API

Realtime API

Use MegaETH realtime methods to replace polling-heavy flows with subscription-native UX.

Why Realtime

Capability	Standard RPC	Realtime API
Receipt availability	Poll until mined	Direct/near-immediate receipt path
State stream	Periodic polling	Push via eth_subscribe
Latency profile	Block-bound	Mini-block-bound

Channel	Description	Latency
miniBlocks	Mini block objects with tx context	<1ms
newHeads	EVM block headers	~1s
pendingTransactions	Hashes entering sequencer mempool	<0.5ms

keepalive.tsts

setInterval(() => {
ws.send(JSON.stringify({
  jsonrpc: "2.0",
  id: 0,
  method: "eth_chainId",
  params: [],
}));
}, 30000);

POSThttps://rpc.megaeth.commainnet

Request Preview

{
  "jsonrpc": "2.0",
  "method": "eth_blockNumber",
  "params": [],
  "id": 1
}

no params · returns current block

POSThttps://rpc.megaeth.commainnet

txHash

Request Preview

{
  "jsonrpc": "2.0",
  "method": "eth_getTransactionReceipt",
  "params": [
    ""
  ],
  "id": 1
}

status decoded + gas + log count

disconnectedwss://rpc.megaeth.com

subscription

--:--:--···Subscribe to see live events

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