
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.

ShareVault
EthosData
Dropbox DocSend
iDeals Virtual Data Room
Drooms
Digify
Kasm
CapLinked provides simple and secure virtual data room solutions for online document sharing and management. Enterprise-grade security and 24/7/365 support.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | postaldatapi.com | caplinked.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 CapLinked yet.
What each product offers, as listed by its team.


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Recommended for
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Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
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Caplinked Virtual Data Room - Full Demo
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When comparing PostalDataPI and CapLinked, 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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ShareVault provides Virtual Data Rooms for secure document sharing during due diligence and other business critical processes.
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We help businesses improve UX and data quality with a cutting edge address validation service.
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EthosData is a full-service solution provider, transforming the way businesses manage their data.
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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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Dropbox DocSend is a secure file and document sharing solution that gives users analytics and control of document in their critical workflows. Key features include sending documents as secure links, eSignature, and customizable virtual data rooms.
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