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

OptimoRoute
Route4Me
Flightmap
ElasticRoute
Locus Dispatcher
FleetUp
RoadWarrior
Find the best road trip to multiple locations. Sort the order of your destinations for the fastest itinerary. Saves time and money.

Which is more popular?
Based on our record, RouteXL 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 | routexl.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 RouteXL 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
No analysis of RouteXL yet.
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Install RouteXL app on iPhone
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and RouteXL. 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.
Pizza places could simply use something like this for about 30 bucks a month. https://routexl.com/. Source: about 5 years ago
When comparing ZIP Code API and RouteXL, 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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OptimoRoute system helps companies plan efficient routes and schedules for delivery drivers and...
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Fleet route planning & route optimization software for SMBs
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Flightmap lets you keep track of all your flights (past and future), and turns them into...
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