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REST API

Integrate EN 16931 validation into your own tools.

The REST API exposes the same validation rules as this site, under a free-use license with rate limiting (60 requests/minute per IP).

OpenAPI specification (JSON)

Main endpoints

POST /v1/validate

Accepte du XML brut, un PDF/A-3 Factur-X (base64 ou multipart), ou un upload multipart (champ file).

GET /v1/formats

Liste les formats réellement supportés et ceux en roadmap.

GET /v1/rules/{code}

Explique un code de règle EN 16931 (BR-*) en langage clair.

A RapidAPI listing is planned soon for access with quotas and usage-based billing.

REST API | Facturx Validator