Complete KSeF (Krajowy System e-Faktur) e-invoicing integration for Dolibarr - FA(3) submission, corrections, incoming import, multicurrency. AGPLv3+.
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Aug 19, 2026 - PHP
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fa3
Here are 18 public repositories matching this topic...
🧾 Free, open-source KSeF FA(3) invoice validator. XSD + semantic rules, runs in the browser. CLI & npm package included.
open-source typescript xml nextjs xsd validator webassembly invoice poland faktura e-invoicing ksef fa3
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Aug 12, 2026 - TypeScript
✨ A curated list of KSeF tools and resources
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Jun 23, 2026
REST API i usługa Docker do generowania wizualizacji PDF polskich faktur KSeF i dokumentów UPO
nodejs docker typescript microservice rest-api invoice taxation poland pdf-generator polish fiscal xml-to-pdf faktura upo ksef fa3
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Jan 22, 2026 - TypeScript
Spring-Boot-first Java client for Poland's KSeF 2.0 e-invoicing (FA(3)): send, read, and UPO handling, with a published test mock. Apache-2.0, on Maven Central.
java spring-boot gradle invoicing tax spring-boot-starter vat invoice poland einvoicing faktura e-invoicing ksef fa3 krajowy-system-e-faktur ksef2
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Jul 1, 2026 - Java
Official PHP SDK for the NaprawKSeF API (KSeF, FA(3), webhooks). Zero runtime dependencies, PSR-18 compatible.
php webhooks api-client php-sdk ksef fa3 ksef-api krajowy-system-e-faktur ksef-sdk fa-3 naprawksef polish-einvoicing
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May 25, 2026 - PHP
Zero-dependency TypeScript validation for Polish invoices before KSeF submission: NIP checksum, date sanity and net + VAT = gross consistency.
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Jul 27, 2026 - TypeScript
REST API i usługa Docker do generowania wizualizacji PDF polskich faktur KSeF i dokumentów UPO
nodejs docker typescript microservice rest-api invoice taxation poland polish pdf-generation fiscal xml-to-pdf faktura upo ksef fa3
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Apr 3, 2026 - TypeScript
Poland KSeF FA invoice generator sample inputs, validated outputs, Dataset schema, and KSeF submission boundaries for the Apify Actor.
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Jul 30, 2026
Agent Skill: build KSeF API 2.0 integrations (Krajowy System e-Faktur, Poland's national e-invoicing) — KSeF-token auth, AES-256/RSA-OAEP invoice encryption, interactive and batch sending, UPO receipts, purchase-invoice sync, KOD I/II QR codes — in Next.js App Router on Vercel
typescript nextjs invoicing tax poland codex ai-agents app-router e-invoicing vercel ksef anthropic gemini-cli agent-skills claude-code fa3 agent-skill e-faktura krajowy-system-e-faktur timerise
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Sep 2, 2026 - TypeScript
KSeF adapter for the madcoders Sylius e-invoicing plugin - submits FA(3) e-invoices to the Polish national e-invoicing system
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Jul 30, 2026 - PHP
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