**Version: 202601**

# Update market tax

**PUT** `/openapi/2026-01/markets/:id/tax`

Change whether product prices include tax. This is the only update allowed on the primary market.

## Request

**Path Parameters**

- `id` string (required)

  Market ID

**application/json**

**Body | Example**

**Body (required)**

- `product_tax_included` boolean (required)

  Whether product prices already include tax

```json
{
  "product_tax_included": true
}
```

## Responses

**200**

OK

**application/json**

**Schema | Example**

**Schema**

- `code` string

  error code
- `message` string

  error message
- `data` object

  - `` object

```json
{
  "code": "string",
  "message": "string",
  "data": {}
}
```
