REST API GuidecouponsCreate new couponCreate new coupon PUT /coupons Create a new coupon and return its persistent data. Requires writable pricelists permission. Request Responses201401403409410500Successful Creation (Created)Response HeadersContent-LocationContent location (absolute path)ETagEntity tag (RFC 7232)Last-ModifiedLast modification date and time (RFC 7231)UnauthorizedResponse HeadersWWW-AuthenticatePreferred authentication scheme (RFC 7235)ForbiddenID Present (Conflict)GoneRuntime Error (Internal Server Error)