Show HN: Thelawin – Generate EU e-invoices from JSON

Category: library

Tags: e-invoicing, zugferd, factur-x, api-sdk, eu-compliance, json-to-pdf

Score: 5.3/10 (Innovation: 3, Technical: 5, Documentation: 7, Utility: 6)

Thelawin is an API and multi-language SDK suite for generating EU-compliant e-invoices (ZUGFeRD, Factur-X, etc.) from JSON. It simplifies complex regulatory requirements into a fluent builder pattern, making it useful for businesses needing to adopt mandatory e-invoicing across Europe.

Target audience: backend devs

Repository: https://thelawin.dev/ · Kotlin

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