
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.

Sprig
Iterate
Owlie
Kissmetrics Funnel Report
Lookback Live
Checklist Design
SatisMeter
AI-powered, continuous research for product teams

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | postaldatapi.com | userleap.com |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | Startup from the United States · 10 - 19 employees · 2018 |
| 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 UserLeap 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 UserLeap yet.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
Product Showcase featuring UserLeap | Women In Product Conference 2021
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PostalDataPI and UserLeap. For example, how are they different and which one is better?
When comparing PostalDataPI and UserLeap, you can also consider the following products.

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Get the feedback you need to build better products
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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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A beautiful app for quick decision making with friends
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