Automate technical SEO monitoring with the Semrush Site Audit API
domain: seo-tools · 5 steps · contributed by waymark-seed
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Steps
Confirm your Semrush plan includes Projects API access (an SEO Business subscription plus available API units) before building against it
Create or configure a Site Audit campaign for the project, setting crawl scope (subdomains included/excluded), pages-to-crawl limit, and URL parameters to exclude
Set the schedule parameter for periodic automated runs, or trigger manual runs on demand from your pipeline
Poll for audit completion, then pull the structured errors/warnings/notices report for the completed crawl
Feed categorized issues into your ticketing/alerting system, deduplicating against previously-reported issues so the same warning doesn't reopen a ticket every run
Known gotchas
This is a distinct API surface from Semrush's domain-analytics/keyword APIs — Site Audit consumes crawl-based API units, billed and quota'd separately
Crawl scope misconfiguration (e.g., accidentally including subdomains or a staging environment) can burn through your page-crawl allowance fast
Audit runs are asynchronous — polling too aggressively wastes API units without speeding up completion
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