
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.

Which is more popular?
Based on our record, TailScale seems to be more popular. It has been mentioned 556 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | postaldatapi.com | tailscale.com |
| Pricing | ||
| Company | Startup from the United States · 1 - 9 employees · 2026 | Startup from Canada · 10 - 19 employees · 2019 |
| 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 TailScale 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
The Byte - Tailscale Private networks made easy
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PostalDataPI and TailScale. 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
Tailscale allows you to create a secure virtual private network between your servers, computers, and cloud instances using the WireGuard protocol from a binary executable.
They make the already great wireguard even better! Installation and configuration is a breeze, can easily connect to machines behind firewall(s) without altering anything. Definitely made life easier.
Recommendations tracked on public social media and blogs since March 2021.


Tracking PostalDataPI since Apr 2026.
Put your computer and phone on the same private network with Tailscale, so the computer is reachable from anywhere without opening ports. - Source: dev.to / 7 days ago
Tailscale connects the Mac and the phone in a private network. As long as the Mac is on and online, I can reach herdr from my phone, anywhere, and keep talking to the agents without carrying the computer. - Source: dev.to / 3 days ago
Besides a messaging channel, I also have Tailscale set up so I can access my server remotely. This allows me to still connect to my Kiro Crew instance from my phone even when I'm out and about. I've had this setup since well before Kiro... - Source: dev.to / 4 days ago
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We help businesses improve UX and data quality with a cutting edge address validation service.
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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.
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Netmaker automates mesh VPN's and software-defined networks using WireGuard.
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