POST
/
2fc1de7f08c0465f6a28e3c355e0cb14
curl --request POST \
  --url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "eth_getTransactionByBlockNumberAndIndex",
  "id": 1,
  "params": [
    "0xbb623d",
    "0x1"
  ]
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {
    "blockHash": "<string>",
    "blockNumber": "<string>",
    "from": "<string>",
    "gas": "<string>",
    "gasPrice": "<string>",
    "hash": "<string>",
    "input": "<string>",
    "nonce": "<string>",
    "to": "<string>",
    "transactionIndex": "<string>",
    "value": "<string>",
    "v": "<string>",
    "r": "<string>",
    "s": "<string>"
  }
}

Base API method eth_getTransactionByBlockNumberAndIndex retrieves information about a transaction by specifying the block number and the transaction’s index position within the block. This method is useful for fetching specific transactions when the block number and index are known.

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Parameters

  • blockNumber — the number of the block.
  • transactionIndex — the index position of the transaction in the block, specified as a hexadecimal. The example uses "0x1".

​
Response

  • result — an object containing details about the transaction, including the block hash, block number, from address, gas used, gas price, hash, input data, nonce, to address, transaction index, value transferred, and the signature components (v, r, s).

​
Use case

The eth_getTransactionByBlockNumberAndIndex method is essential for:

  • Applications that need to retrieve specific transactions from a known block for analysis or display.
  • Services that monitor blocks and transactions for security, compliance, or other operational reasons.
  • Tools that reconstruct transaction sequences within blocks for auditing or forensic purposes.

Body

application/json

Response

200 - application/json
Transaction information for the given block number and index

The response is of type object.