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POST
/
headless
/
2025-06
/
{site_id}
/
rewards
/
product_cart
/
redeem
cURL
curl --request POST \
  --url https://api.loyaltylion.com/headless/2025-06/{site_id}/rewards/product_cart/redeem \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "reward_id": 123,
  "customer_merchant_id": "<string>",
  "variant_id": "<string>",
  "cart_id": "<string>"
}'
{
  "active_cart_redemption": {
    "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>"
        }
      }
    }
  },
  "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>",
      "product": {
        "id": "<string>",
        "handle": "<string>",
        "title": "<string>",
        "url": "<string>",
        "image_url": "<string>",
        "variant": {
          "id": "<string>",
          "title": "<string>",
          "inventory_count": 123
        }
      },
      "quantity": 123,
      "used_at": "<string>",
      "cart_line_identifier": "<string>",
      "active_cart_redemption": {
        "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>"
            }
          }
        }
      }
    }
  },
  "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": "<any>"
            },
            "minimum_line_item_quantity": {
              "state": "<any>"
            }
          }
        }
      }
    ],
    "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>"
    }
  }
}
Free products can only be redeemed on Shopify, and must use Shopify Functions. If you are still using Shopify Scripts for free products, get in touch and we’ll switch you over to Shopify Functions
Use this endpoint to redeem a free product reward, which can then be added to the customer’s cart and checked out along with their other items. Redeeming free products requires the use of the Storefront API to add the free product to the customer’s cart, at which point a LoyaltyLion Shopify Function will apply the discount. If you’re using Shopify Hydrogen, see our implementation guide for free product rewards.

​
Choosing a variant

The reward may have been configured with multiple eligible product variants. If this is the case, you’ll need to let the customer choose which variant they want to redeem, and then pass that ID as variant_id when performing the redemption.

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

​
variant_id
string
required

The product variant ID to redeem. If the product reward includes multiple variants, you should ask the customer which one they want to redeem

​
cart_id
string
required

The ID of the current cart. The resulting cart redemption will be linked to this cart

Minimum length: 1

Response

201

​
active_cart_redemption
object
required
​
claimed_reward
object
required

The new claimed reward

​
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

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