CRATEAPI

Spain e-invoicing mandate

B2G

Facturae mandatory since 2015 (Ley 25/2013, via FACe)

B2B mandate

Verifactu (certified software, AEAT reporting) mandatory since 1 Jan 2026; Crea y Crece B2B e-invoicing approved March 2026 - phased 1yr (>€8M revenue) / 2yr rollout once the ministerial order publishes

Format / channel

Facturae XML via FACe (B2G); B2B platform/format still pending the ministerial order

Full guide: Facturae →

What CrateAPI offers

EndpointNotes
POST /v1/generate/facturaeEUR-only standard invoices (InvoiceDocumentType FC/InvoiceClass OO), unsigned — XAdES stays yours.
POST /v1/validate/facturaefreeXSD-structural validation before you submit through FACe.
Not legal or tax advice. Mandate dates and thresholds change - verify against your country's official source before relying on any date above. CrateAPI checks document format conformance; it does not track legal obligations for you.
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