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addresses
5
adjustments
5
adyen_gateways
5
adyen_payments
5
application
1
attachments
5
authorizations
3
avalara_accounts
5
axerve_gateways
5
axerve_payments
5
billing_info_validation_rules
5
bing_geocoders
5
braintree_gateways
5
braintree_payments
5
bundles
5
buy_x_pay_y_promotions
5
captures
3
carrier_accounts
5
checkout_com_gateways
5
checkout_com_payments
5
cleanups
5
coupon_codes_promotion_rules
5
coupon_recipients
5
coupons
5
custom_promotion_rules
5
customer_addresses
5
customer_groups
5
customer_password_resets
5
customer_payment_sources
5
customer_subscriptions
5
customers
5
delivery_lead_times
5
discount_engine_items
2
discount_engines
2
easypost_pickups
5
event_callbacks
2
event_stores
1
events
3
exports
5
external_gateways
5
external_payments
5
external_promotions
5
external_tax_calculators
5
fixed_amount_promotions
5
fixed_price_promotions
5
flex_promotions
5
get
/flex_promotions
List all flex promotions
post
/flex_promotions
Create a flex promotion
get
/flex_promotions/{flexPromotionId}
Retrieve a flex promotion
delete
/flex_promotions/{flexPromotionId}
Delete a flex promotion
patch
/flex_promotions/{flexPromotionId}
Update a flex promotion
free_gift_promotions
5
free_shipping_promotions
5
geocoders
2
gift_card_recipients
5
gift_cards
5
google_geocoders
5
has_many
440
has_one
236
imports
5
in_stock_subscriptions
5
inventory_models
5
inventory_return_locations
5
inventory_stock_locations
5
klarna_gateways
5
klarna_payments
5
line_item_options
5
line_items
5
links
5
manual_gateways
5
manual_tax_calculators
5
markets
5
merchants
5
notifications
5
order_amount_promotion_rules
5
order_copies
5
order_factories
2
order_subscription_items
5
order_subscriptions
5
order_validation_rules
2
orders
5
organization
1
packages
5
parcel_line_items
5
parcels
5
payment_gateways
2
payment_methods
5
payment_options
5
paypal_gateways
5
paypal_payments
5
percentage_discount_promotions
5
pickups
2
price_frequency_tiers
5
price_list_schedulers
5
price_lists
5
price_tiers
2
price_volume_tiers
5
prices
5
promotion_rules
2
promotions
2
recurring_order_copies
5
refunds
3
reserved_stocks
2
resource_errors
2
return_line_items
5
returns
5
satispay_gateways
5
satispay_payments
5
shipment_line_items
2
shipments
5
shipping_categories
5
shipping_method_tiers
2
shipping_methods
5
shipping_weight_tiers
5
shipping_zones
5
sku_list_items
5
sku_list_promotion_rules
5
sku_lists
5
sku_options
5
skus
5
stock_items
5
stock_line_items
5
stock_locations
5
stock_reservations
5
stock_transfers
5
stores
5
stripe_gateways
5
stripe_payments
5
stripe_tax_accounts
5
subscription_models
5
tags
5
talon_one_accounts
5
tax_calculators
2
tax_categories
5
tax_rules
5
taxjar_accounts
5
transactions
2
vertex_accounts
5
voids
3
webhooks
5
wire_transfers
5
flex_promotions
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Changes to Update a flex promotion
patch
/flex_promotions/{flexPromotionId}
Jul 13, 2026
859097ed3fe6
Revision changes
info
endpoint added