Endpoint
mainnet-rpc.b3.fun
A public B3 RPC endpoint operated by b3. It answered when we last checked.
https://mainnet-rpc.b3.funLast check
- Status
- Answered235 ms
- Checked at
- 2026-08-25 23:59:19 UTC
- Block height reported
- 65,326,809
- Transport
- HTTP JSON-RPC
One request from one machine, twice an hour. Not a latency measurement — see methodology.
Network
- Network
- B3 (mainnet)
- Chain ID
- 8333
- Currency
- ETH
Your wallet will show you the chain ID and endpoint before adding anything.