
Top Blockchain APIs
Find the best dev tools for your blockchain project faster with the ultimate web3 library
AllAPIsSDKsStorageNode ProvidersExplorersIndexersDeployment ToolsIdentity ToolsWalletsOraclesPayment Tools
Sort:
Filters
Type
Additional products
Pricing
BlockCypher
ETH
Easy-to-use interface for accessing and manipulating data on the Ethereum network.

Infstones
ETH
Deploy dApps on various blockchains, launch and manage nodes, stake PoS tokens.

Cloudflare Ethereum Gateway
ETH
Retrieve data, send transactions, execute smart contracts through a simple interface.

Blockdaemon
ETH
SOL
Stake, scale, and deploy nodes. Institutional grade secure and scalable node platform.

QuickNode
ETH
SOL
Production, staging, and testing environments through a simple control panel.

GetBlock
ETH
SOL
Connect to a private server for the blockchain to get high speed without rate limits.

ANKR
ETH
SOL
Globally distributed node infrastructure allows the building of multi-chain tools.

WatchData
ETH
SOL
Balances, transactions, blocks, tokens, logs, and others in a structured format.

Coinmarketcap API
ETH
SOL
The world's cryptocurrency data authority has a professional API made for you.

Coinpaprika API
ETH
SOL
The only cryptocurrency API you will ever need
Fast & accurate, trusted by the community.

Cryptowatch API
ETH
SOL
Our REST API provides real-time market data for thousands of markets on 23 exchanges.

CoinCap API
ETH
SOL
CoinCap is a useful tool for real-time pricing and market activity for over 1,000 cryptocurrencies.

Opensea API
ETH
SOL
The OpenSea API helps developers build new experiences using NFTs and our marketplace data
What is a Blockchain API?
A Blockchain API (Application Programming Interface) serves as a set of rules and protocols that allow developers to interact with blockchain platforms. Through these APIs, developers can send, retrieve, and process data on a blockchain without needing to understand its intricate underlying mechanics. Essentially, it simplifies the process of building and integrating applications, services, or tools with a blockchain.
Blockchain API's Features
- Data Retrieval: APIs often allow users to query transaction details, wallet balances, block information, and more from a blockchain.
- Transaction Broadcast: They enable developers to send transactions to the blockchain, facilitating actions like wallet transfers or smart contract interactions.
- Smart Contract Interaction: For blockchains that support smart contracts, APIs provide methods to deploy, invoke, or query these contracts.
- Security: Secure communication is vital. APIs typically utilize cryptographic methods to ensure data integrity and authenticity.
- Integration with External Systems: Blockchain APIs can act as bridges, allowing external systems or applications to connect with and utilize blockchain functionalities.
- Flexibility: They offer a range of functions tailored for different use cases, from simple data queries to complex transaction processing.