ERROR ETIMEDOUT

ERROR ETIMEDOUT

Hello,

I'm trying to connect to Zoho Books API but it's failing everytime. It was working just fine just 2 hours ago. But when I tried again an hour ago, it doesn't connect.
I have to use the API urgently for last month's invoicing, so I have to find a solution asap !

I'm calling the API in a nodeJS script.
Here's the error:

 if (error) throw new Error(error);
               ^

Error: Error: connect ETIMEDOUT 136.143.190.83:443
    at Request._callback (/Users/wissem/Documents/Dev/test-zoho/zoho-books-api/controllers/zohobooksapi.js:139:22)
    at self.callback (/Users/wissem/Documents/Dev/test-zoho/zoho-books-api/node_modules/request/request.js:185:22)
    at Request.emit (events.js:311:20)
    at Request.onRequestError (/Users/wissem/Documents/Dev/test-zoho/zoho-books-api/node_modules/request/request.js:881:8)
    at ClientRequest.emit (events.js:311:20)
    at TLSSocket.socketErrorListener (_http_client.js:426:9)
    at TLSSocket.emit (events.js:311:20)
    at emitErrorNT (internal/streams/destroy.js:92:8)
    at emitErrorAndCloseNT (internal/streams/destroy.js:60:3)
    at processTicksAndRejections (internal/process/task_queues.js:84:21)

Please help !
Thank you in advance.