<?php

// Initialize cURL

$ch = curl_init();

$url = 'https://api.signable.co.uk/v1/contacts?offset=0&limit=10';

// Set URL on which you want to post the Form and/or data

curl_setopt($ch, CURLOPT_URL, $url);

// Data+Files to be posted

//$post_data = array();

//curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

curl_setopt($ch, CURLOPT_USERPWD, 'abc123enterapikey:x');

// Pass TRUE or 1 if you want to wait for and catch the response against the request made

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

// For Debug mode; shows up any error encountered during the operation

curl_setopt($ch, CURLOPT_VERBOSE, 1);

// Execute the request

$response = curl_exec($ch);

echo ($response);