# Create a Promotion Coupon

Create a new promotion coupon.
Requires the "CREATE" role in the "Promotion" module.

Endpoint: POST /api/v3/PromotionCoupon
Version: 3.1.0
Security: OAuth2_clientCredentials

## Header parameters:

  - `ReferenceIDUniqueValidation` (boolean)
    Validate whether ReferenceID value is unique when included in the payload. Used by Loyalty App

## Response 200 fields (application/json):

  - `ID` (string)
    the Promotion Coupon has been created


## Response 500 fields