
Samsara
Onfleet
KeepTruckin
Azuga Fleet Management
GPS Insight
Dr Dispatch
GPSWOX
Easily manage vehicles and equipment with Fleetio, a modern fleet management software.
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?
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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| Website | fleetio.com | zip-codes.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

Fleetio's suite of cloud- and mobile-based fleet management solutions enables fleets of all sizes to automate fleet operations and manage asset lifecycles. Users can instantly access and update data regarding planned and unplanned maintenance, fuel, drivers, inspections, parts and much more....
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.

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
Walkthroughs and reviews on video.
Fleetio Product Demo: a modern fleet management solution
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Fleetio and ZIP Code API.
Fleetio's answer
Fleetio's answer
Fleetio launched in January 2012, and today thousands of people use Fleetio to manage hundreds of thousands of vehicles, equipment, parts, drivers and more. Over the years we've worked with fleets of 10 vehicles to many thousands, and our mission is still the same. We help organizations track, analyze and improve their fleet operations.
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When comparing Fleetio and ZIP Code API, you can also consider the following products.

Samsara is a service provider that helps businesses in increasing their safety, efficiency, and sustainability in their operation, which power the economy.
Compare Samsara to Fleetio or ZIP Code API:

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Onfleet's delivery management software simplifies your local deliveries from start to finish, allowing you to focus more on what really matters.
Compare Onfleet to Fleetio or ZIP Code API:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to Fleetio or ZIP Code API:

KeepTruckin is a trusted fleet management software program designed for the trucking industry.
Compare KeepTruckin to Fleetio or ZIP Code API:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to Fleetio or ZIP Code API: