
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.

Low End Box
VPS and cloud server prices, compared at the same size

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | postaldatapi.com | stackrates.ai |
| 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,...
StackRates is a price index for VPS and cloud servers. It reads list prices from 46 providers, from their own pages and price APIs, compares plans at the same memory, and shows the date and source of every number. Free, no account. How it differs from what you may use now: - Low End Box publishes...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
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 StackRates yet.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
No StackRates videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PostalDataPI and StackRates. For example, how are they different and which one is better?
When comparing PostalDataPI and StackRates, 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.
Compare Postio.co.uk to PostalDataPI or StackRates:

Cheap VPS hosting providers listing & reviews.
Compare Low End Box to PostalDataPI or StackRates:

We help businesses improve UX and data quality with a cutting edge address validation service.
Compare Ideal postcodes to PostalDataPI or StackRates:

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.
Compare Fetchify to PostalDataPI or StackRates:

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to PostalDataPI or StackRates:

Build Confidence in your data with Data8. We are the UK's Premier Data Solutions Provider for all your data validation needs, Contact us today for more information.
Compare Data8 UK to PostalDataPI or StackRates: