# Create order

## Create an order using a Signed Transaction

#### <mark style="color:orange;">`POST`</mark>  `https://api.tronsave.io/v2/buy-resource` <a href="#api-method" id="api-method"></a>

Rate limi&#x74;***: 15** requests per **1** second*

#### Request params <a href="#request-params" id="request-params"></a>

<table><thead><tr><th width="206">Field</th><th width="130">Type</th><th width="398">Description</th></tr></thead><tbody><tr><td>resourceType</td><td>String</td><td>"ENERGY" or "BANDWIDTH", default: ENERGY</td></tr><tr><td>unitPrice</td><td>Number</td><td>The price unit is equal to SUN.</td></tr><tr><td>resourceAmount<mark style="color:red;">*</mark></td><td>Number</td><td>The number of resources.</td></tr><tr><td>receiver<mark style="color:red;">*</mark></td><td>String</td><td>Resource receiving address</td></tr><tr><td>durationSec</td><td>Number</td><td>The duration of the bought resource, time unit, is in seconds. Default 259200 (3 days)</td></tr><tr><td>sponsor</td><td>String</td><td>sponsor code</td></tr><tr><td>signedTx</td><td>SignedTransaction</td><td>Signed transaction, note that it is a JSON object<br>(<em>signed_tx in</em> <a href="#step-2-get-signed-transaction"><em><strong>Step 2</strong></em></a>)</td></tr><tr><td>options</td><td>Object</td><td>optional</td></tr><tr><td>options.allowPartialFill</td><td>Boolean</td><td>Allow the order to be filled partially or not</td></tr><tr><td>options.onlyCreateWhenFulfilled</td><td>Boolean</td><td><p>[true]=> order only creates when it can be fulfilled</p><p>[false]=> order will create even if it can not be fulfilled</p><p>Default value: false</p></td></tr><tr><td>options.maxPriceAccepted</td><td>Number</td><td>Only create an order when the estimated price is less than this value.</td></tr><tr><td>options.preventDuplicateIncompleteOrders</td><td>Boolean</td><td><p>[true]=> Only create if no <strong>uncompleted order</strong> with the same parameters exists.</p><p>[false]=> Always create a new order, regardless of existing unfinished ones.</p><p>Default value: <strong>false</strong></p></td></tr><tr><td>options.minResourceDelegateRequiredAmount</td><td>Number</td><td>The minimum resource amount delegated by a single provider.</td></tr></tbody></table>

#### Request params example <a href="#request-params-example" id="request-params-example"></a>

<pre class="language-javascript"><code class="lang-javascript">{
    "resourceType": "ENERGY",
    "receiver": "TFFbwz3UpmgaPT4UudwsxbiJf63t777777",
    "durationSec": 3600,
    "resourceAmount": 32000,
    "unitPrice": 80,
    "options": {
        "allowPartialFill": true,
        "onlyCreateWhenFulfilled": true,
        "preventDuplicateIncompleteOrders": false,
        "maxPriceAccepted": 100,
        "minResourceDelegateRequiredAmount": 100000
    },
    "signedTx": 
    {
        "visible": false,
        "txID": "795f8195893e8da2ef2f70fc3a1f2720f9077244c4b7b1c50c99c72fda675a32",
        "raw_data_hex": "0a02b32e2208ce1cb373c238875e4098fbd9a0eb325a68080112640a2d747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e5472616e73666572436f6e747261637412330a1541417ca6f74356a5d4454498e3f4856c945a04ab01121541055756f33f419278d9ea059bd2b21120e6add74818e0e5a40170b8a6d6a0eb32",
        "raw_data": {
            "contract": [
                {
                    "parameter": {
                        "value": {
                            "to_address": "41055756f33f419278d9ea059bd2b21120e6add748",
                            "owner_address": "41417ca6f74356a5d4454498e3f4856c945a04ab01",
                            "amount": 2700000
                        },
                        "type_url": "type.googleapis.com/protocol.TransferContract"
                    },
                    "type": "TransferContract"
                }
            ],
            "ref_block_bytes": "b32e",
            "ref_block_hash": "ce1cb373c238875e",
            "expiration": 1746778095000,
            "timestamp": 1746778035000
        },
        "signature": [
            "xxxxxxxxxxxxxxxxxxx"
        ]
<strong>    }
</strong>}
</code></pre>

#### Responses <a href="#responses" id="responses"></a>

```json
{
    "error": false,
    "message": "Success",
    "data": {
        "orderId": "6818426a65fa8ea36d119d2c"
    }
}
```

***Example Code***

{% tabs %}
{% tab title="Javascript" %}

```javascript
const CreateOrder = async (resourceAmount, signedTx, receiverAddress, unitPrice, durationSec, options) => {
    const url = TRONSAVE_API_URL + "/v2/buy-resource";
    const body = {
        resourceType: RESOURCE_TYPE,
        resourceAmount,
        unitPrice,
        allowPartialFill: true,
        receiver: receiverAddress,
        durationSec,
        signedTx,
        options
    };
    const data = await fetch(url, {
        method: "POST",
        headers: {
            "content-type": "application/json",
        },
        body: JSON.stringify(body),
    });
    const response = await data.json();
    /**
     * Example response
     * {
     *     "error": false,
     *     "message": "Success",
     *     "data": {
     *         "orderId": "6809fdb7b9ba217a41d726fd"
     *     }
     * }
     */
    return response;
};
```

{% endtab %}

{% tab title="PHP" %}

```php
function createOrder($resourceAmount, $signedTx, $receiverAddress, $unitPrice, $durationSec) {
    $url = TRONSAVE_API_URL . "/v2/buy-resource";
    $body = [
        'resourceType' => RESOURCE_TYPE,
        'resourceAmount' => $resourceAmount,
        'unitPrice' => $unitPrice,
        'allowPartialFill' => true,
        'receiver' => $receiverAddress,
        'durationSec' => $durationSec,
        'signedTx' => $signedTx
    ];

    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $url,
        CURLOPT_POST => true,
        CURLOPT_POSTFIELDS => json_encode($body),
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER => ['Content-Type: application/json']
    ]);

    $response = curl_exec($ch);
    curl_close($ch);
    return json_decode($response, true);
}
```

{% endtab %}

{% tab title="Python" %}

```python
def create_order(resource_amount: int, signed_tx: Dict[str, Any], 
                receiver_address: str, unit_price: int, duration_sec: int) -> Dict[str, Any]:
    url = f"{TRONSAVE_API_URL}/v2/buy-resource"
    body = {
        'resourceType': RESOURCE_TYPE,
        'resourceAmount': resource_amount,
        'unitPrice': unit_price,
        'allowPartialFill': True,
        'receiver': receiver_address,
        'durationSec': duration_sec,
        'signedTx': signed_tx
    }
    
    response = requests.post(url, json=body)
    return response.json()

```

{% endtab %}
{% endtabs %}


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