# zugferd-validator-de

**Canonical:** https://apis.io/providers/zugferd-validator-de/  
**Website:** https://zugferd-validator.de/  
**APIs profiled:** 0

ZUGFeRD Validator provides an API and MCP client for validating electronic invoices (ZUGFeRD, Factur‑X, XRechnung). Users can upload PDF or XML invoices and receive structured JSON validation results with error codes and correction suggestions, all without registration for limited free use. The service offers tools for conversion, consistency checks, and rule queries, targeting developers and businesses handling e‑invoicing in Germany and EU.

## Kin Score — 9.2 / 100 (minimal)

Scored 2026-11-06 under rubric 0.27.0. Trend: falling (-6.0 from 15.2).

| Facet | Score |
|---|---|
| Discoverability | 39.3 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 14.3 |
| Access Clarity | 15.8 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 9.8 (matched via fallback).

## Agent readiness — 2.9 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

Open access — onboarding: open, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Zugferd Validator De Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Validation, E-Invoicing, Germany

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/zugferd-validator-de/). Scores are computed from the provider's own public artifacts under a published rubric.