---
title: "EU AI Act Article 12 Log Schema Checker"
method: POST
path: "/v1/tools/check_eu_ai_act_article12_log_schema"
tags: ["EU AI Act", "Article 12", "record-keeping", "logging", "Article 19", "log retention", "high-risk AI", "log schema"]
---

# EU AI Act Article 12 Log Schema Checker

`POST /v1/tools/check_eu_ai_act_article12_log_schema`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/check_eu_ai_act_article12_log_schema`
- Auth: none declared

Maps a declared AI system log schema against EU AI Act (Regulation (EU) 2024/1689) Article 12(2)'s three event categories (Art 79(1)/43(4) risk identification, Art 72 post-market monitoring, Art 26(5) operation monitoring), Article 12(3)'s four minimum elements for Annex III point 1(a) remote biometric identification systems, and Article 19's six-month retention floor and financial-institution documentation duty, returning a gap list with the cited clause per gap. Deterministic, client-side, zero PII.

**Tool URL:** https://ainumbers.co/tools/666-eu-ai-act-article12-log-schema-checker.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `systemClass` string
  - `logsAuto` boolean
  - `logsLifetime` boolean
  - `eventsTimestamped` boolean
  - `catA` boolean
  - `catB` boolean
  - `catC` boolean
  - `isRemoteBiometricId` boolean
  - `bioStartEnd` boolean
  - `bioRefDb` boolean
  - `bioMatchInput` boolean
  - `bioVerifiers` boolean
  - `retentionMonths` string
  - `retentionLawOverride` boolean
  - `isFinancialInstitution` boolean
  - `governanceDocs` boolean
  - `schemaText` string

## Response `200`

Successful tool execution result

- object
  - `overall` string: NO_GAPS_DECLARED | GAPS_IDENTIFIED | INDETERMINATE | OUT_OF_SCOPE
  - `gaps` unknown[]: Gap rows, each with the governing clause citation
    - 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)