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

Simple Poll
Troops
Zapier
Obie.ai
Trello Bot
Zoom.ai
Water Cooler Trivia
Polly. Polly is an advanced loop optimization infrastructure for LLVM, which uses an abstract loop model based on integer sets to analyze and transform the program code. Website: polly. llvm. org .

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 | launchpad.net |
| 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 Polly yet.
What each product offers, as listed by its team.

Possible disadvantages
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Recommended for
Overall verdict
Why this product is good
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i SPENT £300 on OH POLLY!🤧 ~ honest review ~ try on haul 💖
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Polly is a resilient and transient-fault-handling library for .NET. Developers can specify policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a thread-safe manner.
Polly is a software for conducting surveys and to measure your critical workflows. Polly allows integrating a feedback mechanism in various handy applications such as Slack, Hangouts and Microsoft Teams. Furthermore,...
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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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Vauxhall Troops offers loyalty discounts if the car is purchased from us and we include this in your reminder. All used cars come with 12 Months MOT as Standard, Vauxhall Troops quote a competitive fixed price for any work required.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
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