
Yardi Voyager
AppFolio
Innago
Entrata
Rezlynx PMS
Newbook
Propertyware
Property management software for commercial real estate work orders, preventative maintenance and inspections.
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 | buildingengines.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 Building Engines 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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How often each product is chosen within a category, 0–100% relative to the other.

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When comparing Building Engines and ZIP Code API, you can also consider the following products.

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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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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AppFolio is the premier online property management software for modern residential and rental property managers. Try it free today.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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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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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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