JSPM

Standard Number Validation

International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.

Check the validity of the format of an EU VAT number

Scraper app for fetching Israeli VAT data

Check the validity of a VAT number

VIES API Client for JavaScript

JSON Schema definitions and TypeScript types for VAT agent manifest format

Check the validity of the format of a VAT number

Helpers to calculate taxes on Open Collective

MCP Gateway for exposing VAT agents through Model Context Protocol

Generate fake Italian vat and verify vats

VAT rates for 44 European countries — EU-27 plus Norway, Switzerland, UK, and more. Updated daily, published automatically when rates change.

Get a country VAT rate. ISO 3166-1 compliant.

Check the validity of the format of an EU VAT number

Compile markdown resources to TypeScript with full IDE support

Production-grade double-entry accounting engine for MongoDB — schemas, reports, tax, multi-tenant

A package for validating VAT numbers

A tool to validate an european VAT number and get the related business data with the VIES API

Tax calculation and management module for 86d commerce platform

Wrapper for the Octobat v2 api calls

Scraper app for fetching Israeli VAT data

Validate EU VAT numbers using the official VIES SOAP API

Complete TypeScript SDK for Romanian ANAF API -E-Factura, Company checks

Complete TypeScript SDK for Romanian ANAF API -E-Factura, Company checks

TypeScript SDK for the isvalid.dev validation API

ZATCA Phase 2 e-invoicing integration for Node.js

Calculate total landed costs for cross-border commerce. 240 countries, 257M+ tariff records, 131K government tariff schedules, 1.36M product-HS mappings, 63 FTAs, 9-field 100% HS Code accuracy (GRI Pipeline), sanctions screening (21K+ entries). MCP server

A VAT number validation class

A validator for different types of personal ID for multiple countries.

Text mask for VAT identification number

Validate foreign VAT numbers via German “Bundeszentralamt für Steuern”

Check if a number is a valid UK VAT number

A tool to bake VAT from AnimationClip with sample shaders for Unity

Official TypeScript SDK for the Vatly VAT and GST validation API

MCP server for Spanish AEAT tax reference data — IRPF brackets, VAT rates, fiscal calendar, tax form catalog, and more. 100% official sources (BOE, AEAT).

VATFix Plus — EU VAT validation for n8n

Bangladesh country pack for @classytic/ledger — BFRS chart of accounts, NBR VAT/TDS tax codes, Mushak 9.1 return

n8n node for ZATCA Saudi Arabia - E-Invoice Fatoora, VAT/CR validation, SAR exchange rate

MCP server for IQX Lookup Platform — 12 data validation tools for AI agents: email, phone, EU VAT (VIES), IBAN, BIC, DNS, SSL, IP geolocation, and more. Free tier: 10K req/month.

International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.

UK VAT calculator. Add/remove VAT, calculate VAT amount, check registration threshold.

Official Node.js/TypeScript SDK for the EuroValidate API — validate EU VAT, IBAN, EORI, and company data.

Standard Number Validation

NIP24 Client for JavaScript

Node.js SDK for the Giltiq VAT Validation API

Official Node.js client for the Unirate API - real-time and historical currency exchange rates, plus VAT rates

n8n community node for VIES - EU VAT number validation via European Commission

MCP server for AI agents — EU VAT rates, GDPR articles, EUR-Lex regulation search, and EU company VAT validation. Free, no API key.

Node.js client for the vatcheckapi.com API (status, check)

Financial primitives for modern TypeScript applications

n8n community node for Biala Lista VAT - Polish VAT taxpayer white list verification

Catalog of 250+ Strale capabilities — IBAN validation, VAT checks, company data across 27 countries, sanctions screening, and more. Use with strale-mcp or the Strale REST API.

n8n community node for Zambia Revenue Authority VSDC Smart Invoice API integration

Retrieve info about a Greek tax registration number (AFM)

This small library converts a French SIREN or SIRET to a valid VAT number.

IQX Lookup API client for TypeScript/JavaScript

A comprehensive utility toolkit for developers

VAT Number calculator

[](https://badge.fury.io/js/vat-exemption-reasons) [](https://opensource.org/licenses/MIT)

Finance Calculator

Check the validity of the format of an EU VAT number

MCP server for EU VAT validation — VIES + BZSt failover, §18e qualified confirmations, cached fallback. Works when VIES is down.

Modern European VIES VAT number validator with full TypeScript support

A comprehensive regex validator library for global VAT numbers and other validation patterns

A tiny utility to retrieve vat rates for the EU. Useful for Ecommerce platforms and projects.

Validation of Greek tax registration number (AFM)

VAT Calculation tools

MCP server for Faktuj — generate Polish VAT invoices from AI assistants like Claude, Cursor, VS Code

Check EU VAT info

A comprehensive utility toolkit for Thai backend developers

Greek Tax ID, Greek Social Security Number, and Greek Postal Code validators

Client for Disability Registry API of EPAN

This package is an finance and accounting engine specificly made based on the swiss system.

Fetch Polish company details by NIP (VAT number) from official GUS registry

taxtools.io library

A tool to validate an european VAT number and get the related business data with the VIES API

Production-ready authentication, payments, and compliance kernel for B2B SaaS

MCP server for European invoicing rules — VAT rates, e-invoicing requirements, format standards, and compliance validation for EU-27 + EEA countries

French VAT Number format validator

Directus interface for handling french company identifiers (SIRET, SIREN & VAT number)

Validate phone numbers, credit cards, IBANs, VAT numbers, and postal codes for 40+ countries. Powered by datacheck.dev.

Calculate the price of a product with VAT

Retrieve info about a Greek tax registration number (AFM)

A fast and efficient tax calculator for Ethiopian tax regulations, including personal, corporate, and other tax types.

A validator for different types of personal ID for multiple countries.

A program for price counting in Duopomelo.ID

World vat validator

EU VAT Invoice Generator with country-specific requirements and PDF rendering

Official TypeScript SDK for VerifyVAT

Production-ready authentication, payments, and compliance kernel for B2B SaaS

The **TRA SDK for Node.js** makes it easy for developers to access [TRA API](#) in their Javascript code, and build robust applications.

This package implements TRA (Tanzania Revenue Authority) APIs.

Ebarimt integration package

Official Node.js wrapper for the VatFlow API (EU VAT validation & monitoring)

Production-ready CLI for Taxamo global tax compliance API

Check the validity of the format of an EU VAT number

Easily handle EU MOSS tax & VAT regulations.

The Operating System for SaaS - Unified VocoWeb SDK

A module to retrieve the EU VAT rates in json format

The Operating System for SaaS - Unified Rivtor SDK

vatapi.com API Nodejs library.

Validate European tax IDs (VAT numbers, NIF, CIF) with format checks and checksum verification. Supports 30 countries: 27 EU + UK, Norway, Switzerland. Zero dependencies.

MCP server for checking Polish NIP numbers in Ministry of Finance VAT database

Node.js client for VAT ID Validator API - Validate EU VAT numbers using VIES

Client-side inventory management toolkit with React context and optional Jotai/Zustand/Redux/MobX integrations.

EU VAT Invoice Generator with country-specific requirements and PDF rendering

Calculadora de IVA (Impuesto al Valor Agregado) para México con tasas 16%, 8% y 0%

Official TypeScript SDK for the VeriCorp API — European company verification and VAT validation

client library for greek GSIS tax service in Nodejs

Official TypeScript SDK for the VeriCorp Invoice Extract API — extract structured data from European invoices using AI

Production-ready CLI for VAT API - European VAT validation and rates

Validate and check info for UK VAT numbers

A simple TypeScript utility to calculate VAT (Value Added Tax) for the Philippines or custom rates.

VAT spin-off

VIES EU VAT REST API Client

Fetch EU VAT rates from the official EU web service in a usable form

Production-ready ZATCA Phase 2 QR code generator for Saudi Arabia e-invoicing. Easy to integrate, fully typed, and compliant with ZATCA specifications.

TypeScript wrapper library for EU VAT ID validation using the VIES REST API

UnOfficial TypeScript/JavaScript SDK for Novitus Fiscal Printer API - Type-safe client for receipts, invoices, and non-fiscal printouts

Smash Sdk Vat

Official TypeScript SDK for the VeriCorp API — European company verification and VAT validation

Taxora VAT Validation API SDK for Node.js

TypeScript client for validating EU VAT numbers with the VIES API.

Nigerian tax compliance SDK — VAT, PAYE, WHT, Pension, Payroll, Invoicing. NTA 2025 compliant.

VAT number validation for AI agents. EU VIES, UK HMRC, Australian ABN in one call.