curl --request POST \
  --url https://app.specurate.com/api/v1/workspaces/{workspaceId}/projects/{projectId}/items/{projectItemId}/core-changes/create-as-alternative \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "name": "<string>",
  "projectItemVersion": 4503599627370496,
  "intendedChanges": [
    {
      "columnId": "<string>",
      "value": "<unknown>"
    }
  ],
  "sku": "<string>",
  "autoGenerateSku": false
}
'

import requests

url = "https://app.specurate.com/api/v1/workspaces/{workspaceId}/projects/{projectId}/items/{projectItemId}/core-changes/create-as-alternative"

payload = {
    "name": "<string>",
    "projectItemVersion": 4503599627370496,
    "intendedChanges": [
        {
            "columnId": "<string>",
            "value": "<unknown>"
        }
    ],
    "sku": "<string>",
    "autoGenerateSku": False
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Idempotency-Key': '<idempotency-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    projectItemVersion: 4503599627370496,
    intendedChanges: [{columnId: '<string>', value: '<unknown>'}],
    sku: '<string>',
    autoGenerateSku: false
  })
};

fetch('https://app.specurate.com/api/v1/workspaces/{workspaceId}/projects/{projectId}/items/{projectItemId}/core-changes/create-as-alternative', 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://app.specurate.com/api/v1/workspaces/{workspaceId}/projects/{projectId}/items/{projectItemId}/core-changes/create-as-alternative",
  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>',
    'projectItemVersion' => 4503599627370496,
    'intendedChanges' => [
        [
                'columnId' => '<string>',
                'value' => '<unknown>'
        ]
    ],
    'sku' => '<string>',
    'autoGenerateSku' => false
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-key>"
  ],
]);

$response = curl_exec($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://app.specurate.com/api/v1/workspaces/{workspaceId}/projects/{projectId}/items/{projectItemId}/core-changes/create-as-alternative"

	payload := strings.NewReader("{\n  \"name\": \"<string>\",\n  \"projectItemVersion\": 4503599627370496,\n  \"intendedChanges\": [\n    {\n      \"columnId\": \"<string>\",\n      \"value\": \"<unknown>\"\n    }\n  ],\n  \"sku\": \"<string>\",\n  \"autoGenerateSku\": false\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	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://app.specurate.com/api/v1/workspaces/{workspaceId}/projects/{projectId}/items/{projectItemId}/core-changes/create-as-alternative")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"<string>\",\n  \"projectItemVersion\": 4503599627370496,\n  \"intendedChanges\": [\n    {\n      \"columnId\": \"<string>\",\n      \"value\": \"<unknown>\"\n    }\n  ],\n  \"sku\": \"<string>\",\n  \"autoGenerateSku\": false\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.specurate.com/api/v1/workspaces/{workspaceId}/projects/{projectId}/items/{projectItemId}/core-changes/create-as-alternative")

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

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"<string>\",\n  \"projectItemVersion\": 4503599627370496,\n  \"intendedChanges\": [\n    {\n      \"columnId\": \"<string>\",\n      \"value\": \"<unknown>\"\n    }\n  ],\n  \"sku\": \"<string>\",\n  \"autoGenerateSku\": false\n}"

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

{
  "sourceCatalogFamilyId": "<string>",
  "catalogFamily": {
    "status": "draft",
    "id": "<string>",
    "name": "<string>",
    "version": 123,
    "primaryCatalogItemId": "<string>",
    "primaryCatalogItemVersion": 123,
    "sku": "<string>"
  },
  "projectItem": {
    "id": "<string>",
    "projectId": "<string>",
    "projectItemSlotId": "<string>",
    "name": "<string>",
    "catalogFamilyId": "<string>",
    "catalogItemId": "<string>",
    "materialFinish": {
      "id": "<string>",
      "name": "<string>",
      "isBaseMaterial": true
    },
    "columnsAttributes": {},
    "sourceMeta": {
      "url": "<string>",
      "selectors": {},
      "title": "<string>",
      "favicon": "<string>",
      "ogImage": "<string>",
      "clippedAt": "<string>"
    },
    "instructionLinks": [
      {
        "assigneeRoleGroupIds": [
          "mfg_vendors"
        ],
        "id": "<string>",
        "text": "<string>",
        "position": 123
      }
    ],
    "isPrimary": true,
    "catalogConnectionMode": "live",
    "savedAt": "2023-11-07T05:31:56Z",
    "selectedSource": {
      "isDefault": true,
      "companyName": {},
      "officeName": {}
    },
    "collectionApplication": {
      "collection": {
        "id": "<string>",
        "name": "<string>",
        "brand": "<string>",
        "region": "<string>",
        "generation": 123,
        "version": 123,
        "navigable": true
      },
      "entry": {
        "id": "<string>",
        "label": "<string>",
        "productTypeLabel": "<string>"
      },
      "reference": {
        "label": "<string>",
        "kind": "catalog_item",
        "referenceCode": "<string>"
      },
      "application": {
        "id": "<string>",
        "createdAt": "<string>"
      },
      "content": {
        "description": "<string>",
        "notes": [
          "<string>"
        ]
      },
      "governance": {
        "mandatoryItem": true,
        "designReviewRequired": true,
        "optionalManufacturerNames": [
          "<string>"
        ]
      }
    },
    "categoryId": "<string>",
    "productTypeId": "<string>",
    "kind": "option",
    "catalogFamilyStatus": "draft",
    "catalogFamilyItemType": "default",
    "catalogDecisionEventIds": [
      "<string>"
    ],
    "brandStandardId": "<string>",
    "refNumber": "<string>",
    "affectedParentPiIds": [
      "<string>"
    ],
    "version": 123,
    "createdAt": "<string>",
    "updatedAt": "<string>",
    "slotColumnsAttributes": {},
    "coreChangePolicy": {},
    "catalogFamilySourceId": "<string>",
    "syncStateCache": {
      "hasDiff": true,
      "columnsDiff": true,
      "partsDiff": {
        "hasDiff": true,
        "addedLocally": [
          "<string>"
        ],
        "removedLocally": [
          "<string>"
        ],
        "quantityChanged": [
          {
            "catalogItemId": "<string>",
            "projectQty": "<string>",
            "catalogQty": "<string>"
          }
        ]
      },
      "selectionDiff": {
        "familySourceMismatch": true,
        "itemSourceMismatch": true
      },
      "orphanedRefs": {
        "family": true,
        "item": true,
        "familySource": true,
        "itemSource": true
      },
      "computedAt": "<string>",
      "componentsDiverged": true
    },
    "affectedCatalogFamilyId": "<string>"
  }
}