> For the complete documentation index, see [llms.txt](https://circular-protocol.gitbook.io/standard-apis/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://circular-protocol.gitbook.io/standard-apis/api-docs/node.js/setnagurl.md).

# setNAGURL()

**Method signature**

```javascript
function setNAGURL(nURL)
```

**Parameters**

| Name   | Type   | Description |
| ------ | ------ | ----------- |
| `nURL` | string | nURL        |

**Example**

```javascript
var nURL = "https://nag.circularlabs.io/NAG.php?cep=";

CircularProtocolAPI.setNAGKey(nURL);
```