Blast Chain ID (81457) & RPC URL: Add Blast to MetaMask

Network settings for Blast: chain ID 81457, a working RPC URL and the explorer. Add it to MetaMask in one click, or copy the fields below.

  • Chain ID81457
  • Hex0x13e31
  • Gas tokenETH
  • RPC checkedOctober 27

Non-custodial · you sign every transaction0.7% service fee, shown before you confirm

By Step Exchange Research · Updated October 27, 2026

The Blast chain ID is 81457 (0x13e31 in hex). Blast is an Ethereum Layer 2 known for native yield on ETH and stablecoins. Gas is paid in ETH. Below are the exact settings MetaMask asks for, public RPC endpoints we tested on October 27, 2026, and a one-click button to add the network.

Blast Network Details for MetaMask

FieldValue
Network nameBlast
RPC URLhttps://rpc.blast.io
Chain ID81457
Currency symbolETH
Block explorerhttps://blastscan.io

Copy these values exactly. If the RPC URL returns a different chain ID than the one you enter, MetaMask stops with a chain ID mismatch warning: that usually means a typo or an RPC for another network.

Blast RPC URLs (Tested October 27, 2026)

RPC endpointReturned chain IDResponse time
https://rpc.blast.io81457321 ms
https://blast-rpc.publicnode.com81457182 ms

We sent eth_chainId and eth_blockNumber to each endpoint from Europe on October 27, 2026; the table lists only endpoints that answered with chain ID 81457. The latest block was 42,151,236. Public endpoints are free and rate limited: for an app or a bot, use a paid provider or your own node.

How to Add Blast to MetaMask

  1. Click Add Blast to MetaMask above, or open MetaMask and go to Networks → Add a custom network.
  2. Enter the network name Blast, RPC URL https://rpc.blast.io and chain ID 81457.
  3. Set the currency symbol to ETH and the block explorer to https://blastscan.io.
  4. Save and switch to the new network. Your 0x address is the same as on other EVM networks.

Tip: Our swap routes do not cover Blast right now, so the widget above is set to a different route. The network settings on this page work in any EVM wallet.

Blast Sepolia Testnet

FieldValue
Network nameBlast Sepolia
RPC URLhttps://blast-sepolia.drpc.org
Chain ID168587773 (0xa0c71fd)
Currency symbolETH
Block explorerhttps://testnet.blastscan.io

Testnet tokens come from faucets and are worth nothing. Do not send real ETH to a wallet connected to Blast Sepolia.

How to Get ETH on Blast

Use the official Blast bridge or an exchange that supports withdrawals to Blast. Our widget currently routes between the networks listed in our bridge hub.

FAQ

What is the Blast chain ID?

The Blast chain ID is 81457, or 0x13e31 in hexadecimal. Wallets use it to make sure a transaction is signed for Blast and not another network.

What is the Blast RPC URL?

A working public RPC URL is https://rpc.blast.io. We tested it on October 27, 2026: it returned chain ID 81457. Other working endpoints are listed in the table on this page.

How do I add Blast to MetaMask?

Click "Add Blast to MetaMask" on this page and approve the request in MetaMask. To add it manually, go to Networks, then Add a custom network, and enter the network name, RPC URL https://rpc.blast.io, chain ID 81457, currency symbol ETH and the explorer URL.

What token do I need for gas on Blast?

Gas on Blast is paid in ETH. Keep a small amount in your wallet, otherwise you cannot send or swap the tokens you hold there.

What is the Blast testnet chain ID?

The Blast Sepolia testnet uses chain ID 168587773 (0xa0c71fd) and the RPC URL https://blast-sepolia.drpc.org. Testnet tokens have no value.

More networks

Oct 27, 2026 zkSync Era Chain ID (324) & RPC URL: Add zkSync Era to MetaMask zkSync Era chain ID is 324 (0x144). Working public RPC URLs tested on October 27, 2026, explorer, gas token ETH and one-click add to MetaMask. Oct 27, 2026 Unichain Chain ID (130) & RPC URL: Add Unichain to MetaMask Unichain chain ID is 130 (0x82). Working public RPC URLs tested on October 27, 2026, explorer, gas token ETH and one-click add to MetaMask. Oct 27, 2026 Sonic Chain ID (146) & RPC URL: Add Sonic to MetaMask Sonic chain ID is 146 (0x92). Working public RPC URLs tested on October 27, 2026, explorer, gas token S and one-click add to MetaMask.