Asked by Sarah L.
This is a crawl freshness + caching issue on Perplexity's side, not canonicalization. Add schema.org/dateModified and schema.org/version to your SoftwareApplication markup, then submit a recrawl request if Perplexity has a tool for it. More immediately: check if those old URLs still exist or are 301-redirecting properly—if Perplexity is caching a redirect chain, it may not follow through. Force a re-crawl by updating your schema and posting a new internal link to the integrations hub from your homepage.