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OP Mainnet OP Mainnet API Endpoints

eth_getFinalizedHeader

POST

/:apiKey

POST

/v2/:apiKey

1 curl -X POST https://opt-mainnet.g.alchemy.com/v2/{apiKey} \
2      -H "Content-Type: application/json" \
3      -d '{
4   "jsonrpc": "2.0",
5   "method": "eth_getFinalizedHeader",
6   "params": [],
7   "id": 1
8 }'

200Successful

1 {
2   "jsonrpc": "2.0",
3   "id": "1",
4   "result": {
5     "parentHash": "0xabc123...",
6     "number": "0x123456",
7     "stateRoot": "0xdef456..."
8   }
9 }

Returns the latest finalized execution payload header.

Path parameters

apiKeystringRequired

Response

The finalized execution block header.

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