OAI-AdsBot (OpenAI)
Ad checks · Current version 1.0
What it is
OAI-AdsBot visits landing pages submitted as ads on ChatGPT to check that they comply with OpenAI’s policies, and OpenAI may use the page content to decide when the ad is relevant. It only visits pages submitted as ads, and OpenAI says the data it collects is not used to train generative AI foundation models.
Official documentation: developers.openai.com · checked 13 Nov 2026
OAI-AdsBot user agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-AdsBot/1.0; +https://openai.com/adsbotOfficial documentation: developers.openai.com/api/docs/bots · checked 13 Nov 2026
Block or allow OAI-AdsBot in robots.txt
Put these lines at the top of the robots.txt file in your site’s root (example.com/robots.txt). Each subdomain needs its own file.
User-agent: OAI-AdsBot
Disallow: /
User-agent: GPTBot
Disallow: /
Closes GPTBot. OAI-SearchBot, ChatGPT-User stay under your general rules, so your pages can still appear in answers and results.
User-agent: OAI-AdsBot
Allow: /
# repeat here the Disallow lines of your User-agent: * group
If OAI-AdsBot is not named in robots.txt, it already follows your User-agent: * rules, so you don’t need anything. A group of its own replaces the * group for this bot entirely: if you add one, repeat your general Disallow lines in it.
OAI-AdsBot IP ranges
Official list: 2 ranges · published by the owner 12 May 2026 · we checked it 13 Nov 2026
Check an IP from your logs
Show all 2
- 20.168.90.128/25
- 130.131.229.128/25
Does it respect robots.txt and Crawl-delay?
robots.txt: the owner’s documentation does not say whether OAI-AdsBot follows it.
Crawl-delay: the owner’s documentation does not mention it for OAI-AdsBot, so don’t rely on it.
Should you block OAI-AdsBot?
There is no need. OAI-AdsBot only visits pages submitted as ads on ChatGPT; if you don’t advertise there, it has nothing to check on your site.
Check your site
See whether your robots.txt and firewall let OAI-AdsBot in — together with every other AI bot in this directory. Free, no sign-up.
Other OpenAI bots
Questions
What is the OAI-AdsBot user agent string?+
OpenAI documents it as: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-AdsBot/1.0; +https://openai.com/adsbot
How do I block OAI-AdsBot in robots.txt?+
Add a group for it to robots.txt in your site’s root: “User-agent: OAI-AdsBot” followed by “Disallow: /”.
What IP addresses does OAI-AdsBot use?+
OpenAI publishes 2 ranges at https://openai.com/adsbot.json. Requests that call themselves OAI-AdsBot from other addresses are most likely fake.
Does OAI-AdsBot respect robots.txt?+
robots.txt: the owner’s documentation does not say whether OAI-AdsBot follows it.