PHP中的请求错误中未检测到会话令牌（JWT）或API密钥

I am using the curl for get the JSON data from DreamFactory url. But I a getting the error.

No session token (JWT) or API Key detected in request. Please send in X-DreamFactory-Session-Token and/or X-Dreamfactory-API-Key request header. You can also use URL query parameters session_token and/or api_key.

My php code

<?php
header("X-DreamFactory-API-Key:TestKey"); 

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://dev.spotya.online:82/api/v2/user/register/");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,"email=ramalingam.p@pickzy.com&first_name=Ramalingam&last_name=Perumal&display_name=Ramalingam&new_password=123456&phone=1234567890");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$server_output = curl_exec ($ch);
curl_close ($ch);

print_r($server_output);
?>

Please advice!

Use it like this. There is no need to initiate headers at your end, You have to send header which contains your API-Key

By adding these few lines in your code

$headers=array(
            "X-DreamFactory-API-Key: TestKey" //your api-key
        );
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);// adding headers with curl-request

Complete PHP code:

<?php
$headers=array(
            "X-DreamFactory-API-Key: TestKey" 
        ); 

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://dev.spotya.online:82/api/v2/user/register/");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,"email=ramalingam.p@pickzy.com&first_name=Ramalingam&last_name=Perumal&display_name=Ramalingam&new_password=123456&phone=1234567890");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$server_output = curl_exec ($ch);
curl_close ($ch);

print_r($server_output);
?>