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Offline Payments
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Overview

Last reviewed: Oct 6, 2026

The Issuer API allows card issuers to manage the operational lifecycle of payment cards. It provides a set of endpoints that allow authorized issuers to perform state-changing operations on ILP-enabled cards.

The Merchant API is a control plane API for merchants, operators, and internal systems participating in the Interledger Cards ecosystem. It provides for centralized onboarding and management of merchants, locations, and POS terminals.