bank account at purchase time.
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Digital Wallet
Application that stores payment instruments and enables checkout with tokens or credentials.
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Disagio
A fee withheld by a payment provider from each transaction, effectively reducing the payout.
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Disbursement
Outbound payment from a platform to a recipient, such as payouts to merchants or gig workers.
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Embedded Finance
Embedding financial products (payments, cards, lending) inside non-financial apps.
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Fraud Detection / Risk Assessment
Tools and models that score transactions or accounts to block or step-up risky activity.
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GDPR (General Data Protection Regulation)
EU privacy regulation governing personal data processing, rights, and safeguards.
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GoBD (German bookkeeping and retention rules)
German rules for proper digital bookkeeping, retention, traceability, and exportable accounting records.
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Google Pay
Google’s wallet that tokenizes cards for contactless, in-app, and web payments.
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HIPAA
U.S. law setting privacy and security rules for protected health information (PHI).
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Hold on Funds
Temporary reservation of money before capture or payout, often for risk or authorization checks.
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Hosted Payments
Checkout pages hosted by a payment provider to collect payment details and handle compliance.
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Interchange Fee
Fee paid by the acquirer to the issuer on each card transaction; funds scheme incentives and risk.
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ISO 27001
International standard for information security management systems (ISMS).
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Issuer
Bank or fintech that issues payment cards to cardholders and authorizes their transactions.
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KYC / KYB (Know Your Customer / Business)
Identity and business verification required to onboard customers or merchants and prevent financial crime.
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Ledger
System of record that tracks debits and credits for balances, payouts, and fees.
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Merchant
A business that accepts payments for goods or services via card or alternative rails.
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Network Tokenization
Replacing card PANs with scheme-issued tokens to reduce fraud, improve authorization rates, and keep credentials current.
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Payment Processor
A service provider that routes payment data between merchants, acquirers, and schemes.
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PCI DSS (Payment Card Industry Data Security Standard)
Security framework that sets technical and procedural requirements for handling cardholder data.
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Peer-to-Peer (P2P) Payments
Transfers of funds between individuals, often via wallets or bank rails without a merchant in the flow.
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SOC 1
Audit report on controls relevant to financial reporting (SSAE 18).
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SOC 2
Audit report covering security, availability, confidentiality, processing integrity, and privacy controls.
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VAT (Value Added Tax)
Consumption tax applied on goods and services, collected at each value-add step.