Academy
Payments Academy
Practical explanations of payment business models, payment operations, reconciliation and the infrastructure behind modern payment businesses.
ACADEMY
Latest articles
Explore the newest articles from Amaryllis Academy, including course lectures and operational guides for payment businesses.
Transactions, Ledgers, and Double-Entry Accounting
Learn how a payment business records settlement, balances, fees, payouts, refunds and reconciliation — and how it explains who owns every dollar.
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How Online Payments Became a Business
Understand what happens behind a Pay button, why PSPs exist, how PayFac and Merchant of Record models emerge, and where Amaryllis fits.
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The Money Hotels Earn but Never Receive
Why revenue can disappear between booking, payment, settlement and reconciliation — and how stronger payment operations restore visibility.
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