Leverage the best in industry Ethereum access with Blast API

Blast enhances Ethereum's capabilities with high-performance, multi-chain API access, empowering developers to build sophisticated dApps with optimized, real-time data and historical insights.

Benefits of Ethereum

About Ethereum

Ethereum, the bedrock of modern dApp development, stands at the forefront of blockchain innovation with its Turing-complete Ethereum Virtual Machine (EVM). This environment enables the deployment of sophisticated smart contracts, setting the stage for diverse applications in DeFi, NFTs, and DAOs. Ethereum's intrinsic value lies in its robust smart contract functionality, supported by an ecosystem that encourages experimentation and implementation of complex decentralized applications.

Ethereum is home to the largest active developer community in the blockchain space. This has resulted in a wealth of open source tools and development frameworks, offering developers a foundation upon which they can build without starting from scratch.

Ethereum's flexibility in hosting a variety of token standards, primarily ERC-20 for fungible tokens and ERC-721 for NFTs, has set industry standards for token interoperability and functionality. These standards have become the cornerstone for token implementation across various blockchain projects, facilitating seamless interaction and integration within the broader ecosystem.

For developers, Ethereum's sophisticated smart contract capabilities offer a canvas for innovation. The network's security protocols, underpinned by cryptographic principles and decentralized architecture, ensure a secure environment for developing and deploying high-stakes applications. Moreover, the ongoing developments in layer-2 solutions and state channels open new avenues for scaling applications while preserving the decentralized ethos of the Ethereum blockchain.

As Ethereum continues to evolve, it remains the go-to platform for developers seeking a mature, versatile, and forward-thinking environment for blockchain application development. Its dynamic community, ever-evolving toolkit, and commitment to addressing industry challenges make it an unmatched platform for developers looking to push the boundaries of what's possible in the blockchain space.

In this context, Blast's API solutions integrate seamlessly with Ethereum's features, enhancing the development experience. Developers can leverage Blast's tools to easily access Ethereum's robust and mature ecosystem, taking advantage of its stability, ongoing enhancements, and comprehensive toolset for efficient and creative dApp development.

Free Public API for Ethereum

Ethereum Mainnet

The Ethereum Mainnet is the primary network for executing real Ether transactions and hosting live dApps, essential for Ethereum-based operations.

Public RPC Endpoint

Public WSS Endpoint





Returns the number of the most recent block

eth_blockNumber response

Returns the number of the most recent block


An integer value of the current block number the client is on


curl -X POST \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":0,"method":"eth_blockNumber"}'
See all Public APIs

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Blast Features for Ethereum Developers

Core API & Builder API

Blast custom APIs optimize throughput and latency on Ethereum with real-time data access, while Builder APIs leverage big data solutions and indexing to provide structured blockchain historical data.

Included with all plans

Pay in Crypto

Blast accepts on-chain payments via MetaMask and WalletConnect. Available to pay for plan upgrades, plan renewals or marketplace purchases.

Included with all plans

Trace API

This API provides detailed information about specific transactions on Ethereum, including their origins, destinations, intermediate steps, and associated data. Trace API is enabled starting with the Developer plan.

Included with Developer, Startup, Enterprise & Pay As You Go plans

Debug API

The Debug API gives Ethereum developers access to several non-standard RPC methods, which will allow them to inspect debug and set certain debugging flags during runtime. Debug API is enabled starting with the Developer plan.

Included with Developer, Startup, Enterprise & Pay As You Go plans

Frequently Asked Questions

What makes Ethereum a preferred platform for dApp development?

Ethereum's vast ecosystem, robust smart contract capabilities, and widespread adoption make it a top choice for most blockchain projects.

What unique features does Blast offer for Ethereum API users?

Blast features include Builder APIs, core RPC including archive nodes, debug and trace methods as well as a user-friendly interface for efficient blockchain development.

How does the Blast Builder API benefit Ethereum developers?

The Builder API simplifies access to structured data models and historical data, enabling developers to focus on development.

What kind of support does Blast offer for Ethereum API integration?

Blast offers comprehensive documentation, sandbox testing, and detailed method and code examples for seamless API integration.

Blast Resources for Ethereum Developers

Getting started on Ethereum using Blast APIs is straightforward. You can follow the instructions in our documentation to set up your development environment and start building.

Ethereum Articles

Ethereum Cancun-Deneb Upgrade – a detailed explanation

Ethereum Cancun-Deneb Upgrade – a detailed explanation

Following the upcoming Shanghai upgrade scheduled for April 2024, the next important milestone in Ethereum is the Cancun-Deneb upgrade, frequently referred to as Dencun, which aims to increase scalability and security, and lower fees for Ethereum L2 users. The upgrade will contain changes on both the consensus layer (the Cancun upgrade) and the execution layer (the Deneb upgrade). 

Blast Team

4 min read
Everything You Need to Know About HOLEŠKY

Everything You Need to Know About HOLEŠKY

Let’s take a deep dive into Etherum’s Holešky Testnet, a new dawn for development and testing! On Thursday, September 28, developers launched a new testnet for Ethereum called Holešky to allow for more rigorous testing of network upgrades. As Holesky prepares to take over from Goerli as the primary Ethereum testnet, we delve into the […]

Blast Team

3 min read