Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
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
RANDOM.ORG
GeneratorMix
Randommer
Random Number Generator
RandomReady
GraphPad Random number generator
RandomPicker.com
A random string generator that can take numbers, letters, symbols, Chinese characters and arbitrary...

Which is more popular?
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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RR
Random-Required
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|---|---|---|
| Website | zip-codes.com | coddec.github.io |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.
API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
No description of Random-Required 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.
Overall verdict
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Recommended for
No analysis of Random-Required yet.
How often each product is chosen within a category, 0–100% relative to the other.
Share your experience with using ZIP Code API and Random-Required. For example, how are they different and which one is better?
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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