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

YNAB
Mint
Rocket Money
PocketGuard
EveryDollar
Balance Pro
HomeBank
Social media sharing plugin for WordPress

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 | zip-codes.com | monarchapis.com |
| Company | Startup from the United States ยท 2026 | Startup from the United States |
| 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 โ no separate APIs by country or data type. What it does Address validation and standardization โ production-grade parser with ZIP+4 append, refreshed monthly Radius search โ centroid haversine and...
No description of Monarch yet.
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Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Researchers, bioinformaticians, and developers working in genomics, proteomics, and other biological data fields who require extensive, reliable data resources and user-friendly analysis tools.
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Best for: Couples who want a shared wealth-tracking dashboard and don't need disciplined budget execution. If it's down to Monarch and one other app, we've refereed the big matchups: YNAB vs Monarch and Copilot vs...
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