published

Web3.js Ethereum API

Web3.js is a JavaScript and TypeScript library allowing developers to interact with Ethereum and EVM-compatible networks, perfect for blockchain application development.

Developed by Ethereum Foundation

Live API
99.90%Uptime
150msLatency
20kStars
API KeyAuth
NoCredit Card
RESTStyle
1.7.4Version
API Endpoints

Reference for available routes, request structures, and live examples.

Executes Ethereum blockchain operations

Full Endpoint URL
https://github.com/
Implementation Example
curl -X POST 'https://github.com/'
Request Payload
{
  "id": 1,
  "method": "eth_blockNumber",
  "params": [],
  "jsonrpc": "2.0"
}
Expected Response
{
  "id": 1,
  "result": "0x10c7b6",
  "jsonrpc": "2.0"
}
Version:v1
Limit:1000 requests/minute
Real-World Applications
  • Building decentralized applications (dApps) on EthereumOptimized Capability
  • Creating automated cryptocurrency trading botsOptimized Capability
  • Developing NFT marketplaces for digital collectiblesOptimized Capability
  • Implementing blockchain analytics tools for real-time monitoringOptimized Capability
  • Interacting with smart contracts programmaticallyOptimized Capability
Advantages
  • ✓ Comprehensive and widely adopted Ethereum interaction library
  • ✓ Supports multiple provider protocols (HTTP, WebSocket, IPC)
  • ✓ Rich ecosystem and strong community support
  • ✓ Open-source with regular updates and improvements
Limitations
  • ✗ Relies on external node providers which might introduce rate limits
  • ✗ Complexity can be high for beginners in blockchain development
  • ✗ Performance depends on underlying Ethereum node infrastructure
  • ✗ No built-in direct support for non-EVM blockchains

FAQs

API Specifications

1.7.4
Pricing Model
Freemium with paid tiers for higher usage and premium features
Credit Card
Not Required
Response Formats
JSON
Supported Languages
4 Languages
SDK Support
JavaScript, TypeScript
Time to Hello World

Less than 1 hour

Rate Limit

Depends on node provider; typically 100,000 requests/day on free tier

Free Tier Usage

Free tier with up to 100,000 requests per day via popular node providers like Infura

Use Case: Best For

Developers building dApps, NFT platforms, and blockchain tools on Ethereum

Not Recommended For

Applications requiring non-Ethereum blockchains or extremely high throughput blockchain nodes

Resources

Documentation Official Website Pricing Details Postman Collection
#web3#ethereum

Explore Related APIs

Discover similar APIs to Web3.js Ethereum API

View All APIs
PUBLIC

Covalent API

The Covalent API offers seamless access to aggregated blockchain data from various networks, enabling developers to build multi-chain applications efficiently.

BlockchainView Details
PUBLIC

Etherscan API

The Etherscan API offers developers free access to Ethereum blockchain data, suitable for applications like crypto wallets, DeFi, and analytics tools.

BlockchainView Details
PUBLIC

The Graph API

The Graph API provides developers free access to blockchain data, enabling efficient queries using GraphQL for dApp development and analytics.

BlockchainView Details