
Base Sepolia Testnet RPC Endpoints
Alchemy RPC Endpoint for Base Sepolia Testnet
Network configuration details
These are the network configuration details you will need to manually add this RPC endpoint to your wallet.

Base Sepolia Testnet
84532
Copied
ETH
Copied
https://sepolia-explorer.base.org
Copied
https://base-sepolia.g.alchemy.com/v2/Your-API-Key
Copied
Start building on Alchemy
Get your API key
How to Add Alchemy's Base Sepolia Testnet RPC Endpoint to MetaMask
- Click the "Add to MetaMask" button
- The screen will say "Allow this site to add a network?"
- Make sure the details match the details provided on this page
- Click "Approve"
- Then, you will see a screen that says, "Allow this site to switch the network?"
- Make sure the website is "alchemy.com"
- Click "Switch network"
How to Manually Add Alchemy's Base Sepolia Testnet RPC Endpoint to Any Wallet
- Open your wallet's settings
- Go to the Add a New Network" section (this will be different for each wallet)
- For MetaMask, click the down arrow next to the chain you're connected to
- Click "Add network"
- Click "Add a network manually"
- Finally, copy and paste the Ethereum network details into your wallet
View RPC Endpoints for Chains like Base Sepolia Testnet
Are you deploying your smart contracts to a blockchain that is similar to Base Sepolia Testnet? Explore RPC endpoints for other networks!
OP Mainnet

Build blockchain magic
Alchemy combines the most powerful web3 developer products and tools with resources, community and legendary support.
Get your API key