curl --request GET \
  --url https://api.kit.com/v4/apps/{id} \
  --header 'X-Kit-Api-Key: <api-key>'

require 'uri'
require 'net/http'

url = URI("https://api.kit.com/v4/apps/{id}")

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

request = Net::HTTP::Get.new(url)
request["X-Kit-Api-Key"] = '<api-key>'

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

const options = {method: 'GET', headers: {'X-Kit-Api-Key': '<api-key>'}};

fetch('https://api.kit.com/v4/apps/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

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

func main() {

	url := "https://api.kit.com/v4/apps/{id}"

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

	req.Header.Add("X-Kit-Api-Key", "<api-key>")

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

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

	fmt.Println(string(body))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.kit.com/v4/apps/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-Kit-Api-Key: <api-key>"
  ],
]);

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

curl_close($curl);

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

import requests

url = "https://api.kit.com/v4/apps/{id}"

headers = {"X-Kit-Api-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "app": {
    "id": 1245,
    "name": "Calendar Sync",
    "summary": "Let subscribers book a call from your emails",
    "icon_url": "https://embed.filekit.com/e/calendar-sync-icon",
    "categories": [
      "scheduling"
    ],
    "pricing": "free",
    "plan_availability": "paid_plans",
    "installable": true,
    "upgrade_required": false,
    "access_types": [
      "api",
      "plugin"
    ],
    "published_at": "2026-03-04T09:12:00Z",
    "app_store_url": "https://app.kit.com/apps/1245",
    "owned": false,
    "status": "published",
    "description": "Calendar Sync adds a booking link to your emails and tags each subscriber who books a call.\n\nConnect your calendar once, then drop the booking block into any broadcast or sequence email.",
    "capabilities": {
      "api_access": true,
      "plugins": [
        {
          "kind": "content_blocks",
          "env": "content_blocks",
          "label": "Content Block"
        }
      ]
    },
    "links": {
      "knowledge_base_url": "https://calendarsync.example.com/help",
      "website_url": "https://calendarsync.example.com",
      "privacy_policy_url": "https://calendarsync.example.com/privacy",
      "support_url": "https://calendarsync.example.com/support"
    },
    "media_links": [
      "https://embed.filekit.com/e/calendar-sync-1",
      "https://embed.filekit.com/e/calendar-sync-2"
    ],
    "install_url": "https://app.kit.com/apps/1245/install"
  }
}

{
  "errors": [
    "The access token is invalid"
  ]
}

{
  "errors": [
    "Not Found"
  ]
}