curl --request GET \
  --url https://api.octolane.com/v1/contacts \
  --header 'x-api-key: <api-key>'

import requests

url = "https://api.octolane.com/v1/contacts"

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://api.octolane.com/v1/contacts', 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.octolane.com/v1/contacts",
  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://api.octolane.com/v1/contacts"

	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://api.octolane.com/v1/contacts")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.octolane.com/v1/contacts")

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

{
  "success": true,
  "message": "<string>",
  "data": {
    "custom_field_definitions": {
      "last_action_date": {
        "current_name": "Last Action Date",
        "property_name": "custom__last_action_date",
        "attribute_type": "date",
        "metadata": null
      },
      "kola": {
        "current_name": "Kola",
        "property_name": "custom__kola",
        "attribute_type": "multi_select",
        "metadata": {
          "options": [
            {
              "label": "E",
              "value": "e-532837",
              "color": "indigo"
            }
          ]
        }
      }
    },
    "has_more": true,
    "next_cursor": "<string>",
    "limit": 123,
    "contacts": [
      {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "first_name": "<string>",
        "last_name": "<string>",
        "email": "jsmith@example.com",
        "custom_fields": {}
      }
    ]
  }
}

{
  "success": false,
  "message": "Validation failed",
  "statusCode": 400
}

{
  "success": false,
  "message": "Validation failed",
  "statusCode": 400
}

{
  "success": false,
  "message": "Validation failed",
  "statusCode": 400
}