How to add a Member and Transaction and Send a Welcome Email to the Member with MemberPress Developer Tools API

add-member-and-transaction-one-request-php-curl-memberpress.php

<?php
$url = 'http://testsite.w6.wpsandbox.pro/wp-json/mp/v1/members';

$ch = curl_init($url);

$data_string = json_encode(
  [
    'email'               => '[email protected]',
    'username'            => '[email protected]',
    'first_name'          => 'test',
    'last_name'           => 'test_last_name',
    'send_welcome_email'  => true,
    'transaction'         => [
      'membership'  => 376, // ID of the Membership
      'amount'      => '0.00',
      'total'       => '0.00',
      'tax_amount'  => '0.00',
      'tax_rate'    => '0.000',
      'trans_num'   => 'mp-txn-'.uniqid(),
      'status'      => 'complete',
      'gateway'     => 'free',
      'created_at'  => gmdate('c'),
      'expires_at'  => '0000-00-00 00:00:00'
    ]
  ]
);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt(
  $ch,
  CURLOPT_POSTFIELDS,
  $data_string
);

$header = array();
$header[] = 'MEMBERPRESS-API-KEY: MgCUGSO5Qg'; // Your API KEY from MemberPress Developer Tools Here
$header[] = 'Content-Type: application/json';
$header[] = 'Content-Length: ' . strlen($data_string);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);

$response = curl_exec($ch);

if(curl_errno($ch)){
  throw new Exception(curl_error($ch));
}

echo $response;

curl_close($ch);