
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.

ngrok
localhost.run
Pinggy.io
sish
zrok
Pagekite
LocaltoNet
Your network without the IT work. Radically simple, always-on tunneling service for mission-critical applications.
Which is more popular?
Based on our record, LocalXpose seems to be more popular. It has been mentioned 16 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | postaldatapi.com | localxpose.io |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | Startup from the United States · 1 - 9 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,...
LocalXpose is a SaaS reverse proxy solution that makes it incredibly easy to share any application running on your local network with the world, securely. LocalXpose removes the frustration of dealing with complex network configurations (NATs, firewalls) that typically prevent you from accessing...
What each product offers, as listed by its team.


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 LocalXpose yet.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing PostalDataPI and LocalXpose.
LocalXpose's answer:
LocalXpose serves two main segments: (1) Full-stack developers who need reliable webhook testing and API development tools, and (2) B2B technology integrators managing distributed systems - particularly in restaurant POS, retail systems, industrial IoT, and building management. LocalXpose is built for technical teams at growing companies who need enterprise reliability without enterprise complexity.
LocalXpose's answer:
LocalXpose provides managed tunneling infrastructure that bridges the gap between consumer-grade tools and enterprise complexity. LocalXpose offers production-ready tunneling with UDP support, custom domains, and white-label options, while maintaining the simplicity of setup that developers expect. Unlike self-hosted alternatives, LocalXpose handles all infrastructure, SSL certificates, and scaling automatically.
LocalXpose's answer:
Choose LocalXpose if you need reliable tunneling without the operational overhead. LocalXpose is excellent for webhook testing, remote device management, and B2B integrations. Key advantages: production-ready from day one, UDP protocol support (rare among competitors), transparent pricing without usage surprises, and responsive founder-led support. Best fit for teams that need tunneling to work reliably without becoming networking experts.
LocalXpose's answer:
"LocalXpose was founded to solve a frustration we experienced firsthand: existing tunneling solutions were either too unreliable for production use or required extensive networking expertise to deploy. We built LocalXpose as the tunneling service we wished existed - powerful enough for production, simple enough to start using immediately, and backed by support from people who actually understand the technical challenges our customers face."
LocalXpose's answer:
LocalXpose runs on a distributed architecture using Go for high-performance tunnel servers, with automatic SSL certificate management via Let's Encrypt. The service supports multiple protocols including HTTP/HTTPS, TCP, and UDP (unique among major providers). The client application offers a GUI with request/response and webhook inspection tools, and supports enterprise features like custom domains and IP whitelisting.
LocalXpose's answer:
Share your experience with using PostalDataPI and LocalXpose. 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
LocalXpose is a reverse proxy tool that provides a public URL to localhost. By simply downloading their client you can create HTTP / HTTPS tunnels, and also TCP / TLS as well as UDP tunnels. Among the three it is the...
LocalXpose is the last tool in my list and a simple reverse proxy that helps you expose localhost to the internet. This is a different tool than others I have mentioned in the list. The best part is that it comes with...
Recommendations tracked on public social media and blogs since March 2021.


Tracking PostalDataPI since Apr 2026.
The tunnel host appears to be a Hetzner server, they are pretty generous with bandwidth but the interesting thing I learned about doing some scalability improvements at a similar company [0] is that for these proxy systems, each... - Source: Hacker News / 11 months ago
LocalXpose - Looks like a solid paid option, with a limited free tier. - Source: dev.to / over 2 years ago
LocalXpose — Reverse proxy that enables you to expose your localhost servers to the internet. The free plan has 15 minutes tunnel lifetime. - Source: dev.to / over 2 years ago
When comparing PostalDataPI and LocalXpose, 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.
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ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
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We help businesses improve UX and data quality with a cutting edge address validation service.
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Instantly share your localhost environment!
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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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Public URLs for localhost without downloading any binary
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