---
title: "EN 16931 / Factur-X E-Invoicing Batch Validator"
method: POST
path: "/v1/tools/validate_einvoice_batch"
tags: ["compliance_mandate"]
---

# EN 16931 / Factur-X E-Invoicing Batch Validator

`POST /v1/tools/validate_einvoice_batch`

## Request

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

Batch validation of e-invoices against EN 16931 mandatory fields, VAT logic, and country profiles. France mandatory September 2026; SMEs September 2027.

**Tool URL:** https://ainumbers.co/chaingraph/art-08-en16931-einvoice-batch-validator.html
**Wave:** 2
**mandate_type:** compliance_mandate
**AP2/Policy Mandate export:** yes

## Request body

- object: See tool page for full input schema: https://ainumbers.co/chaingraph/art-08-en16931-einvoice-batch-validator.html

## Response `200`

Successful tool execution result

- object: OpenChainGraph v0.4 artifact envelope. mandate_type: compliance_mandate. Verify execution_hash at https://ainumbers.co/chaingraph/verify.html

---

[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)