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Overview

Avalanche is an open-source platform for launching decentralized applications and enterprise blockchain deployments in one interoperable, highly scalable ecosystem. Avalanche is the first smart contracts platform that processes 4,500+ transactions/second and instantly confirms transactions. Ethereum developers can quickly build on Avalanche as Solidity works out-of-the-box. A key difference between Avalanche and other decentralized networks is the consensus protocol. Over time, people have come to a false understanding that blockchains have to be slow and not scalable. The Avalanche protocol employs a novel approach to consensus to achieve its strong safety guarantees, quick finality, and high-throughput, without compromising decentralization.
GoldRush offers the most comprehensive Avalanche C-Chain Data API suite for developers, analysts, and enterprises. Whether you’re building a DeFi dashboard, a wallet, a trading bot, an AI agent or a compliance platform, our Avalanche C-Chain Data APIs provide fast, accurate, and developer-friendly access to the essential onchain data you need.

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Supported APIs

Foundational API

Access structured historical blockchain data across 100+ chains using REST APIs. Get token balances, transaction histories, decoded event logs, NFT assets, token holders and more.

Use cases: Wallets, portfolio trackers, crypto accounting & tax tools, and DeFi dashboards.

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Mainnet

PropertyValue
Chain Nameavalanche-mainnet
Chain ID43114
Network TypeFrontier Chain
Support Levelfrontier
Block ExplorerExplorer
Official WebsiteAvalanche C-Chain Website
Native Gas TokenAVAX

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Testnet

PropertyValue
Chain Nameavalanche-testnet
Chain ID43113
PurposeDevelopment and testing network
Support Levelfrontier
Block ExplorerExplorer
Native Gas TokenAVAX

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API Usage

To use this blockchain network in GoldRush API calls, use:

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Chain Name

  • avalanche-mainnet (mainnet)
  • avalanche-testnet (testnet)

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Example API Calls

curl -X GET "https://api.covalenthq.com/v1/avalanche-mainnet/address/0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045/balances_v2/?key=API_KEY"

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SDK Usage

import { GoldRushClient } from "@covalenthq/client-sdk";

const client = new GoldRushClient("API_KEY");
const resp = await client.BalanceService.getTokenBalancesForWalletAddress({
    chainName: "avalanche-mainnet",
    walletAddress: "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
});

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Foundational API Support

This chain supports 22 GoldRush Foundational APIs:

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Wallet API

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Pricing API

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Security API

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Activity Feed API

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Block Explorer API

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Additional Resources