The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types) of the response body.

Accept

The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types) of the request body.

Content-Type

Unique key that identifies the Tax Provider on the BigCommerce platform.

Tax Provider ID

Describes whether the stored credentials are considered complete and configured, ready to be used for Tax Provider API requests.

Merchants may enable any **configured** tax provider for storefront tax quotation.

The countries and subdivisions in which this tax provider connection is active.

Identifies a unique account on the external tax provider infrastructure. May be used to reconcile the two platforms.

Connection Status

### OAuth scopes

| UI Name | Permission | Parameter |
|:--------|:-----------|:----------|
|  Information & Settings | modify | `store_v2_information` |
|  Information & Settings | read-only | `store_v2_information_read_only` |

### Authentication header

| Header | Argument | Description |
|:-------|:---------|:------------|
| `X-Auth-Token` | `access_token` | For more about API accounts that generate `access_token`s, see our [Guide to API Accounts](/docs/start/authentication/api-accounts). |

### Further reading

For example requests and more information about authenticating BigCommerce APIs, see [Authentication and Example Requests](/docs/start/authentication#x-auth-token-header-example-requests).

For more about BigCommerce OAuth scopes, see our [Guide to API Accounts](/docs/start/authentication/api-accounts#oauth-scopes).

For a list of API status codes, see [API Status Codes](/docs/start/about/status-codes).

X-Auth-Token

BigCommerce

Manage the connection between a merchantʼs BigCommerce store and a third party tax provider. For more information, see [Tax Provider API Overview](/docs/integrations/tax).

Tax Provider Connection

Remove any previously set basic connection credentials for the specified provider. If the specified provider is the active tax provider on the store, the store's active tax provider will be reset to BigCommerce Manual Tax. It is suggested to call this endpoint during a single-click app [uninstall callback](/docs/integrations/apps/guide/callbacks#uninstall-callback).

> #### Note
> * This operation will be logged in [Store Logs](https://support.bigcommerce.com/s/article/Using-Store-Logs) under **Staff Actions**.
> * Requires **write** permissions on the **Information and Settings** [scope](/docs/start/authentication/api-accounts#oauth-scopes).


Provider or provider connection does not exist

Retrieve the connection status of the specified tax provider in the context of a store.

> #### Note
> * Requires **read** permissions on the **Information and Settings** scope.


The Tax Providerʼs `provider_id` provided by BigCommerce after the provider [shares their provider details](/docs/integrations/tax#sharing-provider-details-with-bigcommerce).

provider_id

Set authentication information associated with a merchant's account on the tax provider's infrastructure:
- [HTTP Basic Authentication](https://developer.mozilla.org/en-US/docs/Web/HTTP/Authentication) (developer.mozilla.org) credentials
- (optional) Tax provider profile used in customized endpoint urls for tax provider calls. This is only available for tax providers that support this feature.

The configured `username`, `password`, and `profile` (if available) are used to authenticate each API request to the Tax Provider from the associated store. 
The tax provider's `profile` will be included in the URL for [Tax Provider API](/docs/rest-contracts/tax) endpoints. 

> #### Note
> * This operation will be logged in [Store Logs](https://support.bigcommerce.com/s/article/Using-Store-Logs) under **Staff Actions**.
> * Requires **write** permissions on the **Information and Settings** [scope](/docs/start/authentication/api-accounts#oauth-scopes).

Basic authentication information, associated with a merchant account on the third-party tax providerʼs infrastructure.

Unprocessable Entity, will include a specific error message referencing the issue.

Tax Provider Connection

Get Connection Status

Delete a Connection

Update a Connection