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

Document AI by Relevance
AI editing co-pilot for Google Docs offering smart, real-time edits for you to approve.

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 | getpointer.ai |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from Serbia · 2024 |
| 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...
Pointer is your AI copilot, working directly within Google Docs to offer smart, real-time edits. Say goodbye to manual copy-pasting from ChatGPT and fixing broken text formatting. Enjoy efficient, polished suggestions that you can easily approve. Imagine having an intern who follows your exact...
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
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Pointer for Google Docs. For example, how are they different and which one is better?
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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ridiculously cheap bulk geocoding turn US street addresses into map coordinates and map coordinates into street addresses using our straightforward REST API
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