> For the complete documentation index, see [llms.txt](https://docs.watchdata.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.watchdata.io/blockchain-apis/tron-api/tronz-shielded-smart-contract/getincomingviewingkey.md).

# GetIncomingViewingKey

**Body params**: 

* `ak`
* `nk`

**Request**

```
curl --request POST \
     --url https://tron.api.watchdata.io/wallet/getincomingviewingkey \
     --header 'Accept: application/json' \
     --header 'Content-Type: application/json' \
     --data '
{
     "ak": "72b041a8006a02a995c24f5b8531a62008c8c54a1979622dc4ea6f54a506732d",
     "nk": "da6542f57f6f730cb31b401b9ca8660589d8a765405c6d6f48fd392ac5360b0a"
}
'
```

**Response**

```
{
  "ivk": "6896b46a8355ae75896900ac617293d98e1b48fd885ed484a7cbddd566762705"
}
```