Create Access Token using Zoho Creator API V2 and add record using PHP. Youtube Tutorial at https://www.youtube.com/watch?v=UqSsP-wz-mE

PushToZohoCreator.php

<?php 
$client_id ='1000.GUPPSEH1013UZQA5SN8OAJV1DQU5FM';//Enter your Client ID here
$client_secret = '4932018fd429a4246e96d9186e77704d88d05b052a';//Enter your Client Secret here
$code = '1000.bf0e3723d718ac74660843a2128946b8.c6a7d9ce01ea879a22803f5f88bb0a6c';//Enter your Code here
$base_acc_url = 'https://accounts.zoho.com';
$service_url = 'https://creator.zoho.com';

$refresh_token = '1000.4f4b206a80c5e3e48c1cf3a55994a19c.c7c25dc7144da53c497b2d2ca834d1d0'; //Replce this with your Refresh token

$token_url = $base_acc_url . '/oauth/v2/token?grant_type=authorization_code&client_id='. $client_id . '&client_secret='. $client_secret . '&redirect_uri=http://localhost&code=' . $code;

//generate_refresh_token($token_url);

function generate_access_token($url){

  $ch = curl_init();
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_POST, 1);
  $result = curl_exec($ch);
  curl_close($ch);
  return json_decode($result)->access_token;
}

$access_token_url = $base_acc_url .  '/oauth/v2/token?refresh_token='.$refresh_token.'&client_id='.$client_id.'&client_secret='.$client_secret .'&grant_type=refresh_token';

$access_token = generate_access_token($access_token_url);
var_dump($access_token);
create_record($access_token);

function create_record($access_token){
  $service_url = $GLOBALS['service_url'] . '/api/v2/rubenaorborc/contact-php-v2/form/Contact';
  //Authorization: Zoho-oauthtoken access_token
  $data = array('data' => array('Name' => 'Ruben', 'Email' => 'zoho@aorborc.com') );
  $header = array(
    'Authorization: Zoho-oauthtoken ' . $access_token,
    'Content-Type: application/json'
  );

  $ch = curl_init();
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch, CURLOPT_URL, $service_url);
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
  curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
  $result = curl_exec($ch);
  curl_close($ch);
  var_dump($result);
}