
Loqate
Fetchify
getAddress.io
Primo Postcodes
SAP Data Management
Smarty
LexisNexis MemberPoint
We help businesses improve UX and data quality with a cutting edge address validation service.

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 should be more popular than Ideal postcodes. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | ideal-postcodes.co.uk | zipcodestack.com |
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| Listed in |
In their own words, as submitted to SaaSHub.


We provide address validation services. Our robust and effortless API is trusted by businesses over a billion times a month. Our innovative services are the most fully-featured address validation tools available. Access accurate rooftop geolocations, UPRNs and further premium datasets to enhance...
No description of Zipcodestack yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Ideal postcodes yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Postcode Lookup and Address Finder Demo
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Ideal postcodes and Zipcodestack. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Access to Royal Mail data is licensed, which means it cannot be freely used, shared, or redistributed. Most developers don’t access it directly, but through official distributors and resellers such as Ideal Postcodes, Postcoder, or Loqate. - Source: dev.to / 5 months ago
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 Ideal postcodes and Zipcodestack, you can also consider the following products.

The Standard in Global Address Verification
Compare Loqate to Ideal postcodes or Zipcodestack:
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
Compare ZIP Code API to Ideal postcodes or Zipcodestack:

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 Ideal postcodes or Zipcodestack:
Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
Compare PostalCodes.info to Ideal postcodes or Zipcodestack:

A simple API for finding UK postal addresses
Compare getAddress.io to Ideal postcodes or Zipcodestack:

Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
Compare ZipCheckup to Ideal postcodes or Zipcodestack: