published

Etherscan API

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

Developed by Etherscan

Live API
99.90%Uptime
200msLatency
0Stars
No AuthAuth
NoCredit Card
RESTStyle
v1Version
API Endpoints

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

Retrieve Ethereum transaction details

Full Endpoint URL
https://api.etherscan.io/api
Implementation Example
curl -X GET 'https://api.etherscan.io/api' \
  -H 'Authorization: Bearer YOUR_API_KEY'
Request Payload
{
  "action": "eth_getTransactionByHash",
  "module": "proxy",
  "txhash": "0x..."
}
Expected Response
{
  "result": {
    "hash": "0x...",
    "value": "0x123"
  },
  "jsonrpc": "2.0"
}
Version:v1
Limit:5 requests/second (free tier)
Real-World Applications
  • Building Ethereum-based decentralized applications (dApps) that track on-chain transactionsOptimized Capability
  • Creating crypto wallets that require real-time balance and transaction history updatesOptimized Capability
  • Developing analytical dashboards for monitoring gas prices and network activityOptimized Capability
  • Integrating ERC-20 and ERC-721 token data into blockchain applicationsOptimized Capability
  • Building DeFi tools for smart contract interaction and transaction verificationOptimized Capability
Advantages
  • ✓ Comprehensive coverage of Ethereum blockchain data
  • ✓ No API key required for basic usage
  • ✓ Supports a wide range of Ethereum data endpoints including tokens and contracts
  • ✓ Simple HTTP request interface with JSON responses
Limitations
  • ✗ Limited official SDK support
  • ✗ Rate limits can restrict high-volume applications without paid plans
  • ✗ Documentation could be clearer for complex queries
  • ✗ No official WebSocket support for real-time updates

FAQs

API Specifications

v1
Pricing Model
Freemium with paid upgrades for higher usage
Credit Card
Not Required
Response Formats
JSON
Supported Languages
7 Languages
SDK Support
REST Only
Time to Hello World

Minutes

Rate Limit

5 requests per second by default, with paid plans offering higher limits

Free Tier Usage

Free tier allows up to 5 requests per second with no authentication required. Paid plans available for higher rate limits and additional features.

Use Case: Best For

Developers building Ethereum dApps, wallets, and analytics tools

Not Recommended For

Applications requiring high-frequency, real-time blockchain event streaming

Resources

Documentation Official Website Pricing Details Postman Collection
#blockchain-data#ethereum-explorer#transaction-tracking#etherscan

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