Transaction index position.
Copy curl --location --request POST 'https://arbitrum.getblock.io/mainnet/'
--header 'x-api-key: YOUR-API-KEY'
--header 'Content-Type: application/json'
--data-raw '{"jsonrpc": "2.0",
"method": "eth_getTransactionByBlockNumberAndIndex",
"params": ["latest", "0x0"],
"id": "getblock.io"}'
Copy {
"id": "getblock.io",
"jsonrpc": "2.0",
"result": {
"blockHash": "0x187ccf13bc440afc7fb146abf0642d4d6c02c438ea067f49f133566eef8627eb",
"blockNumber": "0x5bc407a",
"chainId": "0xa4b1",
"from": "0x00000000000000000000000000000000000a4b05",
"gas": "0x0",
"gasPrice": "0x0",
"hash": "0x7144169eeaff9b4b9d0a1948fa6149784710e3f55da837f93201fcfb0a6c2450",
"input": "0x6bf6a42d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010924a40000000000000000000000000000000000000000000000000000000005bc407a0000000000000000000000000000000000000000000000000000000000000001",
"nonce": "0x0",
"r": "0x0",
"s": "0x0",
"to": "0x00000000000000000000000000000000000a4b05",
"transactionIndex": "0x0",
"type": "0x6a",
"v": "0x0",
"value": "0x0"
}
}