Comparison
Visa Trusted Agent Protocol vs Web Bot Auth
Visa Trusted Agent Protocol and Web Bot Auth are Identity and trust listings set side by side. Visa Trusted Agent Protocol is live. Web Bot Auth is beta. Last verified 2026-10-19 and 2026-10-19. Shared tags are http-signatures. The table cites each listing's sources.
Last verified 2026-10-19 (Visa Trusted Agent Protocol), 2026-10-19 (Web Bot Auth)
Sources
- Visa Developer Center: getting started with Trusted Agent Protocol
- Visa press release introducing Trusted Agent Protocol (Oct 14, 2025)
- Visa press release on live agentic transactions in Europe (Jul 2, 2026)
- Trusted Agent Protocol reference code on GitHub (Visa terms, not an open source license)
- Cloudflare Web Bot Auth documentation
- Google guide to Web Bot Auth
- IETF webbotauth working group draft: HTTP Message Signatures for automated traffic
| Field | Visa Trusted Agent Protocol | Web Bot Auth |
|---|---|---|
| Status | Live | Beta |
| Open source | No | Yes |
| Last verified | 2026-10-19 | 2026-10-19 |
| Mechanism | Visa specification for merchants to verify an approved agent from an RFC 9421 HTTP message signature bound to the site and the action, with optional consumer and payment identifiers. Visa reports live agent purchases at European merchants through it and its Agent Directory. | Method for an automated client to sign HTTP requests so a site can verify which bot or agent sent them. The signature rules are an IETF working group draft, not yet a standard. |
| Tags | http-signatures, merchants, cards, agent-verification | http-signatures, bots, draft |
| Links | ||
| Sources |
Tags
- Shared
- http-signatures
- Only Visa Trusted Agent Protocol
- merchants, cards, agent-verification
- Only Web Bot Auth
- bots, draft
Glossary
Questions
- What is the status of Visa Trusted Agent Protocol and Web Bot Auth?
- Visa Trusted Agent Protocol is live. Web Bot Auth is beta.
- When was each listing last verified?
- Visa Trusted Agent Protocol was last verified 2026-10-19. Web Bot Auth was last verified 2026-10-19.
- Does this page score Visa Trusted Agent Protocol against Web Bot Auth?
- No. The page restates each mechanism and cites the listing sources.