December 2024 Summaries

Programmable payments vaults securely collect and store personally identifiable and cardholder data outside a merchant’s internal systems, returning tokens that can be used to send underlying data to selected payment providers while reducing PCI-DSS compliance scope. Through APIs and SDKs, they enable merchants to connect multiple payment service providers, create customized routing and decisioning logic, improve authorization rates, manage outages, and potentially lower processing costs by directing transactions according to factors such as geography, risk, card type, or provider volume discounts. Unlike payment orchestration platforms, which offer managed routing but may limit customization, advanced compliance support, provider availability, and long-term fee control, programmable vaults give merchants greater independence at the cost of building and maintaining their own payment automation. They can also protect other sensitive customer information and may be adopted incrementally, beginning with outsourced data storage and then adding providers and routing rules.

A personal account number (PAN) is the card number on a debit or credit card and serves as essential payment data, containing a major industry identifier for the card network, a bank identification number for the issuer, an account identifier, and a final validation digit. During card transactions, merchants collect the PAN through methods such as manual entry, card swipes, contactless payments, or digital wallets, then tokenize it before sending it through payment providers, card networks, and issuing banks for authorization. Because PANs are highly sensitive and subject to PCI-DSS security requirements, merchants commonly use third-party tokenization and payment vault services to store and reuse payment information without directly handling it. Push provisioning can simplify adding cards to digital wallets by allowing issuers to send PAN details directly to approved wallet providers, while card account updater services help merchants obtain replacement card information when stored cards expire or are reissued. Securely maintaining PAN-related data can reduce declined recurring payments and improve checkout convenience, but failures to protect it can create significant data-breach, compliance, and customer-trust risks.

November updates added 3DS mobile SDK support for React Native, iOS, and Android following the earlier rollout of 3DS transactions for Enterprise customers, with documentation available for integrating 3DS into mobile applications. Proxy Expressions now support generating HMAC signatures from detokenized request data, headers, and Pre-Configured Proxy settings, enabling integrations with payment partners such as dLocal that require request-integrity verification. Additional changes include Token Intent support for creating 3DS sessions, webhook creation and event-payload fixes, multiple Elements enhancements involving validation, language properties, error handling, event ordering, and text-length enforcement, as well as an Account Updater newline fix. The Multiple Search Terms feature is scheduled for deprecation on March 1, 2025.

Payment optimization helps businesses reduce payment-acceptance costs while improving convenience, security, conversion rates, sales, and profitability by identifying inefficient processes and improving validation, data collection, routing, and fee management. Key approaches include using third-party tokenized card vaults to protect sensitive data, reduce compliance burdens, and avoid dependency on a single payment service provider; expanding payment methods to include wallets, electronic checks, gift cards, and locally preferred options; and prioritizing mobile-first experiences with features such as biometric authentication. Businesses can also use multiple payment service providers to route transactions according to cost, geography, and payment type, though this requires secure data handling through PCI-DSS compliance or a tokenization partner. Fraud prevention remains essential, requiring reliable detection tools, employee training, and added verification for higher-risk transactions while minimizing false declines. Staying current with evolving payment technology, including programmable vaults, can help merchants retain control over payment data, connect with providers flexibly, and adapt their payment infrastructure over time.