---
title: "Validate a ZUGFeRD/Factur-X PDF (Base64)"
method: POST
path: "/api/zugferd/validate/base64"
tags: ["ZUGFeRD / Factur-X"]
---

# Validate a ZUGFeRD/Factur-X PDF (Base64)

`POST /api/zugferd/validate/base64`

## Request

- Base URL: `https://api.dokmatiq.com`
- URL: `https://api.dokmatiq.com/api/zugferd/validate/base64`
- Auth: API key in header `X-API-Key`

Validates a Base64-encoded PDF against ZUGFeRD/Factur-X standards.

## Request body

- object

## Response `200`

Validation result

## Other responses

- `400`: Invalid input
- `500`: Validation failed

---

[API](https://skmtc.dev/dokmatiq/apis/docgen-api.md) · [All operations](https://skmtc.dev/dokmatiq/apis/docgen-api/llms.txt) · [OpenAPI document](https://skmtc.dev/dokmatiq/apis/docgen-api/revisions/3fa1a922764d?raw)