Gateway

Issue and process any type of card with your sponsor banks

Customized Authorization Decisioning

Apply custom authorization logic to accept or decline transactions in real-time, then modify and improve your logic on-the-go; layer on any of our readily available spend controls that fit your use case.

Direct Network Reliability

Access Visa and Mastercard's latest technology and rich data streams via our direct connections which offer better reliability, flexibility, and fewer third party dependencies.

Complete Ledger Flexibility

Pair our gateway with your homegrown ledger, a third-party ledger, or use it in conjunction with our Lithic Core

Easy & Reliable Settlement Reporting

Settlement and interchange details for all transactions via the API. Easily create cash reconciliation and other reports for your bank, operations and finance teams.

Get Started

We build payments infrastructure for technology companies that just works
How Mercury Scaled Cards with Lithic
Customers
Guides

Following hot on the heels of our Java client library, we’re excited to announce our Kotlin client library

Issuer Processors 101: What They Are and How They Power Card Programs
Guides

Following hot on the heels of our Java client library, we’re excited to announce our Kotlin client library