curl --request GET \
  --url https://api.hubapi.com/commerce/contracts/2027-03-beta/contracts/{contractId}/renewal-preview

import requests

url = "https://api.hubapi.com/commerce/contracts/2027-03-beta/contracts/{contractId}/renewal-preview"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://api.hubapi.com/commerce/contracts/2027-03-beta/contracts/{contractId}/renewal-preview', 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://api.hubapi.com/commerce/contracts/2027-03-beta/contracts/{contractId}/renewal-preview",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.hubapi.com/commerce/contracts/2027-03-beta/contracts/{contractId}/renewal-preview"

	req, _ := http.NewRequest("GET", url, nil)

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.hubapi.com/commerce/contracts/2027-03-beta/contracts/{contractId}/renewal-preview")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hubapi.com/commerce/contracts/2027-03-beta/contracts/{contractId}/renewal-preview")

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

request = Net::HTTP::Get.new(url)

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

{
  "lineItems": [
    {
      "id": "<string>",
      "name": "<string>",
      "pricing": {
        "prices": [
          {
            "currencyCode": "<string>",
            "price": 123,
            "maxQuantity": 123
          }
        ],
        "pricingModel": "FLAT"
      },
      "quantity": 123,
      "acv": 123,
      "allowBuyerSelectedQuantity": true,
      "amount": 123,
      "archived": true,
      "archivedAt": "2023-11-07T05:31:56Z",
      "arr": 123,
      "billingCycleAnchorDate": "2023-12-25",
      "billingPeriodEndDate": "2023-12-25",
      "billingPeriodStartDate": "2023-12-25",
      "billingStartDelayDays": 123,
      "billingStartDelayMonths": 123,
      "billingStartDelayType": "HS_BILLING_START_DELAY_DAYS",
      "buyerSelectedQuantityMax": 123,
      "buyerSelectedQuantityMin": 123,
      "createdAt": "2023-11-07T05:31:56Z",
      "description": "<string>",
      "discount": 123,
      "discountPercentage": 123,
      "effectiveUnitPrice": 123,
      "externalId": "<string>",
      "images": "<string>",
      "isEditablePrice": true,
      "isOptional": true,
      "isParent": true,
      "lineItemCurrencyCode": "<string>",
      "mrr": 123,
      "parentLineItemId": "<string>",
      "positionOnQuote": 123,
      "postTaxAmount": 123,
      "preDiscountAmount": 123,
      "price": 123,
      "priceBookId": "<string>",
      "pricingModel": "FLAT",
      "productId": "<string>",
      "productType": "<string>",
      "rampKey": "<string>",
      "recurringBillingDayOfMonth": 123,
      "recurringBillingEndDate": "2023-12-25",
      "recurringBillingFrequency": "ANNUALLY",
      "recurringBillingNumberOfPayments": 123,
      "recurringBillingPeriod": "<string>",
      "recurringBillingStartDate": "2023-12-25",
      "recurringBillingTerms": "AUTOMATICALLY_RENEW",
      "richTextDescription": "<string>",
      "sku": "<string>",
      "tax": 123,
      "taxAmount": 123,
      "taxCategory": "<string>",
      "taxRateGroupId": "<string>",
      "tcv": 123,
      "termInMonths": 123,
      "tierAmount": 123,
      "totalDiscount": 123,
      "updatedAt": "2023-11-07T05:31:56Z",
      "variantId": "<string>"
    }
  ]
}

{
  "message": "Invalid input (details will vary based on the error)",
  "correlationId": "aeb5f871-7f07-4993-9211-075dc63e7cbf",
  "category": "VALIDATION_ERROR",
  "links": {
    "knowledge-base": "https://www.hubspot.com/products/service/knowledge-base"
  }
}