# InquiryPriceModifyCrossRegionBandwidth

## 1. API Description

This API is used to query the price of changing the cross-region bandwidth configuration.

{% hint style="info" %} <mark style="color:blue;">**Note**</mark>

<mark style="color:blue;">When the network billing model is</mark> <mark style="color:blue;">`ByInstanceBandwidth95`</mark><mark style="color:blue;">, modifying the burst bandwidth does not involve a billing change.</mark>
{% endhint %}

## 2. Input Parameters

The following request parameter list only provides API request parameters.

<table><thead><tr><th width="215.52276611328125">Parameter Name</th><th width="110.3167724609375">Required</th><th width="98.74151611328125">Type</th><th>Description</th></tr></thead><tbody><tr><td>crossRegionBandwidthId</td><td>Yes</td><td>String</td><td>Cross-region bandwidth ID.</td></tr><tr><td>bandwidth</td><td>Yes</td><td>Integer</td><td>Bandwidth cap.</td></tr></tbody></table>

## 3. Output Parameters

<table><thead><tr><th width="238.98931884765625">Parameter Name</th><th width="96.95806884765625">Type</th><th>Description</th></tr></thead><tbody><tr><td>requestId</td><td>String</td><td>The unique request ID, which is returned for each request. RequestId is required for locating a problem.</td></tr><tr><td>crossRegionBandwidthPrice</td><td><a href="../../../datastructure#priceitem">PriceItem</a></td><td>The price of cross-region bandwidth.</td></tr></tbody></table>

## 4. Code Example

{% tabs %}
{% tab title="Example" %}
**1. Query the price of changing the bandwidth cap of cross-region bandwidth into 500Mbps. The network billing model is `ByBandwidth`.**

```json
POST /api/v2/zec HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: InquiryPriceModifyCrossRegionBandwidth
<Common Request Params>

Request：
{
  "crossRegionBandwidthId": "<your cross id>",
  "bandwidth": 500
}

Response：
{
  "requestId": "TF84F83D3-8F9B-4F49-952E-A7278F7C1183",
  "response": {
    "crossRegionBandwidthPrice": {
      "discount": 100.0,
      "discountPrice": 2000.0,
      "originalPrice": 2000.0,
      "unitPrice": null,
      "discountUnitPrice": null,
      "chargeUnit": null,
      "stepPrices": null
    },
    "requestId": "TF84F83D3-8F9B-4F49-952E-A7278F7C1183"
  }
}
```

**2. Query the price of changing the bandwidth commitment of cross-region bandwidth into 500 Mbps. The network billing model is `ByInstanceBandwidth95`.**

```json
POST /api/v2/zec HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: InquiryPriceModifyCrossRegionBandwidth
<Common Request Params>

Request：
{
  "crossRegionBandwidthId": "<your cross id>",
  "bandwidth": 500
}

Response：
{
  "requestId": "TF84F83D3-8F9B-4F49-952E-A7278F7C1183",
  "response": {
    "crossRegionBandwidthPrice": {
      "discount": 100.0,
      "discountPrice": 2000.0,
      "originalPrice": 2000.0,
      "unitPrice": null,
      "discountUnitPrice": null,
      "chargeUnit": null,
      "stepPrices": null
    },
    "requestId": "TF84F83D3-8F9B-4F49-952E-A7278F7C1183"
  }
}
```

{% endtab %}
{% endtabs %}

## 5. Developer Resources

Zenlayer Cloud API 2.0 [SDKs](https://github.com/zenlayer/zenlayercloud-api-doc-en/blob/main/api-introduction/software-toolkit/sdk/introduction.md) to make it easier for you to call APIs. More programming languages will be supported.

## 6. Error Codes

The following only lists the error codes related to the API business logic. For other error codes, see [Common Error Codes](https://docs.console.zenlayer.com/api/api-introduction/instruction/commonerrorcode).

<table><thead><tr><th width="172.352294921875">HTTP Status Code</th><th width="285.093017578125">Error Code</th><th>Description</th></tr></thead><tbody><tr><td>404</td><td>INVALID_VPC_BANDWIDTH_NOT_FOUND</td><td>Cross-region bandwidth does not exist.</td></tr></tbody></table>
