Avalanche C-Chain API Quickstart
Get started building on Avalanche Chain and using the JSON-RPC API
To use the Avalanche C-Chain API you’ll need to create a free Alchemy account first!
Introduction
Avalanche is an EVM-compatible blockchain known for its high throughput and low latency. Designed to support the needs of decentralized applications (dApps), Avalanche provides a scalable and efficient environment for deploying Ethereum-based applications with near-instant finality.
What is the Avalanche C-Chain API?
The Avalanche C-Chain API facilitates interaction with the Avalanche network through a collection of JSON-RPC methods. Given its compatibility with the Ethereum ecosystem, developers familiar with Ethereum’s JSON-RPC APIs will find working with Avalanche both intuitive and straightforward.
Getting Started Instructions
1. Choose a Package Manager (npm or yarn)
Your first step involves selecting a package manager, which will be crucial for managing your project’s dependencies. The choice between npm
and yarn
depends on your personal preference or project requirements.
2. Set Up Your Project
To kickstart your project, open your terminal and execute the following commands:
This creates a new directory named avalanche-api-quickstart
and initializes a Node.js project within it.
3. Make Your First Request
For making API requests, we’ll use Axios, a widely-used HTTP client. Install Axios with the following command:
Next, create an index.js
file in your project directory. Paste the following code to send a request to the Avalanche network:
Remember to replace yourAPIKey
with your actual Alchemy API key that you can get from your Alchemy dashboard.
4. Run Your Script
To execute your script and make a request to the Avalanche Chain, run:
You should see the current block number on Avalanche Chain (in hexadecimal format) outputted to your console:
Next Steps
Well done! You’ve just made your first request to the Avalanche C-Chain API. With this foundation, you can dive deeper into the array of JSON-RPC methods available on Avalanche Chain and start building your dApps on it!