Magento 2 Rest API: create / update order,customer information

Create New Customer

 $userData = array("username" => "admin", "password" => "admin123"); $ch = curl_init("http://magento213/index.php/rest/V1/integration/admin/token"); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($userData)); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json", "Content-Lenght: " . strlen(json_encode($userData)))); $token = curl_exec($ch); $customerData = [ 'customer' => [ "email" => "[email protected]", "firstname" => "John", "lastname" => "Doe", "storeId" => 1, "websiteId" => 1 ], "password" => "Demo1234" ]; $ch = curl_init("http://magento213/index.php/rest/V1/customers"); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($customerData)); curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json", "Authorization: Bearer " . json_decode($token))); $result = curl_exec($ch); $result = json_decode($result, 1); echo '<pre>';print_r($result); 

For Update Customer

$customerData = [ 'customer' => [ 'id' => 10, "email" => "[email protected]", "firstname" => "John2", "lastname" => "Doe2", "storeId" => 1, "websiteId" => 1 ], "password" => "Demo1234" ]; $ch = curl_init("http://magento213/index.php/rest/V1/customers/10"); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($customerData)); curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json", "Authorization: Bearer " . json_decode($token))); $result = curl_exec($ch); $result = json_decode($result, 1); echo '<pre>';print_r($result); 

API LIST Create a customer account

You can find examples and detailed informations in the official documentation: http://devdocs.magento.com/swagger/index_20.html#/

For customer creation go to the customerCustomerRepositoryV1 entry and choose the PUT entries for customer creation