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ChainKit SDK

The ChainKit SDK provides web3 application developers with multi-chain data related to Avalanche’s primary network, Avalanche L1s, and Ethereum. With the Data API, you can easily build products that leverage real-time and historical transaction and transfer history, native and token balances, and various types of token metadata.
Migration Notice: This SDK was previously known as the AvaCloud SDK. We have made namespace changes and will discontinue the AvaCloud SDK in favor of the ChainKit SDK. For migration guidance and specific method updates, please refer to the individual method documentation.
The SDK is currently available in TypeScript, with more languages coming soon. If you are interested in a language that is not listed, please reach out to us in the #dev-tools channel in the Avalanche Discord.

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SDK Installation

npm add @avalanche-sdk/chainkit

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SDK Example Usage

import { Avalanche } from "@avalanche-sdk/chainkit";

const avalancheSDK = new Avalanche({
    apiKey: "<YOUR_API_KEY_HERE>",
    chainId: "43114",
    network: "mainnet",
});

async function run() {
    const result = await avalancheSDK.metrics.healthCheck();

    // Handle the result
    console.log(result);
}

run();
Refer to the code samples provided for each route to see examples of how to use them in the SDK. Explore routes here Data API, Metrics API & Webhooks API.