
Innago
Yardi Voyager
Buildium
Building Engines
Rezlynx PMS
Propertyware
Entrata
AppFolio is the premier online property management software for modern residential and rental property managers. Try it free today.
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, AppFolio 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 | appfolio.com | zip-codes.com |
| Pricing | — | |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of AppFolio 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.

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An editorial look at what each product does well and who it suits.

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Recommended for
Walkthroughs and reviews on video.
AppFolio: 5 Fast Facts
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Share your experience with using AppFolio 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.

Extracted property listings from an account at appfolio.com and incorporated the data into a WordPress site. Source: over 5 years ago
Tracking ZIP Code API since May 2026.
When comparing AppFolio and ZIP Code API, you can also consider the following products.

Innago offers a cloud-based property management platform for landlords with small to midsize property portfolios. Innago is 100% free to use and comes with a long list of affordable features.
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Voyager is software for managing properties and the people who live there. The software is developed by Yardi, a company founded in 1984 that specializes in property management software. Read more about Yardi Voyager.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Buildium's software helps property management companies become more efficient and profitable. Start your free trial today, no credit card required!
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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