---
title: "Visa Trusted Agent Protocol (TAP) Signature Inspector"
method: POST
path: "/v1/tools/inspect_visa_trusted_agent_protocol"
tags: ["TODO_TAGS_REVIEW", "TODO_AP2_EXPORT_REVIEW"]
---

# Visa Trusted Agent Protocol (TAP) Signature Inspector

`POST /v1/tools/inspect_visa_trusted_agent_protocol`

## Request

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

Parses and scores Visa TAP Signature-Input / Signature header pairs (RFC 9421 HTTP Message Signatures). Runs a 5-question TAP Readiness Assessment. Branch A, node 2 of the Agentic Rail Chain. Promoted from T286.

**Tool URL:** https://ainumbers.co/chaingraph/art-23-visa-trusted-agent-protocol-inspector.html

## Request body

- object
  - `signature` string: type not evidenced by kernel source
  - `signature_input` string: type not evidenced by kernel source

## Response `200`

Successful tool execution result

- object
  - `errors` integer
  - `findings` object[]
    - `level` string
    - `msg` string
  - `parsed_label` string
  - `parsed_params` object
    - `alg` string
    - `created` string
    - `expires` string
    - `keyid` string
    - `nonce` string
    - `tag` string
  - `passes` integer
  - `score` integer
  - `verdict` string
  - `warnings` integer

---

[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)