> 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/javascript/getpublickey.md).

# getPublicKey()

**Method signature**

```javascript
function getPublicKey(privateKey)
```

**Parameters**

| Name         | Type   | Description                                         |
| ------------ | ------ | --------------------------------------------------- |
| `privateKey` | string | The Private Key from where to derive the Public Key |

**Example**

```javascript
var privateKey = "0x8a20baa40c45dc5055aeb26197c203e576ef389d9acb171bd62da11dc5ad72b2";

var publicKey = CircularProtocolAPI.getPublicKey(privateKey);
```

**Result**

The result will be an object of type String:

```
04b92abae6932e0faa578231fe4f6d83237acccb09f5343a5455abfaf8e2091a989e64dae6e4ebb9f6a1be5bd48d0bab6dbc99641514f19ee43052ab27178fd9ce
```


---

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