Public SDK Reference

Public npm libraries for building with XYO Protocol and XYO Layer One.

This reference covers supported libraries that are publicly available from npm.

Choose a library

XL1

Chain applications

Connect to XL1 from TypeScript or React through published SDK entry points.

XYO

Protocol data

Work with public payload, schema, account, Bound Witness, and module APIs.

Storage

Archivist adapters

Use the published S3-compatible archivist library and its public provider profiles.

The npm package page and exported TypeScript declarations are the source of truth. Packages are rechecked before they are added to this reference.