{
  "active_period": {
    "start_time": "2026-04-01T00:00:00Z",
    "end_time": "2026-04-30T23:59:59Z"
  }
}

{
  "applies_to": {
    "product_id": "prod_001",
    "variant_ids": ["var_001_black", "var_001_white"]
  }
}

{
  "type": "amount_off",
  "amount_off": {
    "amount": 1000,
    "currency": "USD"
  }
}

{
  "type": "percent_off",
  "percent_off": 20
}

{
  "type": "free_shipping"
}

{
  "id": "promo_summer_2026",
  "title": "Summer Sale - 25% Off Electronics",
  "description": "All electronics 25% off during summer promotion",
  "status": "scheduled",
  "active_period": {
    "start_time": "2026-06-01T00:00:00Z",
    "end_time": "2026-08-31T23:59:59Z"
  },
  "benefits": [
    {
      "type": "percent_off",
      "percent_off": 25
    }
  ],
  "applies_to": {
    "product_id": "prod_electronics_bundle",
    "variant_ids": ["var_laptop_001", "var_tablet_001"]
  },
  "url": "https://store.example.com/summer-sale"
}

PATCH /product_feeds/:feed_id/promotions
Content-Type: application/json
Authorization: Bearer api_key_123

{
  "promotions": [
    {
      "id": "promo_summer_2026",
      "title": "Summer Sale",
      "status": "active",
      "benefits": [
        {
          "type": "percent_off",
          "percent_off": 25
        }
      ]
    }
  ]
}

{
  "codes": ["SUMMER25", "WELCOME10"]
}

{
  "coupon": {
    "name": "Summer 25% Off",
    "percent_off": 25,
    "duration": "repeating",
    "max_redemptions": 1000,
    "times_redeemed": 342
  }
}

{
  "rejected": [
    {
      "code": "EXPIRED_CODE",
      "reason": "Coupon has expired"
    }
  ]
}

{
  "codes": ["SUMMER25"],
  "applied": [
    {
      "id": "disc_001",
      "code": "SUMMER25",
      "coupon": {
        "name": "Summer Sale",
        "percent_off": 25
      },
      "amount": {
        "amount": 2500,
        "currency": "USD"
      },
      "automatic": false,
      "method": "across",
      "priority": 1,
      "allocations": []
    }
  ],
  "rejected": []
}