Japan Open Chain

The only Japan Open ChainJust added! provider you’ll ever need

Build on Japan Open Chain with the fastest RPC Nodes, a comprehensive library of web3 APIs, and the most performant blockchain ETL tools—all backed by enterprise-grade infrastructure.

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Battle-tested infrastructure for Japan Open Chain builders

Providing performance and reliability at scale for the world's top businesses and onchain projects. Join them.

400 billion+

API requests handled monthly, we can handle any volume you need.

99.99%

Uptime SLA ensures you're only paying while we're online.

2.5x

Faster API response times than our competitors.

24/7

Access to our support team, Discord community, and docs.

Everything you need to build on Japan Open Chain, all under one account

1 supported network
  • Mainnet
  • 01
  • 02
  • 03
  • 04
  • 05
  • 06
  • 07
  • 08
  • 09
  • 10
// import the QuickNode SDK
import { Core } from '@quicknode/sdk'
// create a connection to your endpoint
const core = new Core({
endpointUrl: "https://docs-demo.quiknode.pro/",
})
// call the getBlockNumber method
core.client.getBlockNumber()
Core RPC API

Reliable & scalable RPC endpoints

Connect to Japan Open Chain with one line of code and get unparalleled latency, reliability, and scalability.

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Looking for something dedicated?

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Streaming block data
18% complete
137 blocks till tip
Last streamed block: 10343453
Webhook destination
https://quicknode.com/api/webhook

Payload logs

View all logs
Streams

Real-time data and historical backfills

Stream data from Japan Open Chain to your application in real-time. Monitor transactions, logs, and more.

Learn more

Not yet supported on Japan Open Chain

Functions

Serverless functions for web3 developers

Filter, transform, and enrich blockchain data in real-time with serverless functions, optimized for web3.

Learn more

Not yet supported on Japan Open Chain

Marketplace

Supercharge your dApp with add-on services

Integrate with add-on services and tools to enhance the functionality of your Japan Open Chain application.

Browse all our add-ons

Learn more about Japan Open Chain, and how to get started

Why build on Japan Open Chain?

Build on Japan Open Chain for a secure, regulatory-aligned blockchain infrastructure that bridges traditional business with Web3 innovation. JOC combines enterprise-grade reliability with transparent operations, creating an ideal foundation for both Japanese and international projects seeking seamless integration into Asia's digital future. Copy

Doc

Joc Open Chain RPC Docs

Get started with Joc Open Chain RPC on quicknode.