curl --request POST \
  --url https://api.collectpure.com/execution/v2/buy/quotes/{quoteId}/promotion-preview \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "promotionCode": "<string>",
  "paymentMethod": "<string>",
  "selectedOptionalIds": [
    "<string>"
  ]
}
'

import requests

url = "https://api.collectpure.com/execution/v2/buy/quotes/{quoteId}/promotion-preview"

payload = {
    "promotionCode": "<string>",
    "paymentMethod": "<string>",
    "selectedOptionalIds": ["<string>"]
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    promotionCode: '<string>',
    paymentMethod: '<string>',
    selectedOptionalIds: ['<string>']
  })
};

fetch('https://api.collectpure.com/execution/v2/buy/quotes/{quoteId}/promotion-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.collectpure.com/execution/v2/buy/quotes/{quoteId}/promotion-preview",
  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([
    'promotionCode' => '<string>',
    'paymentMethod' => '<string>',
    'selectedOptionalIds' => [
        '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-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://api.collectpure.com/execution/v2/buy/quotes/{quoteId}/promotion-preview"

	payload := strings.NewReader("{\n  \"promotionCode\": \"<string>\",\n  \"paymentMethod\": \"<string>\",\n  \"selectedOptionalIds\": [\n    \"<string>\"\n  ]\n}")

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

	req.Header.Add("x-api-key", "<api-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://api.collectpure.com/execution/v2/buy/quotes/{quoteId}/promotion-preview")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"promotionCode\": \"<string>\",\n  \"paymentMethod\": \"<string>\",\n  \"selectedOptionalIds\": [\n    \"<string>\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.collectpure.com/execution/v2/buy/quotes/{quoteId}/promotion-preview")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"promotionCode\": \"<string>\",\n  \"paymentMethod\": \"<string>\",\n  \"selectedOptionalIds\": [\n    \"<string>\"\n  ]\n}"

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

{
  "success": true,
  "data": {
    "status": "applied",
    "appliedCode": "<string>",
    "totalDiscount": 123,
    "appliedPromotions": [
      {
        "promotionId": "<string>",
        "promotionType": "<string>",
        "label": "<string>",
        "discountAmount": 123,
        "params": {},
        "sourceCode": "<string>",
        "sourceCodeId": "<string>",
        "sourceGrantId": "<string>"
      }
    ],
    "quote": {
      "quoteId": "<string>",
      "expiresAt": "<string>",
      "refreshedAt": "<string>",
      "fees": [
        {
          "id": "<string>",
          "label": "<string>",
          "amount": 123,
          "rate": 123
        }
      ],
      "optionals": [
        {
          "id": "<string>",
          "title": "<string>",
          "description": "<string>",
          "fee": 123,
          "selected": true,
          "enabled": true,
          "disabledReason": "<string>",
          "disclaimer": {
            "label": "<string>",
            "url": "<string>"
          }
        }
      ],
      "subtotal": 123,
      "total": 123,
      "currency": "<string>",
      "lineItems": [
        {
          "id": "<string>",
          "quantity": 123,
          "price": 123,
          "status": "<string>",
          "disabled": true,
          "error": "<string>",
          "product": {
            "sku": "<string>",
            "title": "<string>"
          },
          "variant": {
            "title": "<string>"
          }
        }
      ],
      "salesTax": 123,
      "availableCount": 123,
      "unavailableCount": 123
    }
  }
}