Base WebSocket Guide
WebSocket connections provide real-time, bidirectional communication with the Base blockchain, enabling your applications to receive instant updates for new blocks, transactions, and smart contract events without polling.
Why Use WebSockets?
Advantages over HTTP Polling
- Real-time Updates: Instant notifications when events occur
- Lower Latency: No polling delays
- Reduced Bandwidth: Only receive data when it changes
- Better Performance: Persistent connection reduces overhead
- Event-Driven: React to blockchain events as they happen
Common Use Cases
- Trading Applications: Real-time price feeds and order book updates
- DeFi Dashboards: Live liquidity and yield changes
- NFT Marketplaces: Instant sale and listing notifications
- Wallet Applications: Balance updates and transaction confirmations
- Analytics Platforms: Real-time blockchain metrics
Connection Setup
WebSocket Endpoints
wss://api.blockeden.xyz/base/${accessKey}
wss://ethereum-sepolia.blockeden.xyz/<your-api-key>
wss://polygon-mainnet.blockeden.xyz/<your-api-key>
wss://arbitrum-mainnet.blockeden.xyz/<your-api-key>