
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
Random Number Generator
Random-Required
RandomReady
Wheel of Names
GraphPad Random number generator
Generate random number, telephone numbers, text, hashed and social security numbers

Which is more popular?
Based on our record, Randommer seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | postaldatapi.com | randommer.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,...
No description of Randommer yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Randommer yet.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
Randommer - Generate Random Data
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PostalDataPI and Randommer. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking PostalDataPI since Apr 2026.
With your second program, refactor your first to use something like https://randommer.io/ to return the random number. That will be your ONLY API call. Look up JSON Deserialization for GET requests to see how you can get your API call's... Source: about 4 years ago
I have multiple websites on a DigitalOcean( ref link - you get 100$, I get $25) droplet (including Randommer - over 5000 daily visits) and I highly recommend it. Source: almost 5 years ago
When comparing PostalDataPI and Randommer, 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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Randomly generate integers or floating point numbers within a given range and specified discrete or continuous statistical probability distribution.
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