This request can be called several times, until the redemption is fully cancelled.
POST https://api.e-guma.ch/v1/vouchers/{code}/cancel_redemption.json?apikey={api-key}
Parameters
code required
The alphanumeric code of the voucher. The code has 12 characters. You can pass the code with (e.g. ABCD-ABCD-ABCD) or without (e.g. ABCDABCDABCD) dashes.