---
title: "eth_getTransactionByHash"
description: "Returns full transaction data for a 32-byte transaction hash on Base, or null when the node has not seen the transaction."
source: https://basehub.org/api-reference/eth/eth_gettransactionbyhash/
---
Returns information about a transaction given its hash. Returns `null` for unknown transactions.

## Parameters

| Position | Name | Type | Description |
| --- | --- | --- | --- |
| 1 | `transactionHash` | string | The 32-byte transaction hash. Required. |

## Returns

`result` (object, or `null` if the transaction was not found):

| Field | Type | Description |
| --- | --- | --- |
| `hash` | string | 32-byte transaction hash. |
| `nonce` | string | Number of transactions sent by the sender prior to this one (hex). |
| `blockHash` | string | 32-byte hash of the block containing this transaction. `null` if pending. |
| `blockNumber` | string | Block number (hex). `null` if pending. |
| `transactionIndex` | string | Index position in the block (hex). `null` if pending. |
| `from` | string | 20-byte sender address. |
| `to` | string | 20-byte recipient address. `null` for contract deployments. |
| `value` | string | ETH value transferred in wei (hex). |
| `gas` | string | Gas provided by the sender (hex). |
| `gasPrice` | string | Gas price in wei. For EIP-1559 transactions, this is the effective gas price paid (hex). |
| `maxFeePerGas` | string | EIP-1559 maximum total fee per gas (hex). Present for type `0x2` transactions only. |
| `maxPriorityFeePerGas` | string | EIP-1559 maximum priority fee per gas (hex). Present for type `0x2` transactions only. |
| `input` | string | ABI-encoded call data. `"0x"` for plain ETH transfers. |
| `type` | string | Transaction type: `"0x0"` Legacy, `"0x1"` Access List, `"0x2"` EIP-1559, `"0x7e"` Deposit (L1→L2). |
| `chainId` | string | Chain ID the transaction is valid for. `"0x2105"` for Base Mainnet, `"0x14a34"` for Base Sepolia. |
| `accessList` | array | List of addresses and storage keys pre-declared by the transaction (EIP-2930). Present for type `0x1` and `0x2` transactions. |
| `v` | string | ECDSA recovery ID (hex). |
| `r` | string | 32-byte ECDSA signature component r (hex). |
| `s` | string | 32-byte ECDSA signature component s (hex). |

## Example

### Request

```json
{
  "jsonrpc": "2.0",
  "method": "eth_getTransactionByHash",
  "params": ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],
  "id": 1
}
```

### Response

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "hash": "0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238",
    "nonce": "0x1b",
    "blockHash": "0x3a4e8c5d7f2b1a6e9d0c4f8b3e7a2d5c8f1b4e7a0d3c6f9b2e5a8d1c4f7b0e3",
    "blockNumber": "0x12ced28",
    "transactionIndex": "0x0",
    "from": "0xd3CdA913deB6f4967b2Ef66ae97DE114a83bcc01",
    "to": "0x4200000000000000000000000000000000000006",
    "value": "0x2c68af0bb14000",
    "gas": "0x5208",
    "gasPrice": "0x3b9aca00",
    "maxFeePerGas": "0x77359400",
    "maxPriorityFeePerGas": "0x3b9aca00",
    "input": "0x",
    "type": "0x2",
    "chainId": "0x2105",
    "accessList": [],
    "v": "0x1",
    "r": "0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b",
    "s": "0x2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c"
  }
}
```

When the node has not seen the transaction:

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": null
}
```