Wheel of Names
Spin The Wheel Of Names
RANDOM.ORG
Random Wheel Spin
Wheel Decide
Wheel Spinner App
Spin The Wheel Generator
Random Data Monster is a comprehensive suite of advanced random data generation that features generating secure passwords, names, numbers and more than 30+ Google Sheets custom functions to generate random data.

Abstract APIs
Numverify
GlobalEntity API
mailboxlayer API
IBAN.com
VAT-calc.net
Melissa Data Quality
A powerful REST API for validating emails, IBANs, BIC/SWIFT codes, LEI, ISIN, credit cards, VAT numbers, phone numbers, and 70+ more validators. Free tier available.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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RDM
Random Data Monster
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| Website | randomdata.monster | isvalid.dev |
| Pricing | — | |
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| Listed in |
In their own words, as submitted to SaaSHub.

No description of Random Data Monster yet.
IsValid is a validation API service for developers who need to quickly verify data formats without building their own validators. It offers 40+ endpoints covering financial identifiers (IBAN, BIC, ISIN, CUSIP), international standards (ISBN, ISSN), technology formats (UUID, JWT, QR codes),...
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As answered by people managing Random Data Monster and IsValid.dev.
IsValid.dev's answer:
IsValid offers 70+ validators in a single API — covering financial identifiers (IBAN, BIC, ISIN, LEI), international standards (ISBN, ISSN), technology formats (UUID, JWT, QR codes), tax numbers (VAT, REGON, PESEL), credit cards, phone numbers, and more. No need to integrate multiple services for different data types.
IsValid.dev's answer:
Most validation APIs focus on one category (email or phone). IsValid covers financial, regional, and technical formats all in one place with a consistent REST API. The free tier with 100 calls/day requires no credit card, and integration takes minutes.
IsValid.dev's answer:
Developers and software teams building applications that handle user input, financial data, or international identifiers — particularly in fintech, e-commerce, and SaaS products.
IsValid.dev's answer:
IsValid was built out of frustration with piecing together multiple validation libraries and services. The goal was a single, reliable API that handles the full range of data validation needs developers encounter in real-world applications.
IsValid.dev's answer:
Next.js, Fastify, PostgreSQL, Docker
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