QuickNode gives you high-performance access to the Arbitrum blockchain through HTTP and WebSocket (WSS) endpoints. These endpoints are designed for reliability, speed, and real-time data delivery, and provide the foundation for building scalable Web3 applications.
HTTP Endpoints
QuickNode's HTTP endpoints provide robust JSON-RPC API access with multiple performance tiers and optimization features designed for different application requirements.
https://your-endpoint.quiknode.pro/auth-token/Best for:
- Web3 application backends and APIs
- Smart contract deployment and interaction
- Blockchain data queries and analysis
- Development and testing environments
WebSocket (WSS) Endpoints
QuickNode's WebSocket endpoints provide real-time blockchain data streaming through persistent connections optimized for different use cases and performance requirements.
wss://your-endpoint.quiknode.pro/auth-token/Best for:
- DeFi applications requiring real-time price feeds
- Block explorers and analytics dashboards
- Transaction monitoring and confirmation tracking
- Smart contract event listening
WebSocket (WSS) Limits
WebSocket responses are capped at a certain limit, which is subject to change. In cases where responses are potentially large, it is recommended to use a POST request. If the response size exceeds the limit, the associated error code will be -32616.
Credit Usage
Different methods consume different amounts of credits: View Arbitrum API credit costs →
Rate Limits
Rate limits vary by plan tier: View detailed pricing and limits →