curl --request PATCH \
  --url https://api.whop.com/api/v1/app_installations/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "external_id": "acme-store",
  "metadata": {
    "last_synced_at": "2026-10-16T21:00:00Z"
  }
}
'

import requests

url = "https://api.whop.com/api/v1/app_installations/{id}"

payload = {
    "external_id": "acme-store",
    "metadata": { "last_synced_at": "2026-10-16T21:00:00Z" }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({external_id: 'acme-store', metadata: {last_synced_at: '2026-10-16T21:00:00Z'}})
};

fetch('https://api.whop.com/api/v1/app_installations/{id}', 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.whop.com/api/v1/app_installations/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'external_id' => 'acme-store',
    'metadata' => [
        'last_synced_at' => '2026-10-16T21:00:00Z'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.whop.com/api/v1/app_installations/{id}"

	payload := strings.NewReader("{\n  \"external_id\": \"acme-store\",\n  \"metadata\": {\n    \"last_synced_at\": \"2026-10-16T21:00:00Z\"\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.patch("https://api.whop.com/api/v1/app_installations/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"external_id\": \"acme-store\",\n  \"metadata\": {\n    \"last_synced_at\": \"2026-10-16T21:00:00Z\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.whop.com/api/v1/app_installations/{id}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"external_id\": \"acme-store\",\n  \"metadata\": {\n    \"last_synced_at\": \"2026-10-16T21:00:00Z\"\n  }\n}"

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

{
  "account": {
    "id": "biz_xxxxxxxxxxxxxx",
    "title": "Acme Bookkeeping"
  },
  "app": {
    "developer": {
      "id": "biz_xxxxxxxxxxxxxx",
      "title": "Acme Bookkeeping"
    },
    "icon": {
      "url": "https://pub-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.r2.dev/custom-perk-icon.svg"
    },
    "id": "app_xxxxxxxxxxxxxx",
    "name": "Other App"
  },
  "created_at": "2026-01-01T12:00:00.000Z",
  "external_id": "acme-books",
  "id": "aag_xxxxxxxxxxxxxx",
  "metadata": {
    "last_synced_at": "2026-01-01T12:00:00.000Z",
    "quickbooks_realm_id": "9341452712"
  },
  "requesting_reauthorization": false,
  "updated_at": "2026-01-01T12:00:00.000Z"
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}