curl --request GET \
  --url https://client-api.salesfinity.co/v1/contact-lists/csv/{id} \
  --header 'x-api-key: <api-key>'

import requests

url = "https://client-api.salesfinity.co/v1/contact-lists/csv/{id}"

headers = {"x-api-key": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {'x-api-key': '<api-key>'}};

fetch('https://client-api.salesfinity.co/v1/contact-lists/csv/{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://client-api.salesfinity.co/v1/contact-lists/csv/{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-api-key: <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"
	"net/http"
	"io"
)

func main() {

	url := "https://client-api.salesfinity.co/v1/contact-lists/csv/{id}"

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

	req.Header.Add("x-api-key", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://client-api.salesfinity.co/v1/contact-lists/csv/{id}")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://client-api.salesfinity.co/v1/contact-lists/csv/{id}")

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

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

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

{
  "data": {
    "_id": "<string>",
    "name": "<string>",
    "user": "<string>",
    "contacts": [
      {
        "_id": "<string>",
        "first_name": "<string>",
        "last_name": "<string>",
        "email": "<string>",
        "company": "<string>",
        "title": "<string>",
        "phone_numbers": [
          {
            "number": "<string>",
            "country_code": "<string>",
            "extension": "<string>"
          }
        ],
        "linkedin": "<string>",
        "website": "<string>",
        "notes": "<string>",
        "account": "<string>",
        "priority": 123,
        "timezone": "<string>",
        "custom_fields": [
          {
            "label": "<string>",
            "value": "<unknown>"
          }
        ]
      }
    ]
  },
  "pagination": {
    "total": 123,
    "page": 123,
    "next": 123
  }
}