Call external Rest API from thingworx application

Hi,

I need to call a REST API from my thingworx application. To achieve that, i try to use the ContentLoaderFunctions resources.

1- Is it the right way ?

2- If yes, i try to call a test Rest API, but it doens't work:

var result = Resources["ContentLoaderFunctions"].GetJSON({
	url: "https://jsonplaceholder.typicode.com/todos/1" /* STRING */,
	timeout: 30000 /* NUMBER */,
 headers:undefined,
	ignoreSSLErrors: false /* BOOLEAN */,
	useProxy: false /* BOOLEAN */,
	proxyHost: undefined /* STRING */,
	proxyPort: undefined /* INTEGER */,
	proxyScheme: undefined /* STRING */
});

or

var result = Resources["ContentLoaderFunctions"].GetJSON({
	url: "https://jsonplaceholder.typicode.com/todos/1" /* STRING */,
	timeout: 30000 /* NUMBER */,
 headers: {'Host': 'jsonplaceholder.typicode.com', 'Accept':'application/json', 'Content-Type':'application/json'},
	ignoreSSLErrors: false /* BOOLEAN */,
	useProxy: false /* BOOLEAN */,
	proxyHost: undefined /* STRING */,
	proxyPort: undefined /* INTEGER */,
	proxyScheme: undefined /* STRING */
});

In both cas, i receive

" Error executing service testRTestApiCall. Message :: Received fatal alert: handshake_failure"

Any idea ?

Thanks for your help.