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POST
/
headless
/
2025-06
/
{site_id}
/
rewards
/
cart_discount_voucher
/
redeem
cURL
curl --request POST \
  --url https://api.loyaltylion.com/headless/2025-06/{site_id}/rewards/cart_discount_voucher/redeem \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "reward_id": 123,
  "customer_merchant_id": "<string>"
}'
{
  "voucher_code": "LL-XYA3816",
  "claimed_reward": {
    "id": 123,
    "claimed_at": "<string>",
    "reward_id": 123,
    "title": "$5 voucher",
    "state": "approved",
    "source": {
      "kind": "<string>",
      "points_cost": 123
    },
    "auto_refund_at": "<string>",
    "redeemable": {
      "usage_status": "not_used",
      "kind": "<string>",
      "code": "<string>",
      "discount_type": "fixed",
      "discount": {
        "amount": 9.9,
        "formatted": "$9.90"
      },
      "applies_to_order_type": "one_time",
      "recurring_cycle_limit": 1,
      "minimum_spend": {
        "amount": 10,
        "formatted": "$10"
      },
      "expires_at": "<string>",
      "used_at": "<string>"
    }
  },
  "customer": {
    "state": "<string>",
    "id": 123,
    "merchant_id": "<string>",
    "email": "<string>",
    "first_name": "<string>",
    "last_name": "<string>",
    "points_approved": 123,
    "points_pending": 123,
    "points_spent": 123,
    "enrolled_at": "<string>",
    "tier_membership": {
      "tier_id": 123,
      "started_at": "2025-01-01T12:00:00Z",
      "expires_at": "2026-01-01T12:00:00Z",
      "progress": {
        "kind": "<string>",
        "valid_until": "<string>",
        "points_needed_for_renewal": 123,
        "upgrade_tier_id": 123,
        "points_needed_for_upgrade": 123,
        "tier_points": {
          "now": 123,
          "at_expiration": 123
        }
      }
    },
    "birthday": {
      "month": 6,
      "day": 25
    },
    "next_birthday": "2025-06-25",
    "claimed_rewards": [
      {
        "id": 123,
        "claimed_at": "<string>",
        "reward_id": 123,
        "title": "$5 voucher",
        "state": "approved",
        "source": {
          "kind": "<string>",
          "points_cost": 123
        },
        "redeemable": {
          "usage_status": "not_used",
          "kind": "<string>",
          "code_last_characters": "<string>",
          "initial_balance": {
            "amount": 9.9,
            "formatted": "$9.90"
          },
          "current_balance": {
            "amount": 9.9,
            "formatted": "$9.90"
          },
          "expires_at": "<string>"
        },
        "auto_refund_at": "<string>"
      }
    ],
    "available_rewards": [
      {
        "id": 123,
        "limit": {
          "count": 123,
          "interval": "day"
        },
        "kind": "<string>",
        "properties": {
          "initial_balance": {
            "amount": 9.9,
            "formatted": "$9.90"
          }
        },
        "variant": {
          "tier_id": 123,
          "title": "$5 voucher",
          "enabled": true,
          "cost": {
            "kind": "<string>",
            "points": 123
          },
          "cost_text": "100 points"
        },
        "context": {
          "can_redeem": {
            "state": "<string>"
          },
          "last_claimed_at": "<string>",
          "claim_count": 123,
          "claim_limit": {
            "state": "<string>"
          }
        }
      }
    ],
    "available_rules": [
      {
        "id": 123,
        "limit": {
          "count": 123,
          "interval": "day"
        },
        "kind": "<string>",
        "variant": {
          "tier_id": 123,
          "title": "Make a purchase",
          "enabled": true,
          "result": {
            "kind": "<string>",
            "per_currency_unit": 1,
            "points": 5
          },
          "result_short_text": "5 points per $1"
        },
        "context": {
          "last_completed_at": "<string>",
          "completion_count": 123,
          "completion_limit": {
            "state": "<string>"
          }
        }
      }
    ],
    "history": [
      {
        "kind": "<string>",
        "label": "Join our program",
        "date": "<string>",
        "points": 1,
        "points_text": "500 points",
        "rule": {
          "id": 123,
          "kind": "birthday"
        },
        "points_will_approve_at": "<string>",
        "points_will_expire_at": "<string>",
        "state": "pending"
      }
    ],
    "active_cart_redemptions": [
      {
        "id": "<string>",
        "claimed_reward_id": 123,
        "expires_at": "<string>",
        "product": {
          "id": "<string>",
          "handle": "<string>",
          "title": "<string>",
          "url": "<string>",
          "image_url": "<string>",
          "variant": {
            "id": "<string>",
            "title": "<string>",
            "inventory_count": 123
          }
        },
        "quantity": 123,
        "cart_id": "<string>",
        "cart_line": {
          "kind": "<string>",
          "merchandise_id": "gid://shopify/ProductVariant/1001",
          "product_id": "gid://shopify/Product/100",
          "quantity": 1,
          "attributes": [
            {
              "key": "__lion_sfp_id",
              "value": "19fdf4cb"
            }
          ]
        },
        "current_cart_state": {
          "in_cart": true,
          "cart_requirements_met": true,
          "cart_requirements_detail": {
            "minimum_cart_total": {
              "state": "<string>"
            },
            "minimum_line_item_quantity": {
              "state": "<string>"
            }
          }
        }
      }
    ],
    "email_marketing_consent": {
      "state": "subscribed"
    },
    "sms_marketing_consent": {
      "state": "subscribed"
    },
    "referral_urls": {
      "direct": "<string>",
      "facebook": "<string>",
      "twitter": "<string>",
      "email": "<string>",
      "whatsapp": "<string>",
      "device_share": "<string>"
    }
  }
}
Use this endpoint to redeem a cart_discount_voucher reward, which will apply a fixed or percentage discount to the whole cart. If the redemption is successful, the new claimed reward and a unique voucher (coupon) code will be included in the response. You can show the voucher code to the customer and instruct them to apply it to their cart later. Or, if supported by your ecommerce platform, you can apply the voucher code to the cart directly, which provides a superior user experience. Note that cart discount vouchers can have a minimum spend, found in claimed_reward.redeemable.minimum_spend. If present, this should be communicated to the customer to avoid confusion.

Authorizations

​
Authorization
string
header
required

An API key linked to a Program in LoyaltyLion, with a set of permissions (scopes). API keys can be created manually, or acquired through an OAuth2 flow. The API key should be provided as a Bearer token in the Authorization header

Path Parameters

​
site_id
number
required

Your LoyaltyLion Site ID

Query Parameters

​
channel
enum<string>

The sales channel from which this request is made. Must be provided as this query parameter, or the X-LoyaltyLion-Channel header

Available options:
web,
pos,
mobile

Body

application/json

Body

​
reward_id
number
required

The LoyaltyLion ID of the reward to redeem

​
customer_merchant_id
string
required

The ID of the customer (in your ecommerce store or platform) to redeem the reward for. For Shopify stores, you can pass either a GID or a regular numeric ID.

This must be a customer whose state is enrolled

Response

201

​
voucher_code
string
required

The unique voucher code that will apply the discount

Example:

"LL-XYA3816"

​
claimed_reward
object
required

The new claimed reward. The voucher code can also be found in claimed_reward.redeemable.code

​
customer
object
required

The customer object, updated as of the reward redemption, i.e. their claimed_rewards will include the new redemption. This customer will always have state set to enrolled, as only enrolled customers can redeem rewards