curl --request GET \
  --url https://api.amplemarket.com/contacts?ids[]={id} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.amplemarket.com/contacts"
params = {
    "ids[]": [{id}]
}

headers = {"Authorization": "Bearer <token>"}

response = requests.request("GET", url, headers=headers, params=params)

print(response.text)

const params = new URLSearchParams();
params.append('ids[]', '{id}');

const options = {
  method: 'GET',
  headers: { Authorization: 'Bearer <token>' }
};

fetch(`https://api.amplemarket.com/contacts?${params.toString()}`, options)
  .then(response => response.json())
  .then(response => console.log(response))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.amplemarket.com/contacts?ids[]={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 => [
    "Authorization: Bearer <token>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.amplemarket.com/contacts?ids[]={id}"

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

	req.Header.Add("Authorization", "Bearer <token>")

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

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

	fmt.Println(res)
	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.amplemarket.com/contacts?ids[]={id}")
  .header("Authorization", "Bearer <token>")
  .asString();