# Tagstack GTM container audit platform ## Root URL https://tagstack.io ## API URL (requires a paid plan + API Key) https://service.tagstack.io For more comprehensive documentation: [How to audit GTM container with tagstack](https://tagstack.io/blog/lucas-guide-to-successful-gtm-audits?p=1) [Why it matters to audit your Google Tag Manager container](https://tagstack.io/blog/lucas-guide-to-successful-gtm-audits?p=2)