POST
Create a product tax class

Authorizations

Authorization
string
header
required

A secret API key. Publishable keys cannot reach this API. A key may carry an expiry, and an expired key is refused exactly like an unknown one, with a 401 that names no reason; check the key's expires_at in the dashboard rather than inferring it from a response. When a merchant rolls a key's secret they choose a grace window of up to 3 days, and for its duration BOTH the new secret and the one it replaced authenticate, so an integration moves over on its own deploy schedule instead of at the instant the button is pressed. Move before the window closes: after it, the old secret is refused. Nothing else about this contract moves with a roll. The key keeps its id and its scopes, so the only thing an integration updates is the credential itself.

Headers

Idempotency-Key
string
required

A unique key per logical write. Replaying a request with the same key returns the first response byte for byte instead of applying the write twice.

Body

application/json

code is UNIQUE PER STORE, so a duplicate is a 409 rather than a second class. That is the convergence guarantee tax rates cannot offer: a create retried outside the idempotency window collides instead of minting a twin.

name
string
required

Required, trimmed, and must not be blank.

code
string
required

Required and unique per store. Published as stored: not upper-cased, not normalised, and not a code from any tax standard. Address a class by its id rather than by this, since a PATCH rewrites it.

Response

Created

data
object