Perplexity-User

Neutral Block: Depends Verified robots.txt: No

Perplexity user-triggered fetcher used to visit pages when answering a user's question.

Key facts

Operator
Perplexity
Family
Perplexity
Purpose
User Triggered
User-Agent
Perplexity-User
Should you block it?
Depends
Verified
Yes
Respects robots.txt
No
Identity type
Official Documented
Confidence
High
Last verified
2026-04-01

Bot details

Identity

User-Agent
Perplexity-User
robots.txt token
Perplexity-User
HTTP user-agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Perplexity-User/1.0; +https://perplexity.ai/perplexity-user)
Aliases
Perplexity user fetcher

Ownership

Operator
Perplexity
Family
Perplexity
Type
Ai
Purpose
User Triggered

Verification and trust

Source type
Official
Confidence
High
Last verified
2026-04-01
Verification
Verify the user-agent together with Perplexity's published IP ranges for Perplexity-User.

Blocking and detection

Robots

User-agent: Perplexity-User
Disallow: /

Cloudflare

(http.user_agent contains "Perplexity-User")
Advanced server rules

Apache

RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Perplexity\-User [NC]
RewriteRule ^ - [F,L]

Nginx

if ($http_user_agent ~* "Perplexity-User") { return 403; }

Notes

Perplexity-User is used for user actions inside Perplexity. It is not used for automatic web crawling or training, and Perplexity says this user-requested fetcher generally ignores robots.txt rules.

Perplexity publishes IP ranges for Perplexity-User.

Evidence and source

  • Verify the user-agent together with Perplexity's published IP ranges for Perplexity-User.