> For the complete documentation index, see [llms.txt](https://docs.en.omnibridge.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.en.omnibridge.pro/cross-chain-swap-api/upload-transaction-hash.md).

# Upload Transaction Hash

**1. Request Url**

`https://{host}/api/v2/modifyTxId`

**2. Request Param**

| Parameter name | Is it necessary | description              |
| -------------- | --------------- | ------------------------ |
| orderId        | Y               | transaction order number |
| depositTxid    | Y               | transaction hash value   |

**3.Request Example**

```
{
    "orderId": "33120af8-1866-4cb6-99a8-2c303f490c2c",           
    "depositTxid": "0x123"      
}
```

**4.Response Data**

```
{
    "resCode": "800",
    "resMsg": "成功",
    "data": "SUCCESS"
}
```