> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lfg.land/llms.txt
> Use this file to discover all available pages before exploring further.

# ValidatorClient

> Submit transactions and query blockchain state

## Overview

The `ValidatorClient` handles transaction submission and blockchain queries through the Cosmos SDK RPC interface.

Access via CompositeClient:

```typescript theme={null}
const blockHeight = await client.validatorClient.get.latestBlockHeight();
const balances = await client.validatorClient.get.getAccountBalances(address);
```

## GET Methods

### latestBlockHeight()

Get the current blockchain height.

```typescript theme={null}
const currentBlock = await client.validatorClient.get.latestBlockHeight();
console.log("Current block:", currentBlock);
```

**Returns**: `Promise<number>`

### getAccountBalances()

Get wallet balances (source account, not subaccount).

```typescript theme={null}
const balances = await client.validatorClient.get.getAccountBalances(
  wallet.address
);

balances.forEach((balance) => {
  console.log(`${balance.denom}: ${balance.amount}`);
});
```

<ParamField path="address" type="string" required>
  Wallet address
</ParamField>

**Returns**: `Promise<Coin[]>`

## POST Methods

### sendToken()

Send tokens from source wallet.

```typescript theme={null}
const tx = await client.validatorClient.post.sendToken(
  subaccount,
  recipientAddress,
  denom,
  amount
);
```

<ParamField path="subaccount" type="SubaccountInfo" required>
  Sender subaccount
</ParamField>

<ParamField path="recipient" type="string" required>
  Recipient address
</ParamField>

<ParamField path="denom" type="string" required>
  Token denomination
</ParamField>

<ParamField path="amount" type="string" required>
  Amount to send
</ParamField>

**Returns**: `Promise<BroadcastTxResponse>`

## Cache Methods

### populateAccountNumberCache()

Pre-populate account number cache for faster transactions.

```typescript theme={null}
await client.validatorClient.populateAccountNumberCache(wallet.address);
```

<ParamField path="address" type="string" required>
  Address to cache
</ParamField>

**Returns**: `Promise<void>`

<Tip>
  Call this before submitting multiple transactions to improve performance.
</Tip>

## Related

<CardGroup cols={2}>
  <Card title="CompositeClient" icon="layer-group" href="/sdk-reference/composite-client">
    Main client interface
  </Card>

  <Card title="Transfers Guide" icon="arrow-right-arrow-left" href="/guides/transfers">
    Fund management operations
  </Card>
</CardGroup>