
getAddress.io
PostalCodes.info
Primo Postcodes
Zipcodestack
Ideal postcodes
Fetchify
Plus Codes by Google
API for finding UK postal addresses - More Checkouts, Higher Conversion Rate, Less Data Entry & Better Accuracy.

Mailflow.sh
Stackmail is a webmail service whereby you can log in to your emails from any browser at any time!

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | robopostcodes.com | stackmail.com |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


Unlimited UK Postcode Lookups just £25 per month! - API for finding UK postal addresses - More Checkouts, Higher Conversion Rate, Less Data Entry & Better Accuracy.
No description of StackMail yet.
What each product offers, as listed by its team.


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


Share your experience with using Robo Postcodes and StackMail. For example, how are they different and which one is better?
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A simple API for finding UK postal addresses
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A self-hosted, unified webmail client. Connect multiple IMAP/SMTP accounts and manage them all in one clean interface.
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Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
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UK Postcode Address Lookup API - Maximise E-Commerce Checkouts, Increase Conversions, Reduce Data Entry & Improve Accuracy.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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We help businesses improve UX and data quality with a cutting edge address validation service.
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