Bridge Hub Polkadot RPC Endpoints & Dedicated Nodes | OnFinality

Parity

The development of bridges to connect other networks

通过 OnFinality 的弹性 API 几秒钟内连接到 Bridge Hub Polkadot，每年提供 99.99% 的高可用性。在我们全球分布的多云一键式节点解决方案上快速轻松地部署完整、collator和归档 Bridge Hub Polkadot 节点。使用 OnFinality 的闪电恢复技术，在几秒钟内（而不是几天）完全同步您的节点！

The development of bridges to connect other networks

连接到 API 服务部署专用节点

连接到公共端点

以下示例使用的是公共 API 接口*。该接口仅适用于测试。为避免限速和服务中断，立即注册来获取您专属的API key。

在 Polkadot JS 中打开

* 公共接口有速率限制

API 服务

API 功能

ArchiveTrace

API 位于

N.Virginia

专用节点

节点类型

FullArchiveCollatorArchive Norelay

快速恢复

N.Virginia

节点端点

JSON-RPCWebSockets指标

Bridge Hub Polkadot is a system parachain that enables trustless communication between Polkadot, Kusama, Ethereum, and other blockchains. It leverages on-chain light clients, BEEFY and GRANDPA protocols, and specialized pallets to provide secure cross-chain messaging and state verification. As a foundational component of Polkadot's interoperability framework, Bridge Hub supports XCM (Cross-Consensus Messaging) and hosts bridges such as Snowbridge (Polkadot-Ethereum) and the Polkadot-Kusama bridge.

Why Use Bridge Hub Polkadot RPC?

Developers building cross-chain applications, relayers, or infrastructure tools need reliable access to Bridge Hub's on-chain data. RPC endpoints allow you to query blocks, submit transactions, and monitor bridge operations without running your own node. Common use cases include:

Relayers: Submit bridge messages and claim rewards.
Analytics: Track bridge activity and asset flows.
Wallets & dApps: Enable cross-chain transfers and balance checks.
Backend services: Automate bridge operations and monitoring.

OnFinality Bridge Hub Polkadot RPC Endpoints

OnFinality provides managed RPC endpoints for Bridge Hub Polkadot, supporting both HTTP and WebSocket transports. Our infrastructure is designed for production workloads, offering:

Archive and trace support: Access full historical state and debug data where available.
Dedicated nodes: Deploy a private node for maximum performance and isolation.
Global availability: Endpoints served from N. Virginia data center.
Monitoring and analytics: Track request usage, errors, and latency through the OnFinality dashboard.

Getting Started

Create or sign in to your OnFinality account.
Select Bridge Hub Polkadot from the supported networks list.
Create an API endpoint or deploy a dedicated node.
Test your endpoint with chain_getBlock or other standard Substrate JSON-RPC methods.
Monitor usage and scale as needed.

Bridge Hub Polkadot vs Public RPC

Public RPC endpoints are suitable for lightweight testing but often lack reliability and visibility for production use. OnFinality endpoints provide authenticated access, clearer rate limits, request analytics, and a clear path to higher capacity—including dedicated nodes for demanding workloads.