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了解更多Connect to Japan Open Chain mainnet and every active testnet with low-latency RPC, full archive data, debug and trace APIs, and real-time Streams. The complete Japan Open Chain data stack, managed from a single Quicknode dashboard.
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Japan Open Chain builders need more than basic RPC. Quicknode runs the full surface: low-latency JSON-RPC, full archive with debug and trace, and real-time Streams, all from one dashboard.
Query, subscribe, and stream Japan Open Chain data with low latency. From a single eth_call to billions of rows of historical logs, you get the right interface for the job.
Multiple ways to access Japan Open Chain data, from a single eth_call to real-time streams. Pick the interface, ship faster.
Standard JSON-RPC over HTTPS and WSS on Japan Open Chain mainnet and testnet. Every EVM method supported, including eth_call, eth_getLogs, eth_getBalance, eth_sendRawTransaction, and eth_subscribe, with predictable rate limits.
Full historical Japan Open Chain state on mainnet with no pruning. Query any block, balance, or contract state from genesis over HTTPS and WSS.
Backfill and real-time Japan Open Chain blocks, logs, and traces delivered to your datastore with guaranteed reliability. Filter upstream, receive only the data you actually need.
具有交付保证、重试功能和内置重组处理机制的事件驱动型警报。订阅特定地址、合约事件或链上条件，并实时做出响应。
Trace transactions and inspect execution with the debug namespace, including debug_traceTransaction and debug_traceBlockByNumber, for deep analysis and reliable indexing.
Subscribe to new Japan Open Chain blocks and logs over a persistent WSS connection with eth_subscribe. Push updates the moment they land, with no polling.
Japan Open Chain is an Ethereum-compatible layer 1 running the Geth client, so the tooling you already know works unchanged. ethers.js, web3.js, viem, and web3.py all hit a Quicknode Japan Open Chain endpoint the same way they hit Ethereum. Same methods, same SDK, just a different RPC URL.
Point your existing Ethereum codebase at a Quicknode Japan Open Chain endpoint and deploy. Contracts, libraries, and tooling carry over.
eth_call、eth_getLogs、eth_sendRawTransaction 和 eth_subscribe 的行为与在Ethereum 上的行为完全一致。
// Your Ethereum code, pointed at Japan Open Chainimport { createPublicClient, http } from "viem";const 客户端 = createPublicClient({// Japan Open Chain, chain ID 81chain: { id: 81, name: "Japan Open Chain" },transport: http(QUICKNODE_JOC_URL)});const 块 = await client.getBlockNumber();// Same methods, same SDK. Japan Open Chain is EVM compatible.
Open MetaMask, go to Settings, Networks, Add Network, and enter your Quicknode Japan Open Chain RPC URL with the details on the right. Save, and MetaMask routes through your private Quicknode endpoint instead of a rate-limited public RPC.
Docs, guides, and runnable sample apps for every Japan Open Chain workload. Clone, customize, and ship.
Full reference for every Japan Open Chain JSON-RPC method, WebSocket subscription, and the debug and trace namespaces. Code examples for @quicknode/sdk, ethers.js, web3.js, and viem.
Indexes token transfers on an EVM chain using Quicknode Streams and delivers them to your own datastore and API. Works unchanged on Japan Open Chain.
Runnable sample apps and starter kits across Quicknode-supported chains, including Japan Open Chain. Clone one and ship.
From your first Japan Open Chain endpoint to mission-critical production workloads, Quicknode scales with you. Get started in minutes.
Spin up your Japan Open Chain endpoint and ship. The free tier covers prototyping and small production loads, no credit card required.
Dedicated Japan Open Chain infrastructure, contractual SLAs, priority support, and procurement-ready terms for wallets, exchanges, trading firms, and high-volume protocols.
"We run a lot of service dependencies. Quicknode's Admin API was one of the first we could plug directly into our burn rate dashboards. The MCP slots right into our cross-service incident triage stack alongside our other providers. Solid tooling that respects your time."Liam Harris, Head of Operations @ Defi App
常见问题解答
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The Ethereum toolchain you already know works unchanged on Japan Open Chain. Deploy contracts, manage endpoints, and ship from one Quicknode account.