How to Build a PayPal Alternative with a Global Payments API
An architecture guide for a wallet-and-payments platform with a ledger, funding rails, checkout, payouts, disputes, risk, FX, and developer APIs.
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Cross Border
Corridor design, foreign exchange, regional methods, settlement, and beneficiary payout.
Regional Payment API Design for Asia, Africa, GCC/MENA, and South America
A corridor-first framework for payment methods, FX, settlement, data, compliance, and operations across diverse regional markets.
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Tokenized Deposits vs. Stablecoins for Global Payment APIs
Compare tokenized bank deposits and stablecoins as settlement assets, including claims, redemption, programmability, interoperability, liquidity, and API design.
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Credit Card vs. Stablecoin Payment APIs: How to Choose the Right Rail
Compare card and stablecoin payment APIs across checkout experience, settlement, disputes, data security, treasury, global reach, and hybrid routing.
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ACH and Direct Deposit API Design: Files, Returns, and Reconciliation
A practical design for ACH credits and debits, direct deposit, authorization evidence, return handling, idempotency, and bank-grade reconciliation.
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Explore all 10 implementation guides and their related payment architecture pages.