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

Square
Toast
Heartland Retail
ITSCircle POS
Vantiv
QuickBooksPOS
StoreHub
Retail point-of-sale, inventory management, and omnichannel payment processing systems.

Which is more popular?
Based on our record, Lightspeed 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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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | lightspeedhq.com |
| 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 Lightspeed 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
Why this product is good
Recommended for
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 ZIP Code API and Lightspeed. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

We have no reviews of ZIP Code API yet. Be the first one to post
Why I picked Lightspeed Retail: Lightspeed Retail offers robust features for tracking inventory across multiple locations and channels. It allows you to easily manage stock levels, receive notifications for low stock,...
LightSpeed's real-time inventory tracking feature is invaluable for small business owners. Having access to real-time data enables you to make informed decisions, optimize stock levels, and ultimately increase...
A solution is offered by LightSpeed Retail for restaurants, e-commerce, and retail. It is a Canadian business that offers POS and online shopping software. The business offers Lightspeed Retail support round-the-clock.
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Lightspeed is the biggest. They do everything rewards, integration into other things, online and b&m POS lightspeedhq.com. Source: about 5 years ago
When comparing ZIP Code API and Lightspeed, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Built to make restaurants better. Toast gives your restaurant the technology you need to succeed in today's fast-paced environment.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or Lightspeed:

Heartland Retail (previously Springboard Retail) POS software a robust, user-friendly cloud point of sale solution designed for the business of retail. A complete retail management platform built for growing single, multi and franchise brands.
Compare Heartland Retail to ZIP Code API or Lightspeed: