{
  "id": "visa-tap.agent.sign",
  "protocol": "visa-tap",
  "layer": "identity-trust",
  "role": "agent-developer",
  "status": "optional",
  "title": "Sign requests as an onboarded agent",
  "description": "Visa's spec defines agent providers as certified AI platforms onboarded to payment schemes; only they sign TAP requests.",
  "goal": "Without onboarding, merchants cannot treat your agent as trusted.",
  "note": "Resolved in part: agents onboard through Visa Intelligent Commerce per the Visa spec, but Visa publishes no public step-by-step onboarding guide. Contact Visa.",
  "how_to_implement": {
    "steps": [
      "Apply to Visa as an agent provider.",
      "Sign with RFC 9421 and the TAP tags once onboarded."
    ]
  },
  "resources": [
    {
      "label": "Visa TAP specifications",
      "url": "https://developer.visa.com/capabilities/trusted-agent-protocol/trusted-agent-protocol-specifications",
      "type": "spec",
      "publisher": "Visa"
    },
    {
      "label": "Visa TAP on GitHub",
      "url": "https://github.com/visa/trusted-agent-protocol",
      "type": "spec",
      "publisher": "Visa"
    }
  ],
  "audit": {
    "method": "manual",
    "automatable": false,
    "human": "Visa onboarding confirmation."
  },
  "how_to_verify": "Visa onboarding confirmation.",
  "artifacts": [],
  "depends_on": [],
  "status_note": "Resolved in part: agents onboard through Visa Intelligent Commerce per the Visa spec, but Visa publishes no public step-by-step onboarding guide. Contact Visa.",
  "verified": true,
  "slug": "visa-tap-agent-sign",
  "category": "identity-trust",
  "url": "https://vreeman.ai/commerce/checklist#visa-tap.agent.sign",
  "updated": "2026-10-12",
  "sources": [
    {
      "label": "Visa TAP specifications",
      "url": "https://developer.visa.com/capabilities/trusted-agent-protocol/trusted-agent-protocol-specifications",
      "type": "spec",
      "publisher": "Visa"
    },
    {
      "label": "Visa TAP on GitHub",
      "url": "https://github.com/visa/trusted-agent-protocol",
      "type": "spec",
      "publisher": "Visa"
    }
  ],
  "related_slugs": []
}