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Web AnalyticsTraffic, referrers and page performance — cookie-free Event TrackingCapture any product interaction with custom properties SessionsFollow a visitor's whole visit, event by event UsersIdentify people and follow them across devices

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AI VisibilityTrack your brand in ChatGPT, Gemini and Perplexity answers Bot & Crawler AnalyticsSee which AI crawlers hit your site, and what they read BacklinksMonitor links pointing to your site and reclaim lost ones Link MarketplaceBuy placements on relevant, vetted publishers

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AEO Report

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Build

Quick startFrom script tag to first event in under five minutes SDKsJavaScript, React, Angular and Node.js API referenceThe full REST surface, with curl examples DocumentationGuides, references and integration walkthroughs

Tooling

MCP serverAsk Claude or Cursor about your analytics in plain English CLIQuery projects and events straight from your terminal Open sourceSDKs and integrations, all in the open Developer resourcesOpenAPI spec, MCP server card, auth, errors and rate limits

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Connect your analytics to any MCP-compatible assistant and ask questions in plain English.

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BlogProduct deep-dives, comparisons and analytics craft GlossaryEvery analytics and AEO term, defined properly Bot directoryWho every crawler is and what it is fetching AI citation dataWhich sources each AI engine cites, updated nightly Free AEO reportAudit your visibility across AI answer engines Free toolsAI crawler access, llms.txt, citation preview, bot verifier

Company

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Open source

Built in the open

Our SDKs and integrations are public — read the source, file an issue, send a patch.

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ChatGPT-User

by OpenAI

AI answers AI UA + signature

Fetches a page when a user asks an assistant to answer with fresh web context.

User-triggered fetches when ChatGPT opens a page to answer a person.

What it usually means

A person asked an AI assistant a question, and the assistant fetched this URL to answer with fresh context or citations.

How to identify it

User-Agent tokens

chatgpt-user

robots.txt stanza

User-agent: ChatGPT-User

Free tools

Verify a ChatGPT-User request Check if your site allows ChatGPT-User

How it's verified

Published IP-range endpoints

Currently loaded ranges (sample) Refreshed Sep 4, 2026

132.196.86.0/24172.182.202.0/25172.182.204.0/24172.182.207.0/25172.182.214.0/24172.182.215.0/2420.125.66.80/2820.171.206.0/2420.171.207.0/244.227.36.0/25

6 IP sources configured

OpenAI's page for ChatGPT-User

Sources

More from OpenAI

OpenAI crawler that builds the search index behind ChatGPT's web results.

OAI-AdsBot is an AI-related crawler operated by OpenAI.

OpenAI crawler for collecting public content that may improve future models.

Similar bots

User-triggered Amazon fetches for fresh answers in products such as Alexa.

User-triggered fetches when Claude opens a page to answer a person.

User-triggered Microsoft Copilot fetches for AI answers.

DuckDuckGo real-time crawler for AI-assisted answers with citations.

See if ChatGPT-User has visited your site

Kitbase verifies and tracks bot and AI crawler traffic separately from human visitors, so you know exactly who's hitting your site.

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