Gap note
Visa Trusted Agent Protocol gaps
Visa Trusted Agent Protocol is a gap note assembled on 2026-10-21. It quotes primary pages for settlement asset, spend controls, revocation, protocol composition, license, governance body, and cross-company use. A line that says not documented uses the day that page was read. The note does not rank the listing.
Last verified 2026-10-21
Sources
Visa Trusted Agent Protocol listing · Protocol compatibility · Spend controls · Gaps JSON
| Dimension | Status |
|---|---|
| Settlement asset | Not documented |
| Spend controls | Mixed |
| Revocation | Not documented |
| Protocol composition | Documented |
| License | Not documented |
| Governance body | Documented |
| Cross-company use | Documented |
Settlement asset
Not documented
Not documented as of 2026-10-21. The specification describes a payment container signature. It does not name a settlement asset for the protocol itself.
Visa Trusted Agent Protocol specifications · Read 2026-10-21
Spend controls
Documented
The 2 July 2026 release says the agents acted within consumer-defined parameters.
Visa press release on live agentic transactions in Europe (Jul 2, 2026) · Read 2026-10-21
The 20 October 2026 release says payment controls are tied to the customer's approved payment instruction, and that the agent executes eligible payments the buyer has already approved.
Visa press release on the BILL and Billtrust pilot (Oct 20, 2026) · Read 2026-10-21
Not documented
Not documented as of 2026-10-20. Per payment cap. The Visa getting started page describes agent signatures and does not state this control.
Visa Developer Center: getting started with Trusted Agent Protocol · Read 2026-10-20
Not documented as of 2026-10-20. Period budget. The Visa getting started page describes agent signatures and does not state this control.
Visa Developer Center: getting started with Trusted Agent Protocol · Read 2026-10-20
Not documented as of 2026-10-20. Payee or protocol allowlist. The Visa getting started page describes agent signatures and does not state this control.
Visa Developer Center: getting started with Trusted Agent Protocol · Read 2026-10-20
Not documented as of 2026-10-20. Human approval above a threshold. The Visa getting started page describes agent signatures and does not state this control.
Visa Developer Center: getting started with Trusted Agent Protocol · Read 2026-10-20
Revocation
Not documented
Not documented as of 2026-10-20. Revocation. The Visa getting started page describes agent signatures and does not state this control.
Visa Developer Center: getting started with Trusted Agent Protocol · Read 2026-10-20
Protocol composition
Documented
The specification says the agent recognition signature is based on RFC 9421 and aligned with web-bot-auth.
Visa Trusted Agent Protocol specifications · Read 2026-10-21
License
Not documented
Not documented as of 2026-10-21. The listing source says the reference code is under Visa terms, not an open source license. This matrix did not read a LICENSE file in that repository on 2026-10-21.
Trusted Agent Protocol reference code on GitHub · Read 2026-10-21
Governance body
Documented
Visa publishes the specification.
Visa Developer Center: getting started with Trusted Agent Protocol · Read 2026-10-21
Cross-company use
Documented
The 2 July 2026 release says merchant participation was enabled through Visa Trusted Agent Protocol and Agent Directory, and that AI agents carried out purchases at participating merchant websites.
Visa press release on live agentic transactions in Europe (Jul 2, 2026) · Read 2026-10-21
The 20 October 2026 release says the authorized BILL Payment Agent is registered using Visa Trusted Agent Protocol, that Billtrust uses the protocol to recognize that agent, and that the pilot is live.
Visa press release on the BILL and Billtrust pilot (Oct 20, 2026) · Read 2026-10-21
Questions
- What does not documented mean?
- Not documented means the cited page does not state the fact. The line names that page and the day it was read. It is not a claim that the fact is false.
- What does omitted mean?
- Omitted means this note has no checked source for that dimension. The dimension was left out rather than filled in.
- Does the index rank these products?
- No. The table can be sorted by name, by dimension status, or by checked date. Sort order is not a score.
- Where is the machine readable file?
- GET /data/gaps.json. The file includes every note, the cited sources, and the read dates.