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

Wispr Flow
superwhisper
Aqua Voice
Typeless
MacWhisper
Willow Voice
Spokenly
Voice Keyboard that Understands Your Personal Context

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 | talktastic.com |
| 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 TalkTastic yet.
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Talktastic Review: A Worthy Rival to Superwhisper?
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Speak naturally, write perfectly & 4x faster in every app
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Extremely accurate, AI powered, voice to text for macOS
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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