Faktur for javascript is a package for accounting and billing purposes. Support for different uses will be added.
n8n community node for KSeF (Krajowy System e-Faktur) - Polish National e-Invoice System
CLI do pobierania faktur i generowania PDF z KSeF API 2.0
Unofficial TypeScript/JavaScript client for Polish KSeF (Krajowy System e-Faktur) with FA(3) XML generation, submission helpers and QR support.
Pobieranie faktur z maila, odczytanie produktów i ilości z faktur, po czym zapisanie zamoówień w google sheets
Krajowy System e-Faktur (KSeF) integration for Node-RED
n8n community node for Poland's KSeF (Krajowy System e-Faktur) e-invoicing API — query, download, and manage invoices with token or certificate authentication
Model Context Protocol server for Ksefnik — exposes KSeF reconciliation tools to Claude, Cursor and other MCP clients
Core SDK for the Ksefnik KSeF reconciliation engine (Polish e-Invoice matching)
Offline KSeF mock server for testing and development without hitting the real Ministry of Finance API
Command-line interface for Ksefnik — fetch KSeF invoices, reconcile with bank statements, run MCP server
KSeF HTTP adapter — authentication, challenge, sessions, invoice fetch (Polish e-Invoice API v2)
Shared Zod schemas and types for the Ksefnik SDK (Polish KSeF e-Invoice reconciliation)
KSeF authentication library — obtain and refresh JWT tokens
Node.js PDF generator for KSeF FA(1)/FA(2)/FA(3) invoices and UPO XML documents.
WebAPI WAPRO Integrator – n8n community node for WAPRO Mag ERP integration
n8n nodes for Comarch ERP XT (Betterfly) integration - invoices, customers, products
Krajowy_System_e_Faktur
Official TypeScript / Node.js SDK for the NaprawKSeF API (KSeF XML validation, FA(3) correction builder, webhooks). Zero runtime dependencies; works in Node ≥18, Bun, Deno and edge runtimes.
Rust client for the Spiris Bokföring och Fakturering API (formerly Visma eAccounting)
Communication with the API of the digital platform for managing e-Invoicing in Poland (KSeF 2.0)
SDK for integrating with the Polish National e-Invoice System (KSeF).
SDK for generating invoices in schemas FA (2), FA (3), PEF (3), PEF_KOR (3) and FA_RR (1)
Comprehensive German e-invoicing library — XRechnung, ZUGFeRD, DATEV, GDPdU, VAT, Peppol
Client library for fakturoid.cz
Ruby client for Centrum Faktur API
This tool shows invocies issuers, and summarizes which invoices are downloaded
Krajowy System e-Faktur to platforma do wystawiania i otrzymywania faktur drogą elektroniczną.
A Ruby client for the Polish National e-Invoicing System (KSeF 2.0). Targets the FA(3) schema, supports token-based authentication, interactive sessions, and inbound invoice retrieval (metadata, XML, and visualisation). Pure Ruby with no Rails dependency.
Ruby client for web based invoicing service www.fakturoid.cz
A ruby client for the Fakturan.nu - API. Fakturan.nu is a webbapp for billing.
This gem gives integration with polish on-line invoicing service: http://fakturownia.pl
Ruby API for invoicing service fakturownia.pl
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