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, Render seems to be more popular. It has been mentioned 511 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 | render.com |
| Pricing | — | |
| Company | Startup from the United States · 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 — 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...
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What each product offers, as listed by its team.

Possible disadvantages
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Overall verdict
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Recommended for
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Render is for developers and teams who need a cloud hosting solution for production applications. You can choose to deploy web services, APIs, background workers, static sites, and databases. Render is a good fit if...
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We followed the Deploy a Phoenix App with Mix Releases guide to deploy Phoenix and Postgres. First, we created our Phoenix app, updated for releases, added Render environment variable config, and added a...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
The archive. Everything lands in one static page: a chart of light, CO₂ and presence around each apparition, the testimony, the verdict and the evidence trail. The heavy work happens on my laptop, so Render only has to serve the result:... - Source: dev.to / 5 days ago
Hosting: Render web service and Key Value in Frankfurt for the demo, the shared job feed and the demo key's rate limits. - Source: dev.to / 16 days ago
▶ Try the online demo (中文), labeled sample data: the app's real page in your browser tab, with stand-ins for the two models, so its cards and replies are placeholders. Paste a line, pick a reply, edit it, add a profile; nothing leaves... - Source: dev.to / 16 days ago
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