zoom.us: what it tells AI crawlers

On 27 October 2026, zoom.us's robots.txt allowed all of GPTBot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, Google-Extended, PerplexityBot and CCBot.

Last verified 2026-10-28 03:59 UTC (daily run of 2026-10-27). Proof for that day.

Panel
top 1k (Tranco)
robots.txt
ok (HTTP 200) · https://zoom.us/robots.txt
unchanged since 2026-10-26 · sha256 b3ed9f53f38c480b… · view as recorded
The * group
allows applies to every agent without its own group

Per AI bot, 2026-10-27

User agentVerdictHow
GPTBotallowsthrough the * group
OAI-SearchBotallowsthrough the * group
ChatGPT-Userallowsthrough the * group
ClaudeBotallowsthrough the * group
Claude-SearchBotallowsthrough the * group
Claude-Userallowsthrough the * group
PerplexityBotallowsthrough the * group
Perplexity-Userallowsthrough the * group
Googlebotallowsnamed in its own group
Google-Extendedallowsthrough the * group
Applebot-Extendedallowsthrough the * group
CCBotallowsthrough the * group
Bytespiderallowsthrough the * group
Meta-ExternalAgentallowsthrough the * group
Amazonbotallowsthrough the * group
facebookexternalhitallowsnamed in its own group

Other signals

Publishes /llms.txtno
Publishes /ai.txtno
Publishes /.well-known/tdmrep.jsonno
Reserves TDM rights (TDMRep file, header or meta)not observed
Declares Content Signals (robots.txt or header)not observed
Says ai-train=no in a Content Signalnot observed
Points to an RSL licence (robots.txt License line or Link header)not observed
Answers with an x402 payment offer (lower bound: only the homepage is probed)not observed
Answers HTTP 402 Payment Required (lower bound: only the homepage is probed)not observed
Sends noai / noimageai directivesnot observed
Refused our fetcher (403 / challenge)no

robots.txt as recorded sha256 b3ed9f53f38c480b…

User-Agent: *
Disallow: /download/*/Zoom_launcher.exe
Disallow: /download/*/zoomusLauncher.zip
Disallow: /docs/image/new/brand/outdated/
Disallow: /docs/doc/2-Page-All-Products.pdf
Disallow: /docs/doc/zoom-apps-security-privacy-faq.pdf
Disallow: /docs/doc/zoom-apps-data-management.pdf
Disallow: /wc/*
Disallow: /web/*
Disallow: /share*
Disallow: /support*
Disallow: /j/*
Disallow: /z/*
Disallow: /s/*
Disallow: /u/*
Disallow: /w/*
Disallow: /e/*
Disallow: /account*
Disallow: /start*
Disallow: /postattendee*
Disallow: /rec/*
Disallow: /register*
Disallow: /webinar/register/*
Disallow: /webinar/registerevent/*
Disallow: /meeting/register/*
Disallow: /*oauth_signin
Disallow: /my/*
Disallow: /download2*
Disallow: /*?

User-agent: Googlebot
Allow: /join

User-agent: LinkedInBot
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: facebookexternalhit
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: Twitterbot
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: PinterestBot
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: InstagramBot
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: Slackbot
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: WhatsApp
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: redditbot
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: Tumblr
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: TikTokBot
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

User-agent: Snapchat
Allow: /webinar/register/*
Allow: /webinar/registerevent/*
Allow: /meeting/register/*

Sitemap: https://zoom.us/sitemap.xml

robots.txt versions

FromThroughStateVersion
2026-10-262026-10-27ok 200b3ed9f53f38c

Timeline of changes

DateWhat changed
No changes since the first observation (2026-10-26).

Reconstructed history (Common Crawl)

From Common Crawl's robots.txt captures: what CCBot was served, one crawl per quarter. A separate series from the daily observations above; a 403 here means Common Crawl was refused, not this ledger.

CrawlHostStateGPTBotOAI-SearchBotChatGPT-UserClaudeBotClaude-SearchBotClaude-UserPerplexityBot
2026-09-21 CC-MAIN-2026-39zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2025-09-15 CC-MAIN-2025-38zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2024-09-16 CC-MAIN-2024-38zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2023-10-02 CC-MAIN-2023-40zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2022-10-03 CC-MAIN-2022-40zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2021-09-27 CC-MAIN-2021-39zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2020-09-28 CC-MAIN-2020-40zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2019-09-23 CC-MAIN-2019-39zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2018-09-24 CC-MAIN-2018-39zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2018-01-29 CC-MAIN-2018-05zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2017-10-23 CC-MAIN-2017-43zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2017-09-25 CC-MAIN-2017-39zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2017-07-24 CC-MAIN-2017-30zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2017-04-24 CC-MAIN-2017-17zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2017-01-23 CC-MAIN-2017-04zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2016-10-03 CC-MAIN-2016-40zoom.usok viewallowsallowsunknownallowsallowsunknownallows
2016-09-05 CC-MAIN-2016-36zoom.usabsentallowsallowsunknownallowsallowsunknownallows

Evidence

Every daily observation of zoom.us is a leaf in that day's Merkle tree. Proof of the robots.txt line for 2026-10-27: audit path (JSON), day root and OpenTimestamps proof (complete (bitcoin block 973493)).

API: https://infrarabbit.com/crawlers/api/v1/policy/zoom.us