# @aeternity/aepp-sdk > SDK for the æternity blockchain Latest version **15.0.0** (published 2026-09-07) · ISC license · 0 weekly downloads ## Install ```sh npm install @aeternity/aepp-sdk pnpm add @aeternity/aepp-sdk yarn add @aeternity/aepp-sdk bun add @aeternity/aepp-sdk ``` ## Health **Score 70/100 (B)** — status: active. Positive: has types; esm support; no vulnerabilities; recently updated; high maintenance score; high quality score. Warnings: low downloads; large bundle. ## Facts | | | |---|---| | Version | 15.0.0 | | Published | 2026-09-07 | | First published | 2018-03-27 | | Weekly downloads | 0 | | License | ISC | | TypeScript types | bundled | | Module format | ESM + CommonJS | | Node | >=18.19 | | Dependencies | 31 | | Unpacked size | 14 MB | | Known vulnerabilities | 0 | | Install scripts | no | | GitHub stars | 255 | | Maintainers | dincho, thepiwo, davidyuk, marc0olo, aebot, hanssv | | Keywords | API, aeternity, blockchain, SDK | ## Links - npm: https://www.npmjs.com/package/@aeternity/aepp-sdk - Repository: https://github.com/aeternity/aepp-sdk-js - Homepage: https://sdk.aeternity.io/ - Issues: https://github.com/aeternity/aepp-sdk-js/issues - npm.io page: https://npm.io/package/@aeternity/aepp-sdk ## Dependencies (31) - [ws](https://npm.io/package/ws.md) ^8.18.1 - [rlp](https://npm.io/package/rlp.md) ^3.0.0 - [bs58](https://npm.io/package/bs58.md) ^6.0.0 - [buffer](https://npm.io/package/buffer.md) ^6.0.3 - [events](https://npm.io/package/events.md) ^3.3.0 - [sha.js](https://npm.io/package/sha.js.md) ^2.4.11 - [blakejs](https://npm.io/package/blakejs.md) ^1.2.1 - [process](https://npm.io/package/process.md) ^0.11.10 - [@types/ws](https://npm.io/package/@types/ws.md) ^8.18.1 - [tweetnacl](https://npm.io/package/tweetnacl.md) ^1.0.3 - [websocket](https://npm.io/package/websocket.md) ^1.0.35 - [@types/node](https://npm.io/package/@types/node.md) ^22.15.3 - [json-bigint](https://npm.io/package/json-bigint.md) ^1.0.0 - [@scure/bip39](https://npm.io/package/@scure/bip39.md) ^1.6.0 - [bignumber.js](https://npm.io/package/bignumber.js.md) ^9.3.0 - [canonicalize](https://npm.io/package/canonicalize.md) ^2.1.0 - [@types/sha.js](https://npm.io/package/@types/sha.js.md) ^2.4.4 - [eventemitter3](https://npm.io/package/eventemitter3.md) ^5.0.1 - [isomorphic-ws](https://npm.io/package/isomorphic-ws.md) ^5.0.0 - [tweetnacl-auth](https://npm.io/package/tweetnacl-auth.md) ^1.0.1 - [@types/websocket](https://npm.io/package/@types/websocket.md) ^1.0.10 - [@azure/core-client](https://npm.io/package/@azure/core-client.md) ^1.9.3 - [@types/json-bigint](https://npm.io/package/@types/json-bigint.md) ^1.0.4 - [@metamask/providers](https://npm.io/package/@metamask/providers.md) ^22.1.0 - [webextension-polyfill](https://npm.io/package/webextension-polyfill.md) ^0.12.0 - [@babel/runtime-corejs3](https://npm.io/package/@babel/runtime-corejs3.md) ^7.27.0 - [@ledgerhq/hw-transport](https://npm.io/package/@ledgerhq/hw-transport.md) ^6.31.4 - [@types/readable-stream](https://npm.io/package/@types/readable-stream.md) ^4.0.18 - [@aeternity/aepp-calldata](https://npm.io/package/@aeternity/aepp-calldata.md) ^1.9.1 - [@azure/core-rest-pipeline](https://npm.io/package/@azure/core-rest-pipeline.md) ^1.19.1 - [@types/webextension-polyfill](https://npm.io/package/@types/webextension-polyfill.md) ^0.12.3 ## Recent versions - 15.0.0 (latest) — 2026-09-07 - 13.0.0-beta.0 (beta) — 2023-03-01 - 13.0.0-alpha.1 (alpha) — 2023-01-13 - 14.1.1 — 2026-03-26 - 14.1.0 — 2025-04-29 - 14.0.0 — 2024-10-20 - 13.3.3 — 2024-07-18 - 13.3.2 — 2024-04-22 - 13.3.1 — 2024-04-19 - 13.3.0 — 2024-04-09 - 13.2.2 — 2023-09-21 - 13.2.1 — 2023-07-29 - 13.2.0 — 2023-07-28 - 13.1.0 — 2023-07-07 - 13.0.1 — 2023-04-25 - … 95 more at https://npm.io/package/@aeternity/aepp-sdk/versions ## README # [æternity](https://aeternity.com)'s JavaScript SDK [![main action](https://github.com/aeternity/aepp-sdk-js/actions/workflows/main.yml/badge.svg)](https://github.com/aeternity/aepp-sdk-js/actions/workflows/main.yml) [![codecov](https://codecov.io/gh/aeternity/aepp-sdk-js/branch/develop/graph/badge.svg?token=wON6gOciRP)](https://codecov.io/gh/aeternity/aepp-sdk-js) [![docs](https://github.com/aeternity/aepp-sdk-js/actions/workflows/docs.yml/badge.svg)](https://github.com/aeternity/aepp-sdk-js/actions/workflows/docs.yml) [![npm](https://img.shields.io/npm/v/@aeternity/aepp-sdk.svg)](https://www.npmjs.com/package/@aeternity/aepp-sdk) [![npm](https://img.shields.io/npm/l/@aeternity/aepp-sdk.svg)](https://www.npmjs.com/package/@aeternity/aepp-sdk) JavaScript SDK for the revolutionary [æternity] blockchain, targeting the [æternity node] implementation. The aepp-sdk is [hosted on GitHub]. [æternity]: https://aeternity.com [æternity node]: https://github.com/aeternity/aeternity [hosted on GitHub]: https://github.com/aeternity/aepp-sdk-js ## Guides & Examples Introduction - [Installation](docs/README.md) - [Quick Start](docs/quick-start.md) Usage guides: - [AENS](docs/guides/aens.md) (æternity naming system) - [Contracts](docs/guides/contracts.md) - [Contract Events](docs/guides/contract-events.md) - [Oracles](docs/guides/oracles.md) - [PayingForTx](docs/guides/paying-for-tx.md) (Meta-Transactions) - [Batch Transactions](docs/guides/batch-requests.md) - [Error Handling](docs/guides/error-handling.md) - [Low vs High level API](docs/guides/low-vs-high-usage.md) - [Typed data hashing and signing](docs/guides/typed-data.md) - [Usage with TypeScript](docs/guides/typescript.md) - [JWT usage](docs/guides/jwt.md) - [Transaction options](docs/transaction-options.md) - [Range of possible address length](docs/guides/address-length.md) - Wallet Interaction - [Connect an æpp to a wallet](docs/guides/connect-aepp-to-wallet.md) - [How to build a wallet](docs/guides/build-wallet.md) - [Ledger Hardware Wallet](docs/guides/ledger-wallet.md) - [Aeternity snap for MetaMask](docs/guides/metamask-snap.md) There are also [examples](examples/README.md) that you can directly use and play with. ### [API Reference](https://sdk.aeternity.io/v14.1.0/api/) ## CLI - Command Line Interface To quickly test _all_ of æternity's blockchain features from your terminal, you can install and use the [CLI](https://github.com/aeternity/aepp-cli-js) by running: 1. `npm i -g @aeternity/aepp-cli` to globally install the CLI 2. `aecli --help` to get a list of possible commands ## Contributing For advanced use, to get a deeper understanding of the SDK or to contribute to its development, it is advised to read the [Contributing Guidelines](docs/contrib/README.md) section. ## Changelog We keep our [Changelog](docs/CHANGELOG.md) up to date. --- _Source: https://npm.io/package/@aeternity/aepp-sdk · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._