# DeleteItemCustomParameter

Delete a single item custom parameter

`DELETE /api/v2/companies/{companyId}/items/{itemId}/custom-parameters/{id}`

**API:** AvaTax API
**Tag:** Items
**API Version:** v2
**Base URL:** https://sandbox-rest.avatax.com/
**Accepts:** `application/json`
**Authentication:** API Key (`Authorization` in header) or OAuth 2.0 or Basic (username + license key)

Source: https://developer.avalara.com/products/avatax/api/methods/Items/DeleteItemCustomParameter/

## Description

Delete a single item custom parameter.
            
Custom parameters provide extra information about an item that can be used for various business purposes.
These parameters are stored as key-value pairs where the parameter name is the key and the value is the corresponding data.
            
Custom parameters can be used to store custom attributes, metadata, or any other supplementary information
that doesn't fit into the standard item fields.

### Security Policies

* This API requires one of the following user roles: AccountAdmin, AvaTaxOnlyAccountAdmin, AvaTaxOnlyCompanyAdmin, BatchServiceAdmin, CompanyAdmin, CSPTester, SSTAdmin, TechnicalSupportAdmin.

## Parameters

| Name | Type | In | Required | Description |
|---|---|---|---|---|
| `companyId` | integer | path | Yes | The company id |
| `itemId` | integer | path | Yes | The item id |
| `id` | integer | path | Yes | The custom parameter id |
| `X-Avalara-Client` | string | header | No | Identifies the software you are using to call this API.  For more information on the client header, see [Client Headers](https://developer.avalara.com/avatax/client-headers/) . |

## Responses

| Status | Description | Schema |
|---|---|---|
| 200 | Success |  |
| 400 | Bad Request | `ProblemDetails` |
| 401 | Unauthorized | `ProblemDetails` |
| 404 | Not Found | `ProblemDetails` |

## Example Request

```bash
curl -X DELETE "https://sandbox-rest.avatax.com/api/v2/companies/{companyId}/items/{itemId}/custom-parameters/{id}" \
  -H "Authorization: Basic <credentials>" \
  -H "Accept: application/json"
```