Hey Siri
Google Home
Google Assistant
Hound
Whyd
Google Trends
BotTalk
Explore over 150 Google Now voice commands in one place
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

Which is more popular?
Based on our record, OK Google seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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OKG
OK Google
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ZIP
ZIP Code API
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|---|---|---|
| Website | ok-google.io | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.
No description of OK Google yet.
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...
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 OK Google yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
OK Google!!! #MakeGoogleDoIt
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.
Share your experience with using OK Google and ZIP Code API. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.
Https://ok-google.io - list of commands that you can ask Google's voice assistant. Source: over 4 years ago
Tracking ZIP Code API since May 2026.
When comparing OK Google and ZIP Code API, you can also consider the following products.

Commands you can use on your iOS and macOS Devices
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Get things done with Google Assistant
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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