This might apply to you but only if it is within the cool off period.
Consumer’s right to cooling-off period after direct marketing
16. (1) This section does not apply to a transaction if section 44 of the Electronic
Communications and Transactions Act applies to that transaction.
(2) To the extent that this section applies to a transaction or agreement, it is in addition
to and not in substitution for any right to rescind a transaction or agreement that may
otherwise exist in law between a supplier and a consumer.
(3)Aconsumer may rescind a transaction resulting from any direct marketing without
reason or penalty, by notice to the supplier in writing, or another recorded manner and
form, within five business days after the later of the date on which—
(a) the transaction or agreement was concluded; or
(b) the goods that were the subject of the transaction were delivered to the
consumer.
(4) A supplier must—
(a) return any payment received from the consumer in terms of the transaction
within 15 business days after—
(i) receiving notice of the rescission, if no goods had been delivered to the
consumer in terms of the transaction; or
(ii) receiving from the consumer any goods supplied in terms of the
transaction; and
(b) not attempt to collect any payment in terms of a rescinded transaction, except
as permitted in terms of section 20(6).