End a charge for current subscribers
Ends the charge for each live subscriber of the plan at their next renewal, or at once when trialing or paused. Their usage so far still bills on the next invoice. A subscriber for whom the charge is all they have of the plan is left out.
Authorizations
Use a Bouclay secret key (sk_test_..., sk_live_...) or restricted key
(rk_test_..., rk_live_...).
A secret key can call every endpoint. A restricted key can only call the
endpoints its scopes cover. A scope is {resource}:{access}, for example
customers:read or refunds:write, and write includes read. GET
requests need read access and everything else needs write, except
POST /subscriptions/{id}/items/{item}/preview, which only needs
subscriptions:read. A request outside the key's scopes gets 403 permission_denied naming the missing scope, and its Idempotency-Key
is not used up.
Publishable keys (pk_...) are rejected by server-side API endpoints. A
key's mode scopes what it can see and charge: a test key can never reach
a live card.
Headers
Required for POST and PATCH requests. Replays identical method + path + body requests and rejects mismatched re-use.
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