title: Google Tag Manager - Send dataLayer from Backend
body: <p>I had GTM set up on my website and I can send dataLayer to my GTM containers just fine. I wonder if I can do the same from my backend? My backend runs on spring boot and I am having difficulty finding any documentation. My use case is that I want to send dataLayer to my GTM containers when payments are received from customers. From client side it will be difficult because payment successful page can be loaded multiple times; giving incorrect result.</p>
  <p>How do I send dataLayer to my GTM container from a backend microservice?</p>