# Topup

**Usage**: `client.platform.identities.topUp(identity, amount)`  
**Description**: This method will topup the provided identity's balance.

_The identity balance might slightly vary from the topped up amount because of the transaction fee estimation._

Parameters:

| Parameters   | Type     | Required | Description                                                                                     |
| ------------ | -------- | -------- | ----------------------------------------------------------------------------------------------- |
| **identity** | Identity | yes      | A valid [registered identity](../identities/register.md) |
| **amount**   | number   | yes      | A duffs (satoshis) value corresponding to the amount you want to top up to the identity.        |

**Example**:

```js
const identityId = '';// Your identity identifier
const identity = await client.platform.identities.get(identityId);
await client.platform.identities.topUp(identity.getId(), 10000);

console.log(`New identity balance: ${identity.balance}`)
```

Returns: Boolean.