curl --request POST \
  --url http://localhost:3000/api/backup/preview \
  --header 'Content-Type: application/json' \
  --header 'Origin: <api-key>' \
  --data '
{
  "version": 1,
  "exportedAt": 123,
  "apps": [
    {
      "id": 324684580,
      "name": "Spotify - Music and Podcasts",
      "url": "https://apps.apple.com/us/app/spotify-music-and-podcasts/id324684580",
      "changeCount": 2,
      "bundleId": "com.spotify.client",
      "developer": "Spotify Ltd.",
      "privacyPolicyUrl": "<string>",
      "firstSeen": 123
    }
  ]
}
'

import requests

url = "http://localhost:3000/api/backup/preview"

payload = {
    "version": 1,
    "exportedAt": 123,
    "apps": [
        {
            "id": 324684580,
            "name": "Spotify - Music and Podcasts",
            "url": "https://apps.apple.com/us/app/spotify-music-and-podcasts/id324684580",
            "changeCount": 2,
            "bundleId": "com.spotify.client",
            "developer": "Spotify Ltd.",
            "privacyPolicyUrl": "<string>",
            "firstSeen": 123
        }
    ]
}
headers = {
    "Origin": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Origin: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    version: 1,
    exportedAt: 123,
    apps: [
      {
        id: 324684580,
        name: 'Spotify - Music and Podcasts',
        url: 'https://apps.apple.com/us/app/spotify-music-and-podcasts/id324684580',
        changeCount: 2,
        bundleId: 'com.spotify.client',
        developer: 'Spotify Ltd.',
        privacyPolicyUrl: '<string>',
        firstSeen: 123
      }
    ]
  })
};

fetch('http://localhost:3000/api/backup/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_PORT => "3000",
  CURLOPT_URL => "http://localhost:3000/api/backup/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([
    'version' => 1,
    'exportedAt' => 123,
    'apps' => [
        [
                'id' => 324684580,
                'name' => 'Spotify - Music and Podcasts',
                'url' => 'https://apps.apple.com/us/app/spotify-music-and-podcasts/id324684580',
                'changeCount' => 2,
                'bundleId' => 'com.spotify.client',
                'developer' => 'Spotify Ltd.',
                'privacyPolicyUrl' => '<string>',
                'firstSeen' => 123
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "Origin: <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 := "http://localhost:3000/api/backup/preview"

	payload := strings.NewReader("{\n  \"version\": 1,\n  \"exportedAt\": 123,\n  \"apps\": [\n    {\n      \"id\": 324684580,\n      \"name\": \"Spotify - Music and Podcasts\",\n      \"url\": \"https://apps.apple.com/us/app/spotify-music-and-podcasts/id324684580\",\n      \"changeCount\": 2,\n      \"bundleId\": \"com.spotify.client\",\n      \"developer\": \"Spotify Ltd.\",\n      \"privacyPolicyUrl\": \"<string>\",\n      \"firstSeen\": 123\n    }\n  ]\n}")

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

	req.Header.Add("Origin", "<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("http://localhost:3000/api/backup/preview")
  .header("Origin", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"version\": 1,\n  \"exportedAt\": 123,\n  \"apps\": [\n    {\n      \"id\": 324684580,\n      \"name\": \"Spotify - Music and Podcasts\",\n      \"url\": \"https://apps.apple.com/us/app/spotify-music-and-podcasts/id324684580\",\n      \"changeCount\": 2,\n      \"bundleId\": \"com.spotify.client\",\n      \"developer\": \"Spotify Ltd.\",\n      \"privacyPolicyUrl\": \"<string>\",\n      \"firstSeen\": 123\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:3000/api/backup/preview")

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

request = Net::HTTP::Post.new(url)
request["Origin"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"version\": 1,\n  \"exportedAt\": 123,\n  \"apps\": [\n    {\n      \"id\": 324684580,\n      \"name\": \"Spotify - Music and Podcasts\",\n      \"url\": \"https://apps.apple.com/us/app/spotify-music-and-podcasts/id324684580\",\n      \"changeCount\": 2,\n      \"bundleId\": \"com.spotify.client\",\n      \"developer\": \"Spotify Ltd.\",\n      \"privacyPolicyUrl\": \"<string>\",\n      \"firstSeen\": 123\n    }\n  ]\n}"

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

{
  "appCount": 123,
  "snapshotCount": 123,
  "annotationCount": 123,
  "bundleVersion": "<string>"
}