What AI says about x401
Since Jul 5Updated Nov 12, 2026Based on 5,927 AI answers
Reviewed by Dimitry Apollonsky
Mentioned in · Public index
<1%
of AI answers about x401 and its rivals · since Jul 5
Based on 5,927 AI answers
- ChatGPT<1%
- Google AI Mode<1%
How often AI mentions x401
of AI answers about x401 and its rivals
Track your brand free to see 13 weeks of history.
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Sep 14OctNov 2
- · ChatGPT switched to GPT-6 Luna
More from PROOF
BrandMentioned in
- PROOF2%
- x401<1%
Questions and answers
- Most mentionedMentioned in
- What startups are defining identity, trust, and authentication for a web where agents are users?on this questionOkta shares the lead for mentions with 3 more5%
Excerpts where x401 appeared in the AI's answer
ChatGPTAug 18, 2026, ChatGPT Its x401 lets a website/API challenge an agent for cryptographic proof of the human behind it
- We need to verify that an agent is authorized to act for a person or company. What infrastructure solves this?on this questionOAuth is the most-mentioned brand2%
Excerpts where x401 appeared in the AI's answer
Google AI ModeJul 28, 2026, Google AI Mode x401 Protocol: An open, issuer-neutral protocol developed for high-assurance verification
x401 in AI answers
1 of 2
What startups are defining identity, trust, and authentication for a web where agents are users?
ChatGPTChatGPT· Aug 18, 2026
Its x401 lets a website/API challenge an agent for cryptographic proof of the human behind it
Google AI ModeGoogle AI ModeNo answer mentioning x401
Sites AI cites
Brands AI mentions
Mentioned in
- Docusign30%
- Notarize3%
- NotaryCam2%
- BlueNotary2%
- OneNotary2%
