RPC Endpoint Setup Guide
Current Issue
The RPC endpoint is timing out (error 522). This is common with public RPC endpoints that can be overloaded.
Recommended Solution: Use Alchemy or Infura
Option 1: Alchemy (Recommended - Most Reliable)
- Sign up for free: https://www.alchemy.com/
- Create a new app:
- Select "Ethereum" network
- Select "Sepolia" testnet
- Copy your API key from the dashboard
- Update your
.envfile:bashSEPOLIA_RPC_URL=https://eth-sepolia.g.alchemy.com/v2/YOUR_ALCHEMY_API_KEY
Option 2: Infura
- Sign up for free: https://www.infura.io/
- Create a new project
- Copy your Project ID
- Update your
.envfile:bashSEPOLIA_RPC_URL=https://sepolia.infura.io/v3/YOUR_INFURA_PROJECT_ID
Option 3: QuickNode
- Sign up: https://www.quicknode.com/
- Create an endpoint for Sepolia
- Copy the HTTPS URL
- Update your
.envfile:bashSEPOLIA_RPC_URL=YOUR_QUICKNODE_URL
Alternative Public RPCs (Less Reliable)
If you want to try public endpoints, here are some alternatives:
bash
# PublicNode
SEPOLIA_RPC_URL=https://ethereum-sepolia-rpc.publicnode.com
# Ankr
SEPOLIA_RPC_URL=https://rpc.ankr.com/eth_sepolia
# 1RPC
SEPOLIA_RPC_URL=https://1rpc.io/sepoliaAfter Updating Your .env
- Save the
.envfile - Try deploying again:bash
npm run deploy:sepolia
Why Use a Dedicated Provider?
- Reliability: Better uptime and faster responses
- Rate Limits: Higher rate limits for deployments
- Support: Better support if issues arise
- Free Tier: All providers offer generous free tiers