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Highnote Documentation

Explore our guides and try out the code; see how easy it is to build with Highnote.

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Get Started

Launch your first card program in weeks, not months—with sandbox testing, quick onboarding, and expert guidance at every step.

Issuing Cards

Create virtual and physical cards with flexible funding models, real-time controls, and comprehensive program management—all in one platform.

Acquiring Payments

Accept payments with direct network integration, transparent pricing, and seamless reconciliation powered by our unified ledger.

For Developers

Build faster with GraphQL API, interactive code explorer, PCI-compliant SDKs, and real-time web hooks designed for modern development.

Stay in sync with Highnote updates

API Changelog

Keep track of changes and upgrades to the Highnote API.

Product Changelog

View additions and feature updates to the Highnote platform.