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Phone number validation API: line type, carrier and formats for 243 countries. Clean CSV lists and Google Sheets in one upload. 1,000 free lookups a month.

Low End Box
VPS and cloud server prices, compared at the same size

Which is more popular?
Based on our record, Veriphone seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | veriphone.io | stackrates.ai |
| Pricing | ||
| Company | Startup from the United Kingdom · 1 - 9 employees · 2019 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Veriphone is a phone number validation API for developers and teams that collect phone numbers. One REST call tells you whether a number is valid and returns its country, line type (mobile, landline, VoIP, toll-free), carrier, region, and E.164, international and local formats, for 243 countries....
StackRates is a price index for VPS and cloud servers. It reads list prices from 46 providers, from their own pages and price APIs, compares plans at the same memory, and shows the date and source of every number. Free, no account. How it differs from what you may use now: - Low End Box publishes...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.


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


Veriphone is a great value for the price. We cleaned up 1000s of phone numbers in minutes + the support is fast and affective.
We have no reviews of StackRates yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Https://veriphone.io If I remember correctly if the carrier is not listed it is most likely a VoIP number. Not much you can do on your end. Source: about 5 years ago
Veriphone.io — Global phone number verification in a free, fast, reliable JSON API. 1000 requests/month. - Source: dev.to / over 5 years ago
Tracking StackRates since Oct 2026.
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