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Blockchain API
With fast and
Reliable performance

Experience the best latency, stability, and scalability across major blockchains. Get started for free right now!

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Best choice of
Performance and reliability

Reduce the burden on your blockchain infrastructure. Use the Web3 API to manage upgrades and disruptions,
And focus solely on your customers and your business

Incredibly fast

On average, our blockchain API response is 2.5 times faster than our competitors. Check out our comparison tool for yourself.

High Availability

Uptime SLA ensures that applications are always up and running.

High Reliability

Uptime SLAs ensures that applications are up and running when needed.

Unlimited
Scalability

Whether it's 10 people today or billions tomorrow, you can expand whenever you need it, regardless of the number of users.

Real-time
Analysis

Quickly check critical indicators over time, such as method calls, response status, and response time.

High level
Security

We value the security of your endpoints. We provide token authentication, refurbishment whitelist, and domain masking.

Historical data

Easily query and analyze past data from wallets, NFTs, and tokens.

Simplified coding

StackOverflow's SDK support for popular developing languages simplifies code writing in different languages.

Easy blockchain
Easy blockchain

Now you don't have to worry about bugs, uptime issues, or customer complaints. With us,
You can simplify the development process at no cost.

Build without any more hassle.

SDKs based
On various languages are supported.

We offer a variety of sample codes, including sample wallets and NFT markets. Use our SDK to navigate the blockchain with concise code and get additional information with industry-leading documents!

Read docs

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const BLOCKSDK = require("blocksdk-js");
const client = new BLOCKSDK(
  "Node_RPC_TOKEN",
  "https://mainnet-api.blocksdk.com"
);

client.ethereum.GetBlockChainInfo().then(
  answer => console.log(answer)
);

client.ethereum.GetBlock("block" : "blockNumber or blockHash").then(
  answer => console.log(answer)
);

Documentation

Find powerful documents for all supported chains and find out how to call the WEB3 API using the latest libraries and code examples across Python, Ruby, JavaScript, and cURL.

Looking at the document

Guide

Find the right guide to help distribute smart contracts, create NFTs, build distributed applications, and more on all supported blockchains.

Looking at the guide

Blog

Check out the latest announcements about major releases, new features, chains, and more.

Take a look at your blog

Are you ready?

With BLOCKSDK, you can query and create data from more than a dozen cross-chains in seconds. DirectDB automates the DB system construction by collecting and aggregating all types of WEB3 data through custom DB settings. Industry-leading companies trust us and you can do the same.

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