
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.

Qminder
QLESS
Queue-it
Digiturnos
Appointment + QueueManagement
Skiplino
Quelines
Cut wait times with a queue management system for walk-ins and appointments—online booking, self-check-in, SMS alerts, and real-time analytics.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | postaldatapi.com | wavetec.com |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | Startup from the United Arab Emirates · 20 - 49 employees · 2010 |
| 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,...
Decrease customer wait times, improve waiting line management, and increase revenues with Wavetec’s enterprise Queue Management Solutions. Wavetec’s customer experience solutions are based on the Wavesphere Philosophy – ORGANIZE, ENGAGE & MEASURE waiting times and statistics from disconnected...
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
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How often each product is chosen within a category, 0–100% relative to the other.


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

Qminder works the way it sounds: It helps a company mind its queues.
Compare Qminder to PostalDataPI or Wavetec QMS:

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

QLESS offers queue management software solution.
Compare QLESS to PostalDataPI or Wavetec QMS:

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 Wavetec QMS:

Queue-it empowers organizations to deliver seamless user experiences and protect their brand reputation by controlling online traffic.
Compare Queue-it to PostalDataPI or Wavetec QMS: