curl --request POST \
  --url https://staging.api.commercengine.io/api/v1/{store_id}/admin/catalog/products/{id}/variants \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "name": "<string>",
    "associated_options": [
      {
        "attribute_id": "<string>",
        "attribute_value": "<string>"
      }
    ],
    "is_default": true,
    "short_description": "<string>",
    "metadata": {},
    "sku": "<string>",
    "slug": "<string>",
    "pricing": [
      {
        "customer_group_id": "<string>",
        "cost_price": 123,
        "listing_price": 123,
        "selling_price": 123,
        "tax_rate": 123,
        "min_order_quantity": 1,
        "max_order_quantity": 123,
        "incremental_quantity": 1
      }
    ],
    "variant_attributes": [
      {
        "attribute_id": "<string>",
        "attribute_value": "<string>"
      }
    ],
    "description": "<string>",
    "images": [
      "<string>"
    ],
    "videos": [
      "<string>"
    ],
    "packaging": {
      "pack_width": 123,
      "pack_height": 123,
      "pack_length": 123,
      "pack_dry_weight": 123,
      "units_per_pack": 123,
      "vertical_rotation": true,
      "shipper_width": 123,
      "shipper_height": 123,
      "shipper_length": 123,
      "shipper_dry_weight": 123,
      "units_per_shipper": 123
    },
    "related_products": {
      "cross_sell": [
        "<string>"
      ],
      "upsell": [
        "<string>"
      ]
    },
    "promotions": {
      "promotion_type": "discount",
      "starts_at": "<string>",
      "details": [
        {
          "discount_type": "percentage",
          "discount_percent": 123,
          "customer_group_id": "<string>",
          "minimum_quantity": 1,
          "maximum_quantity": 123,
          "maximum_discount_amount": 123
        }
      ],
      "expires_at": "<string>"
    },
    "subscriptions": [
      {
        "subscription_plan": "<string>",
        "billing_interval": 123,
        "billing_frequency": "monthly",
        "billing_limit": 123,
        "billing_trial_days": 0,
        "fulfill_separately": true,
        "subscription_price": [
          {
            "suscription_price": 123,
            "minimum_quantity": 1,
            "customer_group_id": "<string>"
          }
        ],
        "order_interval": 123,
        "order_frequency": "monthly",
        "order_limit": 123
      }
    ]
  }
]
'

import requests

url = "https://staging.api.commercengine.io/api/v1/{store_id}/admin/catalog/products/{id}/variants"

payload = [
    {
        "name": "<string>",
        "associated_options": [
            {
                "attribute_id": "<string>",
                "attribute_value": "<string>"
            }
        ],
        "is_default": True,
        "short_description": "<string>",
        "metadata": {},
        "sku": "<string>",
        "slug": "<string>",
        "pricing": [
            {
                "customer_group_id": "<string>",
                "cost_price": 123,
                "listing_price": 123,
                "selling_price": 123,
                "tax_rate": 123,
                "min_order_quantity": 1,
                "max_order_quantity": 123,
                "incremental_quantity": 1
            }
        ],
        "variant_attributes": [
            {
                "attribute_id": "<string>",
                "attribute_value": "<string>"
            }
        ],
        "description": "<string>",
        "images": ["<string>"],
        "videos": ["<string>"],
        "packaging": {
            "pack_width": 123,
            "pack_height": 123,
            "pack_length": 123,
            "pack_dry_weight": 123,
            "units_per_pack": 123,
            "vertical_rotation": True,
            "shipper_width": 123,
            "shipper_height": 123,
            "shipper_length": 123,
            "shipper_dry_weight": 123,
            "units_per_shipper": 123
        },
        "related_products": {
            "cross_sell": ["<string>"],
            "upsell": ["<string>"]
        },
        "promotions": {
            "promotion_type": "discount",
            "starts_at": "<string>",
            "details": [
                {
                    "discount_type": "percentage",
                    "discount_percent": 123,
                    "customer_group_id": "<string>",
                    "minimum_quantity": 1,
                    "maximum_quantity": 123,
                    "maximum_discount_amount": 123
                }
            ],
            "expires_at": "<string>"
        },
        "subscriptions": [
            {
                "subscription_plan": "<string>",
                "billing_interval": 123,
                "billing_frequency": "monthly",
                "billing_limit": 123,
                "billing_trial_days": 0,
                "fulfill_separately": True,
                "subscription_price": [
                    {
                        "suscription_price": 123,
                        "minimum_quantity": 1,
                        "customer_group_id": "<string>"
                    }
                ],
                "order_interval": 123,
                "order_frequency": "monthly",
                "order_limit": 123
            }
        ]
    }
]
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify([
    {
      name: '<string>',
      associated_options: [{attribute_id: '<string>', attribute_value: '<string>'}],
      is_default: true,
      short_description: '<string>',
      metadata: {},
      sku: '<string>',
      slug: '<string>',
      pricing: [
        {
          customer_group_id: '<string>',
          cost_price: 123,
          listing_price: 123,
          selling_price: 123,
          tax_rate: 123,
          min_order_quantity: 1,
          max_order_quantity: 123,
          incremental_quantity: 1
        }
      ],
      variant_attributes: [{attribute_id: '<string>', attribute_value: '<string>'}],
      description: '<string>',
      images: ['<string>'],
      videos: ['<string>'],
      packaging: {
        pack_width: 123,
        pack_height: 123,
        pack_length: 123,
        pack_dry_weight: 123,
        units_per_pack: 123,
        vertical_rotation: true,
        shipper_width: 123,
        shipper_height: 123,
        shipper_length: 123,
        shipper_dry_weight: 123,
        units_per_shipper: 123
      },
      related_products: {cross_sell: ['<string>'], upsell: ['<string>']},
      promotions: {
        promotion_type: 'discount',
        starts_at: '<string>',
        details: [
          {
            discount_type: 'percentage',
            discount_percent: 123,
            customer_group_id: '<string>',
            minimum_quantity: 1,
            maximum_quantity: 123,
            maximum_discount_amount: 123
          }
        ],
        expires_at: '<string>'
      },
      subscriptions: [
        {
          subscription_plan: '<string>',
          billing_interval: 123,
          billing_frequency: 'monthly',
          billing_limit: 123,
          billing_trial_days: 0,
          fulfill_separately: true,
          subscription_price: [{suscription_price: 123, minimum_quantity: 1, customer_group_id: '<string>'}],
          order_interval: 123,
          order_frequency: 'monthly',
          order_limit: 123
        }
      ]
    }
  ])
};

fetch('https://staging.api.commercengine.io/api/v1/{store_id}/admin/catalog/products/{id}/variants', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://staging.api.commercengine.io/api/v1/{store_id}/admin/catalog/products/{id}/variants",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    [
        'name' => '<string>',
        'associated_options' => [
                [
                                'attribute_id' => '<string>',
                                'attribute_value' => '<string>'
                ]
        ],
        'is_default' => true,
        'short_description' => '<string>',
        'metadata' => [
                
        ],
        'sku' => '<string>',
        'slug' => '<string>',
        'pricing' => [
                [
                                'customer_group_id' => '<string>',
                                'cost_price' => 123,
                                'listing_price' => 123,
                                'selling_price' => 123,
                                'tax_rate' => 123,
                                'min_order_quantity' => 1,
                                'max_order_quantity' => 123,
                                'incremental_quantity' => 1
                ]
        ],
        'variant_attributes' => [
                [
                                'attribute_id' => '<string>',
                                'attribute_value' => '<string>'
                ]
        ],
        'description' => '<string>',
        'images' => [
                '<string>'
        ],
        'videos' => [
                '<string>'
        ],
        'packaging' => [
                'pack_width' => 123,
                'pack_height' => 123,
                'pack_length' => 123,
                'pack_dry_weight' => 123,
                'units_per_pack' => 123,
                'vertical_rotation' => true,
                'shipper_width' => 123,
                'shipper_height' => 123,
                'shipper_length' => 123,
                'shipper_dry_weight' => 123,
                'units_per_shipper' => 123
        ],
        'related_products' => [
                'cross_sell' => [
                                '<string>'
                ],
                'upsell' => [
                                '<string>'
                ]
        ],
        'promotions' => [
                'promotion_type' => 'discount',
                'starts_at' => '<string>',
                'details' => [
                                [
                                                                'discount_type' => 'percentage',
                                                                'discount_percent' => 123,
                                                                'customer_group_id' => '<string>',
                                                                'minimum_quantity' => 1,
                                                                'maximum_quantity' => 123,
                                                                'maximum_discount_amount' => 123
                                ]
                ],
                'expires_at' => '<string>'
        ],
        'subscriptions' => [
                [
                                'subscription_plan' => '<string>',
                                'billing_interval' => 123,
                                'billing_frequency' => 'monthly',
                                'billing_limit' => 123,
                                'billing_trial_days' => 0,
                                'fulfill_separately' => true,
                                'subscription_price' => [
                                                                [
                                                                                                                                'suscription_price' => 123,
                                                                                                                                'minimum_quantity' => 1,
                                                                                                                                'customer_group_id' => '<string>'
                                                                ]
                                ],
                                'order_interval' => 123,
                                'order_frequency' => 'monthly',
                                'order_limit' => 123
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://staging.api.commercengine.io/api/v1/{store_id}/admin/catalog/products/{id}/variants"

	payload := strings.NewReader("[\n  {\n    \"name\": \"<string>\",\n    \"associated_options\": [\n      {\n        \"attribute_id\": \"<string>\",\n        \"attribute_value\": \"<string>\"\n      }\n    ],\n    \"is_default\": true,\n    \"short_description\": \"<string>\",\n    \"metadata\": {},\n    \"sku\": \"<string>\",\n    \"slug\": \"<string>\",\n    \"pricing\": [\n      {\n        \"customer_group_id\": \"<string>\",\n        \"cost_price\": 123,\n        \"listing_price\": 123,\n        \"selling_price\": 123,\n        \"tax_rate\": 123,\n        \"min_order_quantity\": 1,\n        \"max_order_quantity\": 123,\n        \"incremental_quantity\": 1\n      }\n    ],\n    \"variant_attributes\": [\n      {\n        \"attribute_id\": \"<string>\",\n        \"attribute_value\": \"<string>\"\n      }\n    ],\n    \"description\": \"<string>\",\n    \"images\": [\n      \"<string>\"\n    ],\n    \"videos\": [\n      \"<string>\"\n    ],\n    \"packaging\": {\n      \"pack_width\": 123,\n      \"pack_height\": 123,\n      \"pack_length\": 123,\n      \"pack_dry_weight\": 123,\n      \"units_per_pack\": 123,\n      \"vertical_rotation\": true,\n      \"shipper_width\": 123,\n      \"shipper_height\": 123,\n      \"shipper_length\": 123,\n      \"shipper_dry_weight\": 123,\n      \"units_per_shipper\": 123\n    },\n    \"related_products\": {\n      \"cross_sell\": [\n        \"<string>\"\n      ],\n      \"upsell\": [\n        \"<string>\"\n      ]\n    },\n    \"promotions\": {\n      \"promotion_type\": \"discount\",\n      \"starts_at\": \"<string>\",\n      \"details\": [\n        {\n          \"discount_type\": \"percentage\",\n          \"discount_percent\": 123,\n          \"customer_group_id\": \"<string>\",\n          \"minimum_quantity\": 1,\n          \"maximum_quantity\": 123,\n          \"maximum_discount_amount\": 123\n        }\n      ],\n      \"expires_at\": \"<string>\"\n    },\n    \"subscriptions\": [\n      {\n        \"subscription_plan\": \"<string>\",\n        \"billing_interval\": 123,\n        \"billing_frequency\": \"monthly\",\n        \"billing_limit\": 123,\n        \"billing_trial_days\": 0,\n        \"fulfill_separately\": true,\n        \"subscription_price\": [\n          {\n            \"suscription_price\": 123,\n            \"minimum_quantity\": 1,\n            \"customer_group_id\": \"<string>\"\n          }\n        ],\n        \"order_interval\": 123,\n        \"order_frequency\": \"monthly\",\n        \"order_limit\": 123\n      }\n    ]\n  }\n]")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://staging.api.commercengine.io/api/v1/{store_id}/admin/catalog/products/{id}/variants")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("[\n  {\n    \"name\": \"<string>\",\n    \"associated_options\": [\n      {\n        \"attribute_id\": \"<string>\",\n        \"attribute_value\": \"<string>\"\n      }\n    ],\n    \"is_default\": true,\n    \"short_description\": \"<string>\",\n    \"metadata\": {},\n    \"sku\": \"<string>\",\n    \"slug\": \"<string>\",\n    \"pricing\": [\n      {\n        \"customer_group_id\": \"<string>\",\n        \"cost_price\": 123,\n        \"listing_price\": 123,\n        \"selling_price\": 123,\n        \"tax_rate\": 123,\n        \"min_order_quantity\": 1,\n        \"max_order_quantity\": 123,\n        \"incremental_quantity\": 1\n      }\n    ],\n    \"variant_attributes\": [\n      {\n        \"attribute_id\": \"<string>\",\n        \"attribute_value\": \"<string>\"\n      }\n    ],\n    \"description\": \"<string>\",\n    \"images\": [\n      \"<string>\"\n    ],\n    \"videos\": [\n      \"<string>\"\n    ],\n    \"packaging\": {\n      \"pack_width\": 123,\n      \"pack_height\": 123,\n      \"pack_length\": 123,\n      \"pack_dry_weight\": 123,\n      \"units_per_pack\": 123,\n      \"vertical_rotation\": true,\n      \"shipper_width\": 123,\n      \"shipper_height\": 123,\n      \"shipper_length\": 123,\n      \"shipper_dry_weight\": 123,\n      \"units_per_shipper\": 123\n    },\n    \"related_products\": {\n      \"cross_sell\": [\n        \"<string>\"\n      ],\n      \"upsell\": [\n        \"<string>\"\n      ]\n    },\n    \"promotions\": {\n      \"promotion_type\": \"discount\",\n      \"starts_at\": \"<string>\",\n      \"details\": [\n        {\n          \"discount_type\": \"percentage\",\n          \"discount_percent\": 123,\n          \"customer_group_id\": \"<string>\",\n          \"minimum_quantity\": 1,\n          \"maximum_quantity\": 123,\n          \"maximum_discount_amount\": 123\n        }\n      ],\n      \"expires_at\": \"<string>\"\n    },\n    \"subscriptions\": [\n      {\n        \"subscription_plan\": \"<string>\",\n        \"billing_interval\": 123,\n        \"billing_frequency\": \"monthly\",\n        \"billing_limit\": 123,\n        \"billing_trial_days\": 0,\n        \"fulfill_separately\": true,\n        \"subscription_price\": [\n          {\n            \"suscription_price\": 123,\n            \"minimum_quantity\": 1,\n            \"customer_group_id\": \"<string>\"\n          }\n        ],\n        \"order_interval\": 123,\n        \"order_frequency\": \"monthly\",\n        \"order_limit\": 123\n      }\n    ]\n  }\n]")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://staging.api.commercengine.io/api/v1/{store_id}/admin/catalog/products/{id}/variants")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "[\n  {\n    \"name\": \"<string>\",\n    \"associated_options\": [\n      {\n        \"attribute_id\": \"<string>\",\n        \"attribute_value\": \"<string>\"\n      }\n    ],\n    \"is_default\": true,\n    \"short_description\": \"<string>\",\n    \"metadata\": {},\n    \"sku\": \"<string>\",\n    \"slug\": \"<string>\",\n    \"pricing\": [\n      {\n        \"customer_group_id\": \"<string>\",\n        \"cost_price\": 123,\n        \"listing_price\": 123,\n        \"selling_price\": 123,\n        \"tax_rate\": 123,\n        \"min_order_quantity\": 1,\n        \"max_order_quantity\": 123,\n        \"incremental_quantity\": 1\n      }\n    ],\n    \"variant_attributes\": [\n      {\n        \"attribute_id\": \"<string>\",\n        \"attribute_value\": \"<string>\"\n      }\n    ],\n    \"description\": \"<string>\",\n    \"images\": [\n      \"<string>\"\n    ],\n    \"videos\": [\n      \"<string>\"\n    ],\n    \"packaging\": {\n      \"pack_width\": 123,\n      \"pack_height\": 123,\n      \"pack_length\": 123,\n      \"pack_dry_weight\": 123,\n      \"units_per_pack\": 123,\n      \"vertical_rotation\": true,\n      \"shipper_width\": 123,\n      \"shipper_height\": 123,\n      \"shipper_length\": 123,\n      \"shipper_dry_weight\": 123,\n      \"units_per_shipper\": 123\n    },\n    \"related_products\": {\n      \"cross_sell\": [\n        \"<string>\"\n      ],\n      \"upsell\": [\n        \"<string>\"\n      ]\n    },\n    \"promotions\": {\n      \"promotion_type\": \"discount\",\n      \"starts_at\": \"<string>\",\n      \"details\": [\n        {\n          \"discount_type\": \"percentage\",\n          \"discount_percent\": 123,\n          \"customer_group_id\": \"<string>\",\n          \"minimum_quantity\": 1,\n          \"maximum_quantity\": 123,\n          \"maximum_discount_amount\": 123\n        }\n      ],\n      \"expires_at\": \"<string>\"\n    },\n    \"subscriptions\": [\n      {\n        \"subscription_plan\": \"<string>\",\n        \"billing_interval\": 123,\n        \"billing_frequency\": \"monthly\",\n        \"billing_limit\": 123,\n        \"billing_trial_days\": 0,\n        \"fulfill_separately\": true,\n        \"subscription_price\": [\n          {\n            \"suscription_price\": 123,\n            \"minimum_quantity\": 1,\n            \"customer_group_id\": \"<string>\"\n          }\n        ],\n        \"order_interval\": 123,\n        \"order_frequency\": \"monthly\",\n        \"order_limit\": 123\n      }\n    ]\n  }\n]"

response = http.request(request)
puts response.read_body

{
  "message": "<string>",
  "success": true,
  "content": {
    "variants": [
      {
        "id": "<string>",
        "active": true,
        "stock_available": true,
        "is_default": true,
        "short_description": "<string>",
        "metadata": {},
        "sku": "<string>",
        "slug": "<string>",
        "hsn_code": "<string>",
        "on_offer": true,
        "on_promotion": true,
        "on_subscription": true,
        "product_type": "physical",
        "product_id": "<string>",
        "product_name": "<string>",
        "pricing": [
          {
            "customer_group_id": "<string>",
            "cost_price": 123,
            "listing_price": 123,
            "selling_price": 123,
            "tax_rate": 123,
            "min_order_quantity": 1,
            "max_order_quantity": 123,
            "incremental_quantity": 1,
            "tax_type": "GST"
          }
        ],
        "created_at": "2023-11-07T05:31:56Z",
        "modified_at": "2023-11-07T05:31:56Z",
        "variant_attributes": [
          {
            "attribute_id": "<string>",
            "attribute_name": "<string>",
            "attribute_type": "text",
            "attribute_value": "<string>",
            "key": "<string>"
          }
        ],
        "name": "<string>",
        "associated_options": [
          {
            "attribute_id": "<string>",
            "attribute_value": "<string>",
            "attribute_name": "<string>",
            "attribute_type": "single-select",
            "key": "<string>"
          }
        ],
        "images": [
          {
            "title": "<string>",
            "alternate_text": "<string>",
            "sort_order": 123,
            "url_tiny": "<string>",
            "url_thumbnail": "<string>",
            "url_standard": "<string>",
            "url_zoom": "<string>",
            "file_id": "<string>",
            "file_type": "image"
          }
        ],
        "description": "<string>",
        "videos": [
          {
            "title": "<string>",
            "alternate_text": "<string>",
            "sort_order": 123,
            "video_preview_url": "<string>",
            "video_stream_hls_url": "<string>",
            "video_stream_dash_url": "<string>",
            "image_thumbnail_url": "<string>",
            "video_duration": 123,
            "file_id": "<string>"
          }
        ],
        "seo": {
          "title": "<string>",
          "description": "<string>",
          "keywords": "<array>"
        },
        "shipping": {
          "handling_charge": 1
        },
        "packaging": {
          "pack_width": 123,
          "pack_height": 123,
          "pack_length": 123,
          "pack_dry_weight": 123,
          "units_per_pack": 123,
          "vertical_rotation": true,
          "shipper_width": 123,
          "shipper_height": 123,
          "shipper_length": 123,
          "shipper_dry_weight": 123,
          "units_per_shipper": 123
        },
        "sales_channels": [
          {
            "id": "<string>",
            "name": "<string>",
            "kind": "storefront",
            "active": true
          }
        ],
        "related_products": {
          "upsell": [
            {
              "id": "<string>",
              "product_id": "<string>",
              "product_name": "<string>",
              "product_type": "physical",
              "status": "draft",
              "tags": [
                "<string>"
              ],
              "reviews_rating_sum": 123,
              "reviews_count": 123,
              "hsn_code": "<string>",
              "variant_id": "<string>",
              "variant_name": "<string>",
              "slug": "<string>",
              "sku": "<string>",
              "associated_options": [
                {
                  "attribute_id": "<string>",
                  "attribute_value": "<string>",
                  "attribute_name": "<string>",
                  "attribute_type": "single-select",
                  "key": "<string>"
                }
              ],
              "active": true,
              "stock_available": true,
              "images": [
                {
                  "title": "<string>",
                  "alternate_text": "<string>",
                  "sort_order": 123,
                  "url_tiny": "<string>",
                  "url_thumbnail": "<string>",
                  "url_standard": "<string>",
                  "url_zoom": "<string>",
                  "file_id": "<string>",
                  "file_type": "image"
                }
              ],
              "pricing": [
                {
                  "customer_group_id": "<string>",
                  "cost_price": 123,
                  "listing_price": 123,
                  "selling_price": 123,
                  "tax_rate": 123,
                  "min_order_quantity": 1,
                  "max_order_quantity": 123,
                  "incremental_quantity": 1,
                  "tax_type": "GST"
                }
              ]
            }
          ],
          "cross_sell": [
            {
              "id": "<string>",
              "product_id": "<string>",
              "product_name": "<string>",
              "product_type": "physical",
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}