
Ideal postcodes
Fetchify
Loqate
getAddress.io
ConsumerCloudServices Consumer Address Finder
PostalCodes.info
Robo Postcodes
UK Postcode Address Lookup API - Maximise E-Commerce Checkouts, Increase Conversions, Reduce Data Entry & Improve Accuracy.

ZIP Code API
PostalCodes.info
ZipCheckup
Smarty
Geocode.xyz
Geoco.io
getAddress.io
Free Zip Code API - Free Postal Code Validation | Zipcodestack

Which is more popular?
Based on our record, Zipcodestack seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | primopostcodes.com | zipcodestack.com |
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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.


No analysis of Primo Postcodes yet.
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 Primo Postcodes and Zipcodestack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Primo Postcodes has been operating very smoothly and we are definitely reaping the rewards of the caching feature with about 20-25% of queries being retrieved from cache!
We have no reviews of Zipcodestack yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking Primo Postcodes since Feb 2023.
Using the zipcodestack API in your Node.js application is straightforward. You’ll first need to sign up for a free API key (it only takes a minute). Once you have your API key, you can call the REST endpoints using any HTTP client. Below... - Source: dev.to / 12 months ago
Zipcodestack - Free Zip Code API and Postal Code Validation. Ten thousand free requests/month. - Source: dev.to / over 2 years ago
I have seen this request pop up quite a few times. I did a quick search for free APIs of zipcode lookups. This one, named "zipcodestack" (I'm not in any way tied to, endorsing, or promoting them) seemed like a pretty good resource with... Source: about 3 years ago
When comparing Primo Postcodes and Zipcodestack, you can also consider the following products.

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REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah
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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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Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
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The Standard in Global Address Verification
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Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
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