# RPC 端点

## 主端点

| 端点             | URL                                   | 用途               |
| -------------- | ------------------------------------- | ---------------- |
| Public RPC     | `https://rpc-testnet.axblade.io`      | chain 391 公开 RPC |
| WebSocket      | `wss://rpc-testnet.axblade.io/ws`     | 实时 event 订阅      |
| Block explorer | `https://explorer-testnet.axblade.io` | Blockscout       |

## 限流

* HTTP: \~10 req/s per IP (PoC 阶段无强限流)
* WebSocket: 1 conn per IP

## 主网前必备

* 多 RPC node + load balancer
* API key + paid tier (类似 Alchemy / Infura)
* DDoS 防护


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