---
title: "Signature Agent Card Validator"
method: POST
path: "/v1/tools/validate_signature_agent_card"
tags: ["web-bot-auth", "agent-card", "agent-identity", "cloudflare", "bedrock-agentcore", "wave24"]
---

# Signature Agent Card Validator

`POST /v1/tools/validate_signature_agent_card`

## Request

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

Validate a Signature Agent Card (Cloudflare × Bedrock AgentCore registry format): required fields (name, operator, expected_request_rate, keys) present and all card key IDs resolve against a directory JWKS. Emits TRUSTED or UNTRUSTED.

**Tool URL:** https://ainumbers.co/chaingraph/art-131-signature-agent-card-validator.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `card` object, required
  - `directory_keyids` string[], required

## Response `200`

Successful tool execution result

- object
  - `fields_ok` boolean
  - `keys_in_directory` boolean
  - `verdict` 'TRUSTED' | 'UNTRUSTED'
  - `missing_fields` string[]
  - `unresolved_key_ids` string[]

---

[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)