---
title: "Visa Trusted Agent Protocol Signature Inspector & Readiness"
method: POST
path: "/v1/tools/inspect_visa_tap_signature"
tags: ["Visa", "Trusted Agent Protocol", "RFC 9421", "Web Bot Auth", "agent recognition", "payments"]
---

# Visa Trusted Agent Protocol Signature Inspector & Readiness

`POST /v1/tools/inspect_visa_tap_signature`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/inspect_visa_tap_signature`
- Auth: none declared

Inspects Visa Trusted Agent Protocol (TAP) HTTP Message Signatures — the agent-recognition signature and replay protection (timestamp, session id, key id, algorithm) — and scores TAP readiness. Built on RFC 9421 and aligned with Web Bot Auth. TAP-specific labels are illustrative — verify against Visa Developer.

**Tool URL:** https://ainumbers.co/tools/286-visa-trusted-agent-protocol-inspector.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `signature_input` string: Signature-Input header
  - `signature` string: Signature header

## Response `200`

Successful tool execution result

- object
  - `parsed` object
  - `findings` unknown[]
    - unknown

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)