Software Alternatives, Accelerators & Startups

The VAT API VS React Engine

Compare The VAT API VS React Engine and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

The VAT API logo The VAT API

Instant EU VAT number validation for seamless compliance and automation.

React Engine logo React Engine

A react render engine for Universal (previously Isomorphic) JavaScript apps written with express, by PayPal
  • The VAT API
    Image date //
    2025-06-27

The VAT API is a fast and reliable solution for validating EU VAT numbers via a simple, developer-friendly API. Designed for businesses, SaaS platforms, and eCommerce sites operating across Europe, it automates VAT ID verification in real timeโ€”helping you stay compliant, reduce fraud, and streamline onboarding or invoicing processes. With a focus on speed, uptime, and simplicity, The VAT API eliminates the need to manually check VAT numbers via the VIES portal. Just plug in the API and start validating VAT numbers automatically from anywhere in your system.

Key Features: - Real-time EU VAT number validation via API - Supports all EU member states via VIES - JSON responses with clear status, name, and country info - Easy integration with PHP, Python, Zapier, and more - Lightning-fast response times and high reliability - Free tier available for testing and low-volume use

Best for: SaaS companies, invoicing tools, marketplaces, B2B platforms, eCommerce systems.

Use Cases: - Automate VAT checks during user sign-up - Validate customers before issuing reverse-charge invoices - Prevent fraudulent or incorrect VAT numbers

Pricing: Free tier available. Simple and affordable paid plans scale with your usage.

Compliance: Based on official EU VIES data, always up to date.

  • React Engine Landing page
    Landing page //
    2023-10-02

The VAT API

$ Details
freemium $7.99 / Monthly
Release Date
2025 March
Startup details
Country
United Kingdom
State
England
City
London
Founder(s)
Uwe Dreissigacker
Employees
1 - 9

The VAT API features and specs

  • Real-time EU VAT
    Real-time EU VAT number validation via API
  • EU member states
    Supports all EU member states via VIES
  • JSON responses
    JSON responses with clear status, name, and country info

React Engine features and specs

  • Isomorphic rendering
    React Engine enables both server-side and client-side rendering of React components, providing a seamless isomorphic/universal JavaScript experience. This allows for faster initial page loads and better SEO while maintaining rich client-side interactivity.
  • Express.js integration
    React Engine is designed as a view engine for Express.js, making it easy to integrate React into existing Express-based applications with minimal configuration. It follows familiar Express conventions for setting up view engines.
  • Built-in React Router support
    The library comes with built-in support for React Router, enabling developers to easily set up server-side and client-side routing without complex manual configuration.
  • PayPal backing
    React Engine was developed and maintained by PayPal, which provided credibility and ensured it was battle-tested in a large-scale production environment before being open-sourced.
  • Simplified setup
    The library abstracts away much of the complexity involved in setting up server-side rendering with React, reducing boilerplate code and allowing developers to get a universal React application running quickly.

Possible disadvantages of React Engine

  • Abandoned project
    The repository appears to be no longer actively maintained, with no recent commits or updates. This makes it risky to use in production as bugs and security vulnerabilities may go unpatched.
  • Outdated dependencies
    React Engine was built for older versions of React and React Router. It may not be compatible with modern versions of React (16+, 17, 18) or React Router (v5, v6), limiting its usefulness in current projects.
  • Limited ecosystem support
    The library is tightly coupled to Express.js, meaning it cannot be easily used with other Node.js frameworks like Koa, Hapi, or Fastify, reducing its flexibility.
  • Better modern alternatives
    Modern tools like Next.js, Remix, and Vite with SSR plugins provide far more comprehensive and well-maintained solutions for server-side rendering with React, making React Engine largely obsolete.
  • Limited documentation and community
    The project has relatively sparse documentation and a small community, making it difficult for new developers to troubleshoot issues or find examples and best practices for advanced use cases.

Analysis of The VAT API

Overall verdict

  • The VAT API (thevatapi.com) is a solid, developer-friendly service for validating VAT numbers and handling EU VAT rate lookups, offering reliable data and straightforward integration that makes it a good choice for businesses needing tax compliance automation.

Why this product is good

  • Provides accurate, up-to-date EU VAT rates and reliable VAT number validation via VIES
  • Simple RESTful API with clear documentation that is easy to integrate into existing systems
  • Helps automate tax compliance, reducing manual errors in cross-border transactions
  • Offers price calculation features including VAT-inclusive and VAT-exclusive amounts
  • Typically supports fast response times and reasonable pricing tiers for various business sizes

Recommended for

  • E-commerce businesses selling across EU member states
  • SaaS companies needing automated VAT compliance and invoicing
  • Developers building billing or checkout systems requiring VAT validation
  • Accounting and fintech platforms handling tax calculations
  • Small to medium enterprises seeking to streamline cross-border tax reporting

Analysis of React Engine

Overall verdict

  • Unable to verify a project specifically named 'React Engine' on GitHub with confidence, as this does not correspond to a widely recognized or well-documented open-source project that I have reliable information about. There may be multiple small or niche repositories using this name, and quality would vary significantly between them.

Why this product is good

  • React Engine is not a commonly recognized name in the mainstream React ecosystem
  • No verifiable consensus data on stars, maintenance status, documentation quality, or community adoption is available
  • Could refer to a personal project, a boilerplate, a rendering engine, or a niche tool - without more context, its quality cannot be assessed
  • Names like this are sometimes used for student projects, abandoned repos, or experimental tools that lack production readiness

Recommended for

  • Not recommended without further verification
  • Developers should search GitHub directly, check star count, last commit date, open issues, and documentation before adopting
  • Best suited for evaluation on a case-by-case basis rather than a blanket recommendation
  • If you have a specific repository URL, sharing it would allow for a more accurate assessment

Category Popularity

0-100% (relative to The VAT API and React Engine)
Tax Compliance
100 100%
0% 0
Document Automation
0 0%
100% 100
APIs
100 100%
0% 0
Office & Productivity
0 0%
100% 100

Questions & Answers

As answered by people managing The VAT API and React Engine.

Which are the primary technologies used for building your product?

The VAT API's answer

Built on AWS (Amazon EC2/API Gateway), with Postman collection for docs, JSON/REST API architecture pulling VAT data from VIES and HMRC endpoints

Who are some of the biggest customers of your product?

The VAT API's answer

businesses all over the world

How would you describe the primary audience of your product?

The VAT API's answer

Digital businesses, SaaS and e-commerce platforms needing accurate, real-time VAT rate lookup, VAT number validation, and compliant invoice generation across EU & UK.

What's the story behind your product?

The VAT API's answer

Launched in late 2014 for new EU VAT rules (TBE services). Versionโ€ฏ2 released in Aprilโ€ฏ2019 with rewritten core, better docs, infrastructure, pricing, and future-proofing (Brexit, EU changes)

What makes your product unique?

The VAT API's answer

A UK-based, Amazonโ€‘hosted service with real-time VAT rates, cross-border validation (EU/UK), compliant invoicing features, IP-based geolocation, currency conversion, audit-ready logs, and developer-friendly docs.

Why should a person choose your product over its competitors?

The VAT API's answer

Offers mature, stable service since 2015, scalable AWS infrastructure, direct integration with official EU Commission and HMRC tools, and built-in VAT-compliant invoicing.

User comments

Share your experience with using The VAT API and React Engine. For example, how are they different and which one is better?
Log in or Post with

Social recommendations and mentions

Based on our record, React Engine seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

The VAT API mentions (0)

We have not tracked any mentions of The VAT API yet. Tracking of The VAT API recommendations started around Jun 2025.

React Engine mentions (1)

  • react-engine vs other template engines
    I was wondering to use paypal's React Engine (https://github.com/paypal/react-engine), but I have some doubts:. Source: over 4 years ago

What are some alternatives?

When comparing The VAT API and React Engine, you can also consider the following products

vatlayer API - Free VAT Validation & EU VAT Rates API

VatStack - Simplify VAT & GST for your digital business.

Vatcheckapi.com - Automate your VAT validation process with our real-time EU VAT number validation API.

Taxid.dev - TaxID is a developer-first API to validate VAT and tax IDs across 31 countries โ€” 27 EU member states via VIES, plus UK, Switzerland, Norway, and Australia. Stripe-style errors, JSON responses, 100 free validations/month.

hellotax - Put your VAT compliance on autopilot - for free

Octobat - Octobat providesย automated tax-compliance andย accounting for digital businesses.