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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

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Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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| Website | nintex.com | zip-codes.com |
| Pricing | — | |
| Company | Startup from the United States · 250 - 499 employees · 2006 | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Nintex yet.
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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Streamline Document Review & Approval Processes with Nintex for Office 365
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External articles and on-site reviews we used to compare the two products.

“Nintex generates papers, forms, and maps, among other elements that allow for seamless communication and workflow between departments and teams by synchronizing and conducting activities in cooperation on a single...
Any business process that requires approvals, particularly if those approvals change, is well suited to manage using the Nintex Platform. Nintex also includes a robotic process automation tool that enables the...
Nintex will help eliminate the manual and repetitive work with automated workflows and capture information faster in the proper manner. It can monitor the processes to identify and quickly address the issues and point...
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When comparing Nintex and ZIP Code API, you can also consider the following products.

Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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