{
 "slug": "perplexity-user",
 "name": "Perplexity-User",
 "operator": "Perplexity",
 "operator_slug": "perplexity",
 "category": "user-fetch",
 "category_label": "User-triggered fetchers",
 "robots_token": "Perplexity-User",
 "user_agent_substring": "Perplexity-User",
 "user_agent_example": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/W.X.Y.Z Safari/537.36; compatible; Perplexity-User/1.0; +https://perplexity.ai/perplexity-user",
 "respects_robots_txt": "by-design-no",
 "respects_robots_txt_label": "not governed by robots.txt (user-initiated, by operator policy)",
 "verification_method": "published-ranges",
 "verification_label": "published IP ranges",
 "published_ip_ranges_url": "https://www.perplexity.ai/perplexity-user.json",
 "ip_ranges_endpoint": "https://www.pathwren.workers.dev/ip-ranges/perplexity-user.json",
 "ipv4_prefix_count": 4,
 "ipv6_prefix_count": 0,
 "what_it_is": "Fetches a page because a Perplexity user asked for it. Perplexity documents that this fetch is user-initiated and is therefore not governed by robots.txt — a robots rule will not stop it, by stated policy.",
 "cost_of_blocking": "Not controllable via robots.txt. If you must stop it, verify by the published IP ranges and block at the edge — and accept that users who ask for your page get an error.",
 "operator_docs": "https://docs.perplexity.ai/guides/bots",
 "html_url": "https://www.pathwren.workers.dev/crawler/perplexity-user.html",
 "json_url": "https://www.pathwren.workers.dev/crawler/perplexity-user.json",
 "last_reviewed": "2026-09-03",
 "links": [
  {
   "rel": "self",
   "href": "https://www.pathwren.workers.dev/crawler/perplexity-user.json",
   "type": "application/json"
  },
  {
   "rel": "changes",
   "href": "https://www.pathwren.workers.dev/changes.json?since=111",
   "type": "application/json",
   "title": "What changed since your cursor — poll this instead of re-downloading this document",
   "cursor_param": "since",
   "head_cursor": 111,
   "min_poll_seconds": 21600,
   "how": "Read `cursor` from the response and send it back as `since`. It advances only when something really changed, so an unchanged answer is proof rather than luck — about 2.5 KB, or a 304 with no body if you send back the ETag."
  },
  {
   "rel": "related",
   "href": "https://www.pathwren.workers.dev/data/agents.json",
   "type": "application/json",
   "title": "Every crawler record in one file"
  },
  {
   "rel": "related",
   "href": "https://www.pathwren.workers.dev/crawler/perplexity-user.md",
   "type": "text/markdown"
  },
  {
   "rel": "related",
   "href": "https://www.pathwren.workers.dev/ip-ranges/perplexity-user.json",
   "type": "application/json"
  },
  {
   "rel": "service-desc",
   "href": "https://www.pathwren.workers.dev/openapi.json",
   "type": "application/json",
   "title": "Every read endpoint, described formally"
  }
 ]
}