Redeem Reward

<!-- theme: info --> > 📘 Alternative endpoint > > This endpoint is an alternative to this <!-- [endpoint](OpenAPI.json/paths/~1loyalties~1{campaignId}~1members~1{memberId}~1redemption) -->[endpoint](ref:redeem-reward-1). The URL was re-designed to allow you to redeem a reward without having to provide the `campaignId` as a path parameter.