SDK Reference

API reference for the Avail Nexus SDK bridge, swap, and balance methods.

This section contains dedicated pages for the main functions exposed by the Avail Nexus SDK (@avail-project/nexus-core).

bridge(), bridgeAndTransfer(), bridgeAndExecute(), calculateMaxForBridge(), and getBalancesForBridge().

swapWithExactIn(), swapWithExactOut(), swapAndExecute(), calculateMaxForSwap(), and getBalancesForSwap().

listIntents() — fetch a user's historical intents with pagination and status filters.

Per-operation hooks and the typed NexusError hierarchy.

Client creation, lifecycle, chain/token lookups, and stateless helpers.

External links

View the Nexus SDK source code and contribute.

@avail-project/nexus-core on npm.

Every breaking change between nexus-core v1 and v2.

Install skills.sh skills to give AI coding agents deep context about the Nexus SDK and Widgets.

Client lifecycle, operations, hooks, events, errors, and v1 → v2 migration.

Provider setup plus swap, send, and deposit mode integration.

See the Skills Integration section for install commands and the full list of available skills.

The Nexus SDK exposes a suite of helper functions and constants used throughout the SDK.

Formatting and utility functions on GitHub.

Public types and the NexusError hierarchy on GitHub.

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