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
MacWhisper
Aqua Voice
TalkTastic
Typeless
Otter.ai
Willow Voice
Extremely accurate, AI powered, voice to text for macOS

Which is more popular?
Based on our record, superwhisper seems to be more popular. It has been mentioned 17 times 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 | zip-codes.com | superwhisper.com |
| Pricing | — | |
| 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 superwhisper yet.
What each product offers, as listed by its team.

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

Overall verdict
Why this product is good
Recommended for
No analysis of superwhisper yet.
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SuperWhisper AI Review | The BEST Speech to Text Software in 2023
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and superwhisper. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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SuperWhisper uses Whisper AI for a completely different purpose: voice-to-text dictation. Press a hotkey, speak, and SuperWhisper types your words directly into whatever app you're using — email, Slack, your code...
Whisper-based tools (MacWhisper, Contextli, Superwhisper) are generally more accurate than Mac's built-in dictation, especially for technical terms, accents, and background noise. However, Mac's built-in dictation on...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
The user answered: "What kind of mobile app?"="i already have flutter setup in my system, lets use flutter, what do you say?", "Which UPI ID should the payment QR use?"="Personal UPI ID", "Which Whisper model?"="I already have installed... - Source: dev.to / 16 days ago
Monologue and Superwhisper are my go-tos: https://www.monologue.to/ https://superwhisper.com/. - Source: Hacker News / about 1 month ago
I'll use Raycast Dictation throughout this article, but the same approach works with other tools such as VoiceInk, superwhisper, or Wispr Flow. Pick whichever one suits you best! - Source: dev.to / 4 months ago
When comparing ZIP Code API and superwhisper, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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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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High Quality Text Transcription with OpenAI's Whisper on Mac
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or superwhisper:

Aqua Voice is a voice-driven document editor that lets you edit documents using just your voice. Instead of transcribing what you said, Aqua Voice writes what you meant.
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