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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryAI Search & EmergingWeb Bot Auth

AI Search & Emerging

Web Bot Auth

A method for bots and AI agents to cryptographically sign their web requests so sites can verify who they are and treat them accordingly.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Web Bot Auth is a method for bots and AI agents to cryptographically sign their web requests so websites can verify who they are. Instead of relying on easily spoofed user-agent strings, sites can check signatures and treat verified agents accordingly, such as allowing, rate-limiting, or charging them. It supports trusted automated access.