# Use Cases
source: https://developer.mastercard.com/merchant-identifier/documentation/use-cases/index.md

The Merchant Identifier API transforms raw, unstructured data into standardized, high-quality merchant intelligence.

By resolving noisy inputs, the API returns enriched merchant attributes such as normalized names, category codes, locations, brand affiliations, and unique identifiers. This enriched data serves as a foundational layer for a wide range of downstream applications across fintechs, banking, payments, and e-commerce. It enables more effective risk and compliance workflows, improved customer experiences, deeper analytics, and accurate loyalty and rewards attribution.

## [Digital Banking Experience →](https://developer.mastercard.com/merchant-identifier/documentation/use-cases/digital-banking-experience/index.md) {#digital-banking-experience-rarrhahahugoshortcodes0hbhb}

Enrich every transaction with verified merchant details to deliver a clean, transparent banking experience modern customers expect.

## [Loyalty Attribution and Spend Controls →](https://developer.mastercard.com/merchant-identifier/documentation/use-cases/loyalty-attribution-and-spend-controls/index.md) {#loyalty-attribution-and-spend-controls-rarrhahahugoshortcodes1hbhb}

Accurately attribute every transaction to a verified merchant location, enabling confident, precise, and scalable reward attribution across programs and campaigns.

## [Transaction Analytics →](https://developer.mastercard.com/merchant-identifier/documentation/use-cases/transaction-analytics/index.md) {#transaction-analytics-rarrhahahugoshortcodes2hbhb}

Enrich transactions to enable deeper spending analysis, customer segmentation, and business performance insights for financial institutions and merchants.

## [Know Your Business →](https://developer.mastercard.com/merchant-identifier/documentation/use-cases/know-your-business/index.md) {#know-your-business-rarrhahahugoshortcodes3hbhb}

Verify merchant identity, category, and location at scale, powering confident commercial decisions across onboarding, programs, and real-time transactions.