TavilyBot
Tavily's real-time AI agent data crawler
About this crawler
TavilyBot is a web crawler identified by the regular-expression pattern TavilyBot in the User-Agent request header. It is categorised as ai-fetcher. Use the regex above to detect, log, allow, or block TavilyBot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.26%
Technical details
- Name
- TavilyBot
- Pattern
TavilyBot- Tags
- ai-fetcher
- Reference
- https://knownagents.com/agents/tavilybot
- Added
- 2026/04/26
- rDNS suffixes
.tavily.com- Instances
- 1 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely TavilyBot with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.
.tavily.com
Sample User-Agent strings
Mozilla/5.0 (compatible; TavilyBot; +https://tavily.com/)
Block this crawler
robots.txt — disallow TavilyBot:
User-agent: TavilyBot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} TavilyBot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "TavilyBot") {
return 403;
}
← back to all crawlers