> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.bigcommerce.com/developer/api-reference/rest/admin/management/tax/tax-classes/v3/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.bigcommerce.com/_mcp/server.

# Tax Classes V3

Create, update, and delete tax classes. Tax classes group products and shipping methods so you can apply different tax rates to each.

This API uses batch operations for `POST`, `PUT`, and `DELETE`. Successful responses use the envelope format `{ "data": ..., "meta": ... }`, with `POST` and `PUT` returning an array of tax class resources under `data`. `DELETE` is filter-based: pass the `id:in` query parameter to specify which tax classes to remove — there is no single-resource delete on this endpoint.

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## API Docs

- Admin Management: Tax Classes V3 [Create tax classes](https://docs.bigcommerce.com/developer/api-reference/rest/admin/management/tax/tax-classes/v3/tax-class-batch-post.md)
- Admin Management: Tax Classes V3 [Update tax classes](https://docs.bigcommerce.com/developer/api-reference/rest/admin/management/tax/tax-classes/v3/tax-class-batch-put.md)
- Admin Management: Tax Classes V3 [Delete tax classes](https://docs.bigcommerce.com/developer/api-reference/rest/admin/management/tax/tax-classes/v3/tax-class-batch-delete.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.bigcommerce.com/openapi.json)
- [OpenAPI YAML](https://docs.bigcommerce.com/openapi.yaml)