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nem2-sdk for TypeScript and JavaScript

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The official nem2-sdk for TypeScript and JavaScript, available for browsers, mobile applications and NodeJS, to work with the NEM2 (a.k.a Catapult)

Important Notes

Due to a network upgrade with catapult-server@cow version, transactions from Alpaca&Bison are not compatible anymore.

The upgrade to this SDK's version v0.11 is mandatory for cow compatibility.

Other versions like version v0.10.1-beta can be used for bison network version.



  • NodeJS 8.9.X
  • NodeJS 9.X.X
  • NodeJS 10.X.X


npm install nem2-sdk rxjs

Documentation and Getting Started

Get started and learn more about nem2-sdk-typescript-javascript, check the official documentation.

Check SDK reference here

nem2-sdk Releases

The release notes for the nem2-sdk can be found here.


This project is developed and maintained by NEM Foundation. Contributions are welcome and appreciated. You can find nem2-sdk on GitHub; Feel free to start an issue or create a pull request. Check CONTRIBUTING before start.

Getting help

We use GitHub issues for tracking bugs and have limited bandwidth to address them. Please, use the following available resources to get help:


Important versions listed below. Refer to the Changelog for a full history of the project.

  • 0.11 - Cow compatible - 14.03.2019
  • 0.10.1-beta - Alpaca compatible 07.2018


Copyright (c) 2018-2019 NEM Licensed under the Apache License 2.0

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