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?
Based on our record, TuneCore 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 | tunecore.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 TuneCore yet.
What each product offers, as listed by its team.

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

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Why this product is good
Recommended for
Overall verdict
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Tunecore Review - 2020: Digital Distribution
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They charge you $10 per single, per year to keep it uploaded and 50 for an album (30 for the first year), so lets say you have 2 albums and 5 singles up, that's $110 for the first year and $150 every year after that,...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Tunecore ($9.99/year per single and $29.99/year per album). Source: about 5 years ago
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