
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.

Purp
Things
Everyday
Angstrom.Life
Habit
Karma Smart Habit Tracker
Nirow
Achieve daily goals and build your personal streak ๐ฅ
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | postaldatapi.com | streaky.co |
| Pricing | ||
| Company | Startup from the United States ยท 1 - 9 employees ยท 2026 | โ |
| 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 โ $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code โ city, state/region, coordinates,...
No description of Streaky 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 Streaky yet.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code โ for 240+ Countries
More videos
NEUMANN KH310A STUDIO MONITORS - Streaky Review
More videos
How often each product is chosen within a category, 0โ100% relative to the other.


Share your experience with using PostalDataPI and Streaky. For example, how are they different and which one is better?
When comparing PostalDataPI and Streaky, 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 Streaky:


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


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 Streaky:
