Headless API
Guides
- Shopify Hydrogen
Free Product
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>",
"title": "<string>",
"url": "<string>",
"image_url": "<string>",
"variant": {
"id": "<string>",
"title": "<string>"
}
},
"quantity": 123,
"cart_id": "<string>",
"cart_line": {
"kind": "shopify",
"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": "no_requirement"
},
"minimum_line_item_quantity": {
"state": "no_requirement"
}
}
}
},
"claimed_reward": {
"id": 123,
"claimed_at": "<string>",
"reward_id": 123,
"title": "$5 voucher",
"state": "approved",
"source": {
"kind": "points_redemption",
"points_cost": 123
},
"auto_refund_at": "<string>",
"redeemable": {
"usage_status": "not_used",
"kind": "product_cart",
"product": {
"id": "<string>",
"title": "<string>",
"url": "<string>",
"image_url": "<string>",
"variant": {
"id": "<string>",
"title": "<string>"
}
},
"quantity": 123,
"used_at": "<string>",
"cart_line_identifier": "<string>",
"active_cart_redemption": {
"id": "<string>",
"claimed_reward_id": 123,
"expires_at": "<string>",
"product": {
"id": "<string>",
"title": "<string>",
"url": "<string>",
"image_url": "<string>",
"variant": {
"id": "<string>",
"title": "<string>"
}
},
"quantity": 123,
"cart_id": "<string>",
"cart_line": {
"kind": "shopify",
"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": "no_requirement"
},
"minimum_line_item_quantity": {
"state": "no_requirement"
}
}
}
}
}
},
"customer": {
"state": "enrolled",
"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": "points",
"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": "points_redemption",
"points_cost": 123
},
"redeemable": {
"usage_status": "not_used",
"kind": "gift_card",
"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": "gift_card",
"properties": {
"initial_balance": {
"amount": 9.9,
"formatted": "$9.90"
}
},
"variant": {
"tier_id": 123,
"title": "$5 voucher",
"enabled": true,
"cost": {
"kind": "fixed",
"points": 123
},
"cost_text": "100 points"
},
"context": {
"can_redeem": {
"state": "redeemable"
},
"last_claimed_at": "<string>",
"claim_count": 123,
"claim_limit": {
"state": "no_limit"
}
}
}
],
"available_rules": [
{
"id": 123,
"limit": {
"count": 123,
"interval": "day"
},
"kind": "birthday",
"variant": {
"tier_id": 123,
"title": "Make a purchase",
"enabled": true,
"result": {
"kind": "points",
"per_currency_unit": 1,
"points": 5
},
"result_short_text": "5 points per $1"
},
"context": {
"last_completed_at": "<string>",
"completion_count": 123,
"completion_limit": {
"state": "no_limit"
}
}
}
],
"active_cart_redemptions": [
{
"id": "<string>",
"claimed_reward_id": 123,
"expires_at": "<string>",
"product": {
"id": "<string>",
"title": "<string>",
"url": "<string>",
"image_url": "<string>",
"variant": {
"id": "<string>",
"title": "<string>"
}
},
"quantity": 123,
"cart_id": "<string>",
"cart_line": {
"kind": "shopify",
"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": "no_requirement"
},
"minimum_line_item_quantity": {
"state": "no_requirement"
}
}
}
}
],
"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
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
Your LoyaltyLion Site ID
Query Parameters
The sales channel from which this request is made. Must be provided as this query parameter, or the X-LoyaltyLion-Channel
header
web
, pos
, mobile
Body
Body
The body is of type object
.
Response
201
The response is of type object
.
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>",
"title": "<string>",
"url": "<string>",
"image_url": "<string>",
"variant": {
"id": "<string>",
"title": "<string>"
}
},
"quantity": 123,
"cart_id": "<string>",
"cart_line": {
"kind": "shopify",
"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": "no_requirement"
},
"minimum_line_item_quantity": {
"state": "no_requirement"
}
}
}
},
"claimed_reward": {
"id": 123,
"claimed_at": "<string>",
"reward_id": 123,
"title": "$5 voucher",
"state": "approved",
"source": {
"kind": "points_redemption",
"points_cost": 123
},
"auto_refund_at": "<string>",
"redeemable": {
"usage_status": "not_used",
"kind": "product_cart",
"product": {
"id": "<string>",
"title": "<string>",
"url": "<string>",
"image_url": "<string>",
"variant": {
"id": "<string>",
"title": "<string>"
}
},
"quantity": 123,
"used_at": "<string>",
"cart_line_identifier": "<string>",
"active_cart_redemption": {
"id": "<string>",
"claimed_reward_id": 123,
"expires_at": "<string>",
"product": {
"id": "<string>",
"title": "<string>",
"url": "<string>",
"image_url": "<string>",
"variant": {
"id": "<string>",
"title": "<string>"
}
},
"quantity": 123,
"cart_id": "<string>",
"cart_line": {
"kind": "shopify",
"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": "no_requirement"
},
"minimum_line_item_quantity": {
"state": "no_requirement"
}
}
}
}
}
},
"customer": {
"state": "enrolled",
"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": "points",
"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": "points_redemption",
"points_cost": 123
},
"redeemable": {
"usage_status": "not_used",
"kind": "gift_card",
"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": "gift_card",
"properties": {
"initial_balance": {
"amount": 9.9,
"formatted": "$9.90"
}
},
"variant": {
"tier_id": 123,
"title": "$5 voucher",
"enabled": true,
"cost": {
"kind": "fixed",
"points": 123
},
"cost_text": "100 points"
},
"context": {
"can_redeem": {
"state": "redeemable"
},
"last_claimed_at": "<string>",
"claim_count": 123,
"claim_limit": {
"state": "no_limit"
}
}
}
],
"available_rules": [
{
"id": 123,
"limit": {
"count": 123,
"interval": "day"
},
"kind": "birthday",
"variant": {
"tier_id": 123,
"title": "Make a purchase",
"enabled": true,
"result": {
"kind": "points",
"per_currency_unit": 1,
"points": 5
},
"result_short_text": "5 points per $1"
},
"context": {
"last_completed_at": "<string>",
"completion_count": 123,
"completion_limit": {
"state": "no_limit"
}
}
}
],
"active_cart_redemptions": [
{
"id": "<string>",
"claimed_reward_id": 123,
"expires_at": "<string>",
"product": {
"id": "<string>",
"title": "<string>",
"url": "<string>",
"image_url": "<string>",
"variant": {
"id": "<string>",
"title": "<string>"
}
},
"quantity": 123,
"cart_id": "<string>",
"cart_line": {
"kind": "shopify",
"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": "no_requirement"
},
"minimum_line_item_quantity": {
"state": "no_requirement"
}
}
}
}
],
"referral_urls": {
"direct": "<string>",
"facebook": "<string>",
"twitter": "<string>",
"email": "<string>",
"whatsapp": "<string>",
"device_share": "<string>"
}
}
}