postCouponsCoupon :: MonadHTTP m=> Textcoupon | Constraints: Maximum length of 5000
-> Maybe PostCouponsCouponRequestBodyThe request body to send
-> ClientT m (Response PostCouponsCouponResponse)Monadic computation which returns the result of the operation
POST /v1/coupons/{coupon}<p>Updates the metadata of a coupon. Other coupon details (currency, duration, amount_off) are, by design, not editable.</p>