Visa Trusted Agent Protocol

Cryptographic standard that lets merchants verify Visa-approved AI agents and their authorization

Identity tool by Visa

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Setup steps are in the repository. Website · Repository

About

The Trusted Agent Protocol is Visa's cryptographic standard for merchants to recognize Visa-approved AI agents. A trusted agent includes a message signature in its request, which the merchant validates against the agent's public key using RFC 9421 signatures. The protocol also describes signatures for consumer recognition and payment, and the developer platform provides sample code.

Use cases: identity-access, payments-billing

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Fact sheet

Category: Agent identity

Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.

Signals

Stars: 216
Forks: 46
Open issues: 11
Last commit: Oct 28, 2025 (1 year ago)

From GitHub (fetched Oct 24, 2026).

Details

License: Other
Repository: github.com/visa/trusted-agent-protocol
Website: developer.visa.com/capabilities/trusted-agent-protocol
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Website README github-graphql

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Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.

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Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.

launches shipped: 50+; launches shipped
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founders on every account: 2; founders on every account

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Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.

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Cite this page

Visa Trusted Agent Protocol. Agent Mart. https://agentmart.dev/identity/visa-trusted-agent-protocol (last updated 2026-10-24)