API Documentation

Nexus API Documentation

REST references and integration guides for Nexus crypto payments: deposits, payouts, webhooks and merchant configuration, with code examples on every operation.

Integration guides

Integrator

Nexus Integration Recipe

Step-by-step backend recipe: setup and authentication, the six-step deposit flow and the five-step payout flow, mapped to Nexus API calls.

Setup · Deposits · Payouts
Open guide →

API reference

Merchant / integrator

Nexus API Reference

Authentication, merchant settings, currencies, payments, public client endpoints, payouts, webhooks, address book and fee groups.

52 operations
Open documentation →