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

Breakroom
VeeR VR
MeetinVR
VRChat
Avatar SDK
SpatialChat
Morning Brew
Collaborate from anywhere in AR

Which is more popular?
Based on our record, Spatial seems to be more popular. It has been mentioned 23 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | spatial.io |
| Pricing | — | |
| 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 Spatial yet.
What each product offers, as listed by its team.

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Why this product is good
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Overall verdict
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Spatial Review - Collaborating in AR
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Share your experience with using ZIP Code API and Spatial. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Playing Into the Cyberverse on spatial.io by Protocol Gemini has got me into the habit of looking for hidden messages everywhere. Source: about 3 years ago
Why not a community in spatial.io or something? Source: over 3 years ago
There are many metaverses. Some accessed via sites (like Decentraland,) others you have to download a 3D client (like Second Life)- I'd suggest you do a google search for common metaverses. You could also try spatial.io which is quick... Source: over 3 years ago
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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The 3D social hub for remote teams & virtual events
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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