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

Sampulator
Splice Beat Maker
Google Music Lab
Ramsophone
Lily
SunVox
Radium
Join blocks together to build sounds with this web-based music making app.

Which is more popular?
Based on our record, BlokDust 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 | zip-codes.com | blokdust.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 BlokDust 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 BlokDust yet.
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BlokDust - First Test of Self-Playing Environments
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and BlokDust. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
u can make something online pretty easy. Beepbox makes melodies. You can make drum beats with this thing. I love this program for texture and noise called blokdust. And obxd is super fun to play around with. Source: over 5 years ago
When comparing ZIP Code API and BlokDust, 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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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Make and share beats in your browser
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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 BlokDust:
Interactive experiments that use the Web Audio API
Compare Google Music Lab to ZIP Code API or BlokDust: