BIN 400555 Mastercard - Blog

Introducing BankData: The Unified API Stack for Global Bank & Card Validation

In a world where financial transactions happen across borders, platforms, and currencies, accuracy and trust in bank data have never been mo...

Routing Number API: Validate ABA Numbers Over REST

A routing number API checks a 9-digit ABA number over REST. POST /api/v1/routing/validate with X-API-Key returns bank name, city, ACH vs wir...

ACH vs Wire Routing Number API

The same ABA routing number can resolve to ACH in Tampa and wire in New York. BankDataStack POST /api/v1/routing/validate with payment_type...