> For the complete documentation index, see [llms.txt](/llms.txt).

# wallet_sendCalls

Requests that the wallet submits a batch of calls. This method allows applications to send multiple transactions atomically or sequentially.

### Parameters

`version`(string)required

The version of the API format. Must be "2.0.0".

`id`(string)

The ID of the batch of calls for tracking purposes.

`from`(string)required

The sender's address. Pattern: ^0x[0-9a-fA-F]{40}$

`chainId`(string)required

EIP-155 chain ID of the calls. Must match the currently selected network in the wallet. Pattern: ^0x([1-9a-f]+[0-9a-f]*|0)$

`atomicRequired`(boolean)required

true to require atomic execution. If false, the wallet may execute sequentially without atomicity.

`calls`(array)required

Array of call objects to execute.

calls properties▼

`capabilities`(object)

Used by dapps to communicate supported capabilities to the wallet.

### Returns

An object containing information about the sent batch, including transaction details and status.

### Errors

| Code   | Description                 |
| ------ | --------------------------- |
| -32602 | Invalid request format      |
| -32000 | API version not supported   |
| 4001   | User denied the transaction |
| 4100   | Authorization required      |
| 5700   | Missing capability          |
| 5710   | Chain not supported         |
| 5720   | Duplicate batch ID          |
| 5740   | Batch size limit exceeded   |
| 5750   | Upgrade rejected            |

Example request

```
await provider.request({
  method: 'wallet_sendCalls',
  params: [
    {
      version: '2.0.0',
      from: '0xd46e8dd67c5d32be8058bb8eb970870f07244567',
      chainId: '0xaa36a7',
      atomicRequired: true,
      calls: [
        {
          to: '0x54f1C1965B355e1AB9ec3465616136be35bb5Ff7',
          value: '0x0',
        },
        {
          to: '0x2D48e6f5Ae053e4E918d2be53570961D880905F2',
          value: '0x0',
        },
      ],
    },
  ],
})

```

Example response

```
{
  "id": 1,
  "jsonrpc": "2.0",
  "result": {
    "batchId": "0x123...",
    "status": "pending"
  }
}

```