curl --request GET \
  --url https://api.example.com/users/collection/{userIDs}

import requests

url = "https://api.example.com/users/collection/{userIDs}"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://api.example.com/users/collection/{userIDs}', 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.example.com/users/collection/{userIDs}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.example.com/users/collection/{userIDs}"

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

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.example.com/users/collection/{userIDs}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/users/collection/{userIDs}")

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

request = Net::HTTP::Get.new(url)

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

{
  "users": [
    {
      "content_type": "user",
      "id": 1,
      "reference": "USR-123",
      "name": "John Doe",
      "first_name": "John",
      "last_name": "Doe",
      "title": "Manager",
      "active": true,
      "meta_field_0": "<string>",
      "meta_field_1": "<string>",
      "meta_field_2": "<string>",
      "meta_field_3": "<string>",
      "meta_field_4": "<string>",
      "permissions": {},
      "avatar": {},
      "unit": {},
      "physicalUnit": {},
      "department": {},
      "userTypes": [
        {}
      ],
      "memberGroups": [
        {}
      ],
      "memberUnits": [
        {}
      ],
      "specialties": [
        {}
      ],
      "twoFactor": {},
      "provider": [
        "<string>"
      ],
      "all_integrations": [
        {}
      ],
      "devices": [
        {}
      ],
      "participant_type": "<string>",
      "url": "api/users/1"
    }
  ]
}