Get physical goods list

Create a new Physical item

Get Physical item

Update Physical item

Delete Physical item

Get the list of item promotions

Create discount promotion for item

Get list of promotions

Get item promotion

Update item promotion

Get list of coupons

Create coupon

Get coupon

Update coupon

Activate coupon

Deactivate coupon

Generate coupon codes

Create coupon code

Get coupon codes

Get list of promo codes

Create promo code

Get promo code

Update promo code

Activate promo code

Deactivate promo code

Generate codes for promo code

Create code for promo code

Get codes of promo code