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

# Buy Package

> Buy a transfer package with account balance

## Buy Transfer Package

Purchases a transfer package using your account balance.

### Request body

<ParamField body="address" type="string" required>
  TRON address to monitor
</ParamField>

<ParamField body="size" type="number" required>
  Number of transfers (1 – 10,000)
</ParamField>

<ParamField body="bw_guarantee" type="boolean" default="true">
  Enable BW Guarantee
</ParamField>

### Response

Returns the created package object with `id`, `address`, `remaining_transfers`, `status`, and `price_trx`.

### Example

```bash theme={null}
curl -X POST https://api.tronrental.com/v1/transfer-packages/buy \
  -H "X-API-Key: your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "address": "TYourAddress...",
    "size": 500,
    "bw_guarantee": true
  }'
```

```json Response theme={null}
{
  "id": 101,
  "address": "TYourAddress...",
  "total_transfers": 500,
  "remaining_transfers": 500,
  "bw_guarantee": true,
  "price_trx": "1350.00",
  "status": "active",
  "created_at": "2026-03-05T12:00:00Z"
}
```

<Info>
  You can also pay via invoice using `POST /api/v1/transfer-packages/buy-invoice` —
  this generates a payment address for TRX/USDT.
</Info>