
Postio.co.uk
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
RANDOM.ORG
GeneratorMix
Randommer
Random Number Generator
RandomReady
GraphPad Random number generator
RandomPicker.com
A random string generator that can take numbers, letters, symbols, Chinese characters and arbitrary...

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Website, pricing, platforms and company facts side by side.
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RR
Random-Required
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|---|---|---|
| Website | postaldatapi.com | coddec.github.io |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...
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Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
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When comparing PostalDataPI and Random-Required, you can also consider the following products.

Fast UK address, email & phone validation APIs for developers. Official Royal Mail PAF data. Pay as you go, 100 free lookups.
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RANDOM.ORG offers true random numbers to anyone on the Internet.
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We help businesses improve UX and data quality with a cutting edge address validation service.
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A place with hundreds of generators split into different categories from science to entertainment.
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Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.
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Generate random number, telephone numbers, text, hashed and social security numbers
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