JSON-RPC • WebSockets • Snapshots

Monad Mainnet endpoints

Community-run infrastructure by Natsai: reliable JSON-RPC, WebSocket streaming, and frequent Mainnet snapshots to speed up node bootstrapping. Public endpoints are rate-limited for stability.

Chain ID: 143 HTTPS + WSS on same host Snapshots: tar.lz4 + sha256 Use latest.json manifest

RPC (HTTPS)

JSON-RPC over HTTPS. Use the buttons to test live, or copy/paste curl.
Endpoint (POST-only)
https://monad-mainnet-rpc.natsai.xyz/
RPC: not tested yet.
Show curl examples
eth_chainId 
curl -s https://monad-mainnet-rpc.natsai.xyz/ \
  -H 'content-type: application/json' \
  --data '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'
eth_blockNumber 
curl -s https://monad-mainnet-rpc.natsai.xyz/ \
  -H 'content-type: application/json' \
  --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'

WebSockets (WSS)

WebSocket streaming over TLS. Subscribe to newHeads.
Endpoint
wss://monad-mainnet-rpc.natsai.xyz/
WS: not connected.
Show CLI example (websocat) 
printf '{"jsonrpc":"2.0","id":1,"method":"eth_subscribe","params":["newHeads"]}\n' \
  | websocat -t wss://monad-mainnet-rpc.natsai.xyz/

Snapshots

Use latest.json for the newest snapshot list.
Download latest snapshot Checksum Manifest
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