Returns information about a transaction given a blockhash and transaction index position.


Supported on Avalanche C-Chain (mainnet) only.


  • hash - A blocks hash.
  • quantity - An integer of the transaction index position encoded as a hexadecimal.


  • object - Transaction Response Object , or null if no transaction is found:
    • hash - The hash of the transaction
    • nonce - The number of transactions made by the sender prior to this one encoded as hexadecimal.
    • blockHash - The hash of the block where this transaction was in. null if pending.
    • blockNumber - The block number where this transaction was in. null if pending.
    • transactionIndex - Integer of the transactions index position in the block. null if pending.
    • from - Address of the sender.
    • to - Address of the receiver. Null when its a contract creation transaction.
    • value - The value transferred in Wei, encoded as a hexadecimal.
    • gasPrice - The gas price provided by the sender in Wei, encoded as a hexadecimal.
    • gas - The gas provided by the sender, encoded as a hexadecimal.
    • input - The data sent along with the transaction.
    • v - The standardized V field of the signature.
    • standardV - The standardized V field of the signature (0 or 1).
    • r - The R field of the signature.
    • raw - The raw transaction data.
    • publickey - The public key of the signer.
    • chainid - The chain id of the transaction, if any.

API Endpoint

The format of an Avalanche C-Chain API endpoint is{{apiKey}}/avalanche-c/ext/bc/C/rpc - for RPC API{{apiKey}}/avalanche-c/ext/bc/C/avax - for AVAX API

Here is an example:



curl{{apiKey}}/avalanche-c/ext/bc/C/rpc \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"method":"eth_getTransactionByBlockHashAndIndex","params":["0x3e56c97d34f03b1369c351fa6c9f57c8bfa987c7da40964fab981303e0ef5849","0x2"],"id":1,"jsonrpc":"2.0"}'