Update line item quantities for a classic Build-a-Box subscription

curl --request PUT \
  --url https://www.myshop.com/apps/subscriptions/cp/api/update-classic-bab-subscription/{contractId} \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "lineId": "<string>",
    "productId": 123,
    "quantity": 123,
    "variantId": 123
  }
]
'

import requests

url = "https://www.myshop.com/apps/subscriptions/cp/api/update-classic-bab-subscription/{contractId}"

payload = [
    {
        "lineId": "<string>",
        "productId": 123,
        "quantity": 123,
        "variantId": 123
    }
]
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify([{lineId: '<string>', productId: 123, quantity: 123, variantId: 123}])
};

fetch('https://www.myshop.com/apps/subscriptions/cp/api/update-classic-bab-subscription/{contractId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

const url = 'https://www.myshop.com/apps/subscriptions/cp/api/update-classic-bab-subscription/{contractId}';
const options = {
  method: 'PUT',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify([{lineId: '<string>', productId: 123, quantity: 123, variantId: 123}])
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://www.myshop.com/apps/subscriptions/cp/api/update-classic-bab-subscription/{contractId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    [
        'lineId' => '<string>',
        'productId' => 123,
        'quantity' => 123,
        'variantId' => 123
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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://www.myshop.com/apps/subscriptions/cp/api/update-classic-bab-subscription/{contractId}"

	payload := strings.NewReader("[\n  {\n    \"lineId\": \"<string>\",\n    \"productId\": 123,\n    \"quantity\": 123,\n    \"variantId\": 123\n  }\n]")

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

	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))

}

require 'uri'
require 'net/http'

url = URI("https://www.myshop.com/apps/subscriptions/cp/api/update-classic-bab-subscription/{contractId}")

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

request = Net::HTTP::Put.new(url)
request["Content-Type"] = 'application/json'
request.body = "[\n  {\n    \"lineId\": \"<string>\",\n    \"productId\": 123,\n    \"quantity\": 123,\n    \"variantId\": 123\n  }\n]"

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

{
  "billingAttempts": {
    "get__typename": "<string>",
    "nodes": [
      {
        "completedAt": {},
        "createdAt": {},
        "get__typename": "<string>",
        "id": "<string>",
        "idempotencyKey": "<string>",
        "ready": true
      }
    ]
  },
  "billingPolicy": {
    "anchors": [
      {
        "cutoffDay": 123,
        "day": 123,
        "get__typename": "<string>",
        "month": 123
      }
    ],
    "get__typename": "<string>",
    "intervalCount": 123,
    "maxCycles": 123,
    "minCycles": 123
  },
  "createdAt": {},
  "customAttributes": [
    {
      "get__typename": "<string>",
      "key": "<string>",
      "value": "<string>"
    }
  ],
  "customer": {
    "displayName": "<string>",
    "email": "<string>",
    "firstName": "<string>",
    "get__typename": "<string>",
    "id": "<string>",
    "lastName": "<string>",
    "phone": "<string>"
  },
  "customerPaymentMethod": {
    "get__typename": "<string>",
    "id": "<string>",
    "instrument": {
      "get__typename": "<string>"
    },
    "revokedAt": {}
  },
  "deliveryMethod": {
    "get__typename": "<string>"
  },
  "deliveryPolicy": {
    "anchors": [
      {
        "cutoffDay": 123,
        "day": 123,
        "get__typename": "<string>",
        "month": 123
      }
    ],
    "get__typename": "<string>",
    "intervalCount": 123
  },
  "deliveryPrice": {
    "amount": {},
    "get__typename": "<string>"
  },
  "discounts": {
    "get__typename": "<string>",
    "nodes": [
      {
        "get__typename": "<string>",
        "id": "<string>",
        "recurringCycleLimit": 123,
        "title": "<string>",
        "usageCount": 123,
        "value": {
          "get__typename": "<string>"
        }
      }
    ],
    "pageInfo": {
      "endCursor": "<string>",
      "get__typename": "<string>",
      "hasNextPage": true,
      "hasPreviousPage": true,
      "startCursor": "<string>"
    }
  },
  "get__typename": "<string>",
  "id": "<string>",
  "lines": {
    "get__typename": "<string>",
    "nodes": [
      {
        "currentPrice": {
          "amount": {},
          "get__typename": "<string>"
        },
        "customAttributes": [
          {
            "get__typename": "<string>",
            "key": "<string>",
            "value": "<string>"
          }
        ],
        "discountAllocations": [
          {
            "amount": {
              "amount": {},
              "get__typename": "<string>"
            },
            "discount": {
              "get__typename": "<string>"
            },
            "get__typename": "<string>"
          }
        ],
        "get__typename": "<string>",
        "id": "<string>",
        "lineDiscountedPrice": {
          "amount": {},
          "get__typename": "<string>"
        },
        "pricingPolicy": {
          "basePrice": {
            "amount": {},
            "get__typename": "<string>"
          },
          "cycleDiscounts": [
            {
              "adjustmentValue": {
                "get__typename": "<string>"
              },
              "afterCycle": 123,
              "computedPrice": {
                "amount": {},
                "get__typename": "<string>"
              },
              "get__typename": "<string>"
            }
          ],
          "get__typename": "<string>"
        },
        "productId": "<string>",
        "quantity": 123,
        "sellingPlanId": "<string>",
        "sellingPlanName": "<string>",
        "sku": "<string>",
        "taxable": true,
        "title": "<string>",
        "variantId": "<string>",
        "variantImage": {
          "get__typename": "<string>",
          "url": {}
        },
        "variantTitle": "<string>"
      }
    ],
    "pageInfo": {
      "endCursor": "<string>",
      "get__typename": "<string>",
      "hasNextPage": true,
      "hasPreviousPage": true,
      "startCursor": "<string>"
    }
  },
  "nextBillingDate": {},
  "note": "<string>",
  "originOrder": {
    "fulfillmentOrders": {
      "get__typename": "<string>",
      "nodes": [
        {
          "fulfillAt": {},
          "get__typename": "<string>",
          "id": "<string>"
        }
      ],
      "pageInfo": {
        "endCursor": "<string>",
        "get__typename": "<string>",
        "hasNextPage": true,
        "hasPreviousPage": true,
        "startCursor": "<string>"
      }
    },
    "get__typename": "<string>",
    "id": "<string>",
    "name": "<string>"
  },
  "updatedAt": {}
}