
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.

NordVPN
ProtonVPN
Windscribe
OpenVPN
TunnelBear
Hotspot Shield
Mullvad
ExpressVPN is the worlds fastest VPN service.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | postaldatapi.com | expressvpn.com |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | Startup from British Virgin Islands |
| 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 ExpressVPN 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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
ExpressVPN review: Is it worth your money?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PostalDataPI and ExpressVPN. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of PostalDataPI yet. Be the first one to post
ExpressVPN is a popular choice for Spotify users, offering fast and secure connections to its vast network of servers. With a user-friendly interface and 24/7 customer support, ExpressVPN is perfect for music lovers.
ExpressVPN is one of the leading VPN providers in the world. The kill switch or the Network Lock in ExpressVPN ensures there’s no data or IP leak when the VPN tunnel is compromised. Furthermore, this software is...
ExpressVPN is deemed as one of the best VPN services to have ever existed, and we can see why. It offers a reliable and fast connection no matter where you live. With speeds up to 580Mbps and over 3000 servers,...
When comparing PostalDataPI and ExpressVPN, 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 ExpressVPN:

NordVPN offers VPN technology that encrypts data twice.
Compare NordVPN to PostalDataPI or ExpressVPN:

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

ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
Compare ProtonVPN to PostalDataPI or ExpressVPN:

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 ExpressVPN:

Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.
Compare Windscribe to PostalDataPI or ExpressVPN: