
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.

TailScale
Pagekite
localhost.run
Pinggy.io
Requestly
LocalXpose
Webhook.site
ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Which is more popular?
Based on our record, ngrok seems to be more popular. It has been mentioned 431 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | postaldatapi.com | ngrok.com |
| 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 ngrok 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 ngrok yet.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
EQUIP | The making of ngrok - Alan Shreve (ngrok)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


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Exposing local web services to the internet is essential for web developers, but it can be a bit challenging. Ngrok has been the most popular tool for this job, but it's not the only option out there. In this article,...
ngrok provides tunnels for ingress through its programmable network edge. Additionally, it offers observability as well as the ability to change traffic parameters such as headers on the go to your apps with no code...
For example, let’s say you have a web project on your machine written in Python using the Django framework. Your local server will probably run on an URL like http://localhost:8000 ― which is only accessible on your...
Recommendations tracked on public social media and blogs since March 2021.


Tracking PostalDataPI since Apr 2026.
The simplest way during development is ngrok, which exposes your local port on a public HTTPS address:. - Source: dev.to / 1 day ago
Ngrok, free, for testing on your own computer. - Source: dev.to / about 1 month ago
Build it, run it, and expose it with ngrok for remote access:. - Source: dev.to / 5 months ago
When comparing PostalDataPI and ngrok, 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 ngrok:

Private networks made easy Connect all your devices using WireGuard, without the hassle. Tailscale makes it as easy as installing an app and signing in.
Compare TailScale to PostalDataPI or ngrok:

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


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 ngrok:

Instantly share your localhost environment!
Compare localhost.run to PostalDataPI or ngrok: