NormAPI client
TypeScript client for NormAPI: validate and generate XRechnung and ZUGFeRD e-invoices without local Java.
What it does
Sends a German e-invoice (XRechnung UBL or CII, or a ZUGFeRD/Factur-X PDF) to the NormAPI service and returns a verdict under the official KoSIT rule set with rule codes; it also generates a validated XRechnung or ZUGFeRD PDF. A zero-dependency TypeScript client for Node 18 or any runtime with fetch, so no local Java. Validation needs no account; generating needs a free key (25 a month).
Where it fits on the map
Not on the map: needs a paid service.
The map places maintained projects for a company tax department or a tax authority, without a demo or paid-service flag. Everything else stays on the list with its label.
Similar projects
Of the same kind, for a shared jurisdiction or tax area. Not a ranking.
- aade-mydataPHP client for Greece's AADE myDATA invoicing API: send, cancel and retrieve invoices.
- BelgiumVatChecker.NET Web API that validates Belgian and EU VAT numbers using the VIES service.
- BrevJVM library to write and read Peppol BIS Billing 3.0 invoices and credit notes, with Norwegian identifiers.
- cbam-apiGo API on the EU Carbon Border Adjustment Mechanism (CBAM) data model.
- chinaport-data-signatureSigns China E-Port customs messages (CEB, 179 data) for cross-border e-commerce declarations.
- commerceguys/taxPHP tax library for commerce applications: tax types, zones and rates.
Maintain this project?
Link to this page from your README, so readers find the facts, the notes and where it fits. The badge is a small SVG served from this site.
[](https://tax-oss.com/projects/normapi-client/)