# ListVatNumbers

Retrieve VAT Numbers for a company

`GET /api/v2/companies/{companyId}/vatnumbers`

**API:** AvaTax API
**Tag:** Companies
**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/Companies/ListVatNumbers/

## Description

Retrieve all VAT Numbers associated with this company.
            
A VAT Number represents a customer's VAT identification number that has been validated
against VIES (VAT Information Exchange System).
            
Search for specific records using the `$filter` parameter. Supported filters include:
* `vatNumber` - Filter by VAT number
* `country` - Filter by country code (e.g., "GB", "DE")
* `vatNumberStatus` - Filter by VAT number validation status (0=NotValidated, 1=Valid, 2=Invalid, 3=Error)
* `businessNameStatus` - Filter by business name comparison status (0=NotValidated, 1=Valid, 2=Invalid, 3=Error)
* `businessName` - Filter by business name
* `validationSource` - Filter by validation source ('VIES' or 'ELR')
* `validationDate` - Filter by last validation timestamp (e.g., `validationDate gt 2026-01-01`)
* `createdDate` - Filter by record creation timestamp (e.g., `createdDate ge 2026-01-01`)
* `modifiedDate` - Filter by record modification timestamp (e.g., `modifiedDate gt 2026-05-01T00:00:00Z`)
            
Order results using `$orderBy`. Common orderings:
* `vatNumber ASC` - Order by VAT number ascending
* `validationDate DESC` - Order by most recently validated first
* `modifiedDate DESC` - Order by most recently modified first

### Security Policies

* This API requires one of the following user roles: AccountAdmin, AccountOperator, AccountUser, AvaTaxOnlyAccountAdmin, AvaTaxOnlyAccountUser, AvaTaxOnlyCompanyAdmin, AvaTaxOnlyCompanyUser, BatchServiceAdmin, CompanyAdmin, CompanyUser, Compliance Root User, ComplianceAdmin, ComplianceUser, CSPAdmin, CSPTester, ECMAccountUser, ECMCompanyUser, FirmAdmin, FirmUser, ProStoresOperator, Registrar, ReturnsOnlyAccountAdmin, ReturnsOnlyAccountUser, ReturnsOnlyCompanyAdmin, ReturnsOnlyCompanyUser, SiteAdmin, SSTAdmin, SystemAdmin, TechnicalSupportAdmin, TechnicalSupportUser, TreasuryAdmin, TreasuryUser.

## Parameters

| Name | Type | In | Required | Description |
|---|---|---|---|---|
| `companyId` | integer | path | Yes | The ID of the company |
| `$filter` | string | query | No | A filter statement to identify specific records to retrieve.  For more information on filtering, see [Filtering in REST](http://developer.avalara.com/avatax/filtering-in-rest/). |
| `$top` | integer | query | No | If nonzero, return no more than this number of results.  Used with `$skip` to provide pagination for large datasets.  Unless otherwise specified, the maximum number of records that can be returned from an API call is 1,000 records. |
| `$skip` | integer | query | No | If nonzero, skip this number of results before returning data.  Used with `$top` to provide pagination for large datasets. |
| `$orderBy` | string | query | No | A comma separated list of sort statements in the format `(fieldname) [ASC|DESC]`, for example `id ASC`. |
| `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 | `CustomerVatNumberModelFetchResult` |
| 400 | Bad Request |  |
| 401 | Unauthorized |  |
| 404 | Not Found |  |

### 200 Response: `CustomerVatNumberModelFetchResult`

| Property | Type | Required | Description |
|---|---|---|---|
| `@recordsetCount` | integer | No |  |
| `value` | CustomerVatNumberModel[] | No |  |
| `@nextLink` | string | No |  |
| `pageKey` | string | No |  |

## Example Request

```bash
curl -X GET "https://sandbox-rest.avatax.com/api/v2/companies/{companyId}/vatnumbers" \
  -H "Authorization: Basic <credentials>" \
  -H "Accept: application/json"
```