
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.
Addoncrop
Mozilla Add-ons
Plugins Addons Extensions
Browser-extensions.club
CRX4Chrome
ThemeBeta
Chrome Extension Downloader
A site to find the dopest Chrome extensions out there

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
e
extensions.af
|
|
|---|---|---|
| Website | postaldatapi.com | file-extension.org |
| 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 extensions.af 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 extensions.af yet.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
No extensions.af 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 extensions.af. For example, how are they different and which one is better?
When comparing PostalDataPI and extensions.af, 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 extensions.af:

Extends the functionality of your web browser
Compare Addoncrop to PostalDataPI or extensions.af:

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

Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.
Compare Mozilla Add-ons to PostalDataPI or extensions.af:

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 extensions.af:

Plugins Addons Extensions is a platform that provides a one-stop-shop for all the latest Chrome extensions that can help you to run your business.
Compare Plugins Addons Extensions to PostalDataPI or extensions.af: