Hi everyone. I'm very new into self learning programming. Presently I'm trying to develop a simple basic Robot that would only Place a Market Order every seconds and it will cancel the Order every followed seconds. Using the following library: https://docs.b2bx.exchange/en/_docs/api-reference.html#private-api
It would place Trade Order at a ( Price = ex.com api * Binance api Aggregate Trades Price)
I have already wrote the api to call for xe.com exchange rate with php
<?php
$auth = base64_encode("username:password");
$context = stream_context_create([
"http" => [