Dev tools · alternatives · 2026

24 alternatives to ZUGFeRD Validator

Validate ZUGFeRD & XRechnung invoices via API or MCP

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   normbill▲3

   valid XRechnung — or the exact reason why not

   Jul 2026 · normbill.com · its alternatives →

2. 2
   Validator▲345

   Research and validate you micro saas ideas fast as Cheetah

   2024 · validator.help · its alternatives →

3. 3
   GetZugferd

   Create, Validate, Convert and Preview ZUGFeRD and XRechnung

   May 2026 · getzugferd.com · its alternatives →

4. 4
   InvoiceXML▲1

   Factur-X, ZUGFeRD, XRechnung, UBL. One API.

   May 2026 · invoicexml.com · its alternatives →

5. 5
   X(P)FeRD▲1

   Design single page XRechnung & ZUGFeRD conform e-invocies

   Mar 2026 · github.com · its alternatives →

6. 6
   Cursor for your API▲473

   Generate, edit, lint & test your API workflow in one place

   2025 · app.getelva.ai · its alternatives →

7. 7
   Validatorapp▲120

   Idea and MVP validation software

   2020 · validatorapp.com · its alternatives →

8. 8
   finisma▲6

   Free PDF → ZUGFeRD converter for the 2027 EU e-invoice law

   Jun 2026 · its alternatives →

9. 9WM
   We made an MCP Server so Cursor can build things from REST API docs▲102

   2025 · npmjs.com · its alternatives →

10. 10
    Rechnex▲2

    Convert PDFs to XRechnung & ZUGFeRD instantly

    Feb 2026 · rechnex.de · its alternatives →

11. 11
    Checker▲124

    Detect fake signups in under 200ms with an easy-to-use API

    2025 · its alternatives →

12. 12
    volder▲63

    Schema builder and data validation for javascript

    2022 · github.com · its alternatives →

13. 13
    BaseInvoice▲3

    Free EU e-invoice reader and validator

    Jun 2026 · baseinvoice.eu · its alternatives →

14. 14
    Config-file-validator – CLI tool to validate all your config files▲33

    Cross-platform CLI tool to validate configuration files across 18 formats. Syntax and schema validation with JSON Schema, XSD, and SchemaStore integration. Written in Go. - Boeing/config-file-validator

    2023 · github.com · its alternatives →

15. 15
    ApiHome▲73

    Home of API testing

    2022 · apihome.io · its alternatives →

16. 16
    Deep Email Validator▲51

    Validates regex, typos, disposable, dns and smtp. Contribute to mfbx9da4/deep-email-validator development by creating an account on GitHub.

    2020 · github.com · its alternatives →

17. 17
    Rust built open-sourced CLI tool for API specification validation▲23

    Stop half-done APIs! Cherrybomb is a CLI tool that helps you avoid undefined user behaviour by auditing your API specifications, validating them and running API security tests. - blst-security/cherrybomb

    2022 · github.com · its alternatives →

18. 18
    RechnungsFlow

    Easy germen E-Invoices, Deutsche E-Rechnungen Leichtgemacht

    Apr 2026 · its alternatives →

19. 19
    Facturwise▲1

    andate-ready ZUGFeRD & Factur-X invoicing, free to start

    May 2026 · facturwise.com · its alternatives →

20. 20
    ZUHAL▲3

    Hi HN, I’ve been working on Zuhal, an email validation service designed for developers and marketers who need to ensure their emails reach real inboxes. Zuhal checks for syntax, domain validity, MX records, disposable addresses, and deliverability risks — all via a simple REST API or bulk upload. I built this because I faced deliverability issues with email campaigns and wanted a tool that’s fast, accurate, and affordable. I'd love to hear your thoughts, feedback, or suggestions for improvements. Also curious about how you handle email list hygiene in your projects or companies. Here’s the…

    2025 · zuhal.io · its alternatives →

21. 21
    Structured data validator▲11

    A full-featured schema.org rich cards validation tool

    2020 · redirection.io · its alternatives →

22. 22MF
    My first open source project (micro check library)▲13

    Check types, regexps, presence, time and more...

    2015 · arasatasaygin.github.io · its alternatives →

23. 23
    Rapid Email Validator 2025▲13

    Privacy-first free email verifier | no storage | open source

    2025 · rapid-email-verifier.fly.dev · its alternatives →

24. 24SW
    site-wide HTML5 and CSS3 validator▲5

    2012 · markupvalidator.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →