Avalanche RPC
Avalanche Overview
Avalanche is a Layer 1 blockchain platform designed for high throughput and low latency. It uses a multi-chain architecture consisting of three built-in blockchains:
- Exchange Chain (X-Chain): for creating and transferring digital assets
- Platform Chain (P-Chain): for coordinating validators and managing subnets
- Contract Chain (C-Chain): fully compatible with Ethereum's EVM for smart contracts
Avalanche employs two consensus protocols: Avalanche consensus for the DAG-based X-Chain and Snowman consensus for linear chains such as the C-Chain and P-Chain. Together, these enable the network to typically finalize transactions in under 1 second while maintaining security and decentralization.
The platform also supports subnets, custom blockchain networks where developers can define their own validator sets, virtual machines, and tokenomics, enabling application-specific blockchains to scale efficiently.
Interacting with Avalanche's APIs
Avalanche nodes expose multiple JSON-RPC interfaces for each chain. The C-Chain is compatible with Ethereum's JSON-RPC API, meaning developers can use Ethereum's native tools, such as Foundry, Hardhat, and popular Web3 libraries, without modification. The P-Chain and X-Chain have their own specific APIs for platform and asset management operations.
However, due to Avalanche's architectural differences, some RPC methods may behave differently from those on Ethereum. The Quicknode Avalanche documentation is continuously evolving as the chain undergoes upgrades and changes, so we highly recommend cross-referencing with the official Avalanche documentation for the latest updates and RPC differences.
Make Avalanche API Calls
The quickest way to start building on Avalanche is to create a Quicknode endpoint and send your first JSON-RPC request.
Quicknode provides managed Avalanche endpoints, giving you immediate access to the Avalanche Mainnet and Fuji Testnet without the overhead of running infrastructure. These endpoints offer:
- 高可靠性——全球佈局的基础設施，旨在將停機時間降至最低
- 提升效能——針對生產級應用程式優化延遲與請求處理
- 整合式生態系統——透過 Quicknode Marketplace 上的專用 API（附加元件）以及 Streams 等產品，提供額外功能
請造訪「快速入門」頁面，建立您的端點並發送第一個請求。
支援的網路
Quicknode provides access to the following Avalanche networks:
Complete reference for developers building on Avalanche with Quicknode:
快速入門
Get started with Avalanche quickly. Follow our step-by-step quickstart to set up your endpoint and make your first API request.
供應商端點
Learn how to configure and manage your Avalanche endpoints for optimal performance and reliability.
API 概覽
探索受支援的 API、網路、Quicknode 產品以及增強的 API 功能，以建置功能強大的應用程式。
市集
探索並整合來自 Quicknode 市集的強大外掛程式與工具，以強化您的 Web3 應用程式。
端點安全
透過身分驗證、白名單機制及最佳安全實務，確保您的端點安全。
錯誤代碼
Understand common error codes and troubleshooting steps for Avalanche API requests.