Ethplorer

API

Free Ethereum Blockchain Data API for Tokens, Balances & Transactions

Overview

Ethplorer API provides RESTful access to Ethereum blockchain data including ERC20/ERC721 token details, address balances, transaction history, contract metadata, and custom data structures. Responses are JSON-formatted. Use cases include building crypto wallets, portfolio trackers, token analytics tools, or integrating blockchain data into dApp dashboards. It supports public (rate-limited) and pro plans for higher throughput and advanced features like bulk queries.

Example Integration (JavaScript)

script.js JS


fetch('https://github.com/EverexIO/Ethplorer/wiki/Ethplorer-API')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful
JSON support
No Auth required (public tier)
ERC20/ERC721 support
Transaction history access
Contract metadata retrieval

Frequently Asked Questions

? Is Ethplorer free to use?

Yes, Ethplorer offers a free tier with rate limits. Pro plans are available for higher usage and advanced features like bulk queries.

? Does it require an API Key?

The public tier does not require an API key, but pro plans require authentication via an API key for higher rate limits and premium features.

? What is the response format?

All API responses are in JSON format, which is widely supported and easy to parse for integration into applications.

Top Alternatives

Etherscan API Search Google

Tool Info

Pricing Freemium

Category Cryptocurrency

Platform Public API

Pros

⊕ Easy to integrate
⊕ Comprehensive blockchain data
⊕ Free tier available
⊕ Supports multiple token standards

Cons

⊖ Rate limits on free tier
⊖ No official SLA for free users
⊖ Limited advanced features in free plan