curl --request POST \
  --url https://api.opencals.com/storefront/cart/checkout/save-answers \
  --header 'Content-Type: application/json' \
  --header 'X-Cart-Id: <x-cart-id>' \
  --data '
{
  "answers": [
    {
      "questionId": "123e4567-e89b-12d3-a456-426614174000",
      "question": "Do you have any allergies?",
      "answer": "No allergies",
      "fileIds": [
        "<string>"
      ]
    }
  ]
}
'

import requests

url = "https://api.opencals.com/storefront/cart/checkout/save-answers"

payload = { "answers": [
        {
            "questionId": "123e4567-e89b-12d3-a456-426614174000",
            "question": "Do you have any allergies?",
            "answer": "No allergies",
            "fileIds": ["<string>"]
        }
    ] }
headers = {
    "X-Cart-Id": "<x-cart-id>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-Cart-Id': '<x-cart-id>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    answers: [
      {
        questionId: '123e4567-e89b-12d3-a456-426614174000',
        question: 'Do you have any allergies?',
        answer: 'No allergies',
        fileIds: ['<string>']
      }
    ]
  })
};

fetch('https://api.opencals.com/storefront/cart/checkout/save-answers', 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.opencals.com/storefront/cart/checkout/save-answers",
  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([
    'answers' => [
        [
                'questionId' => '123e4567-e89b-12d3-a456-426614174000',
                'question' => 'Do you have any allergies?',
                'answer' => 'No allergies',
                'fileIds' => [
                                '<string>'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Cart-Id: <x-cart-id>"
  ],
]);

$response = curl_exec($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.opencals.com/storefront/cart/checkout/save-answers"

	payload := strings.NewReader("{\n  \"answers\": [\n    {\n      \"questionId\": \"123e4567-e89b-12d3-a456-426614174000\",\n      \"question\": \"Do you have any allergies?\",\n      \"answer\": \"No allergies\",\n      \"fileIds\": [\n        \"<string>\"\n      ]\n    }\n  ]\n}")

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

	req.Header.Add("X-Cart-Id", "<x-cart-id>")
	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.opencals.com/storefront/cart/checkout/save-answers")
  .header("X-Cart-Id", "<x-cart-id>")
  .header("Content-Type", "application/json")
  .body("{\n  \"answers\": [\n    {\n      \"questionId\": \"123e4567-e89b-12d3-a456-426614174000\",\n      \"question\": \"Do you have any allergies?\",\n      \"answer\": \"No allergies\",\n      \"fileIds\": [\n        \"<string>\"\n      ]\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.opencals.com/storefront/cart/checkout/save-answers")

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

request = Net::HTTP::Post.new(url)
request["X-Cart-Id"] = '<x-cart-id>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"answers\": [\n    {\n      \"questionId\": \"123e4567-e89b-12d3-a456-426614174000\",\n      \"question\": \"Do you have any allergies?\",\n      \"answer\": \"No allergies\",\n      \"fileIds\": [\n        \"<string>\"\n      ]\n    }\n  ]\n}"

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