---
title: "Google AP2 Checkout/Payment Mandate (VDC) Builder & Validator"
method: POST
path: "/v1/tools/build_google_ap2_mandate"
tags: ["AP2", "Agent Payments Protocol", "Google", "FIDO", "Verifiable Digital Credential", "mandate"]
---

# Google AP2 Checkout/Payment Mandate (VDC) Builder & Validator

`POST /v1/tools/build_google_ap2_mandate`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/build_google_ap2_mandate`
- Auth: none declared

Builds and validates Google Agent Payments Protocol (AP2) Checkout Mandate and Payment Mandate Verifiable Digital Credentials across Open/Closed stages. This targets the EXTERNAL Google/FIDO AP2 spec (ap2-protocol.org), distinct from the AINumbers Policy Mandate export. Field names are illustrative — verify against the AP2 spec.

**Tool URL:** https://ainumbers.co/tools/285-google-ap2-mandate-builder.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `mandate_type` string: checkout | payment
  - `stage` string: open | closed
  - `fields` object

## Response `200`

Successful tool execution result

- object
  - `mandate` 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)