
Accela
GovPilot
AWS GovCloud
CivicPlus
GovDelivery
Granicus
Revize CMS
Transparency & Budgeting Software for Local Governments | ClearGov
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?
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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| Website | cleargov.com | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of ClearGov 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...
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
ClearGov is recommended for local government officials, finance professionals in municipalities, and public administrators who are looking to streamline budgeting processes and improve transparency in their financial operations. It can also be beneficial for government agencies focused on community engagement and public trust.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
ClearGov Employee Reviews - Q3 2018
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How often each product is chosen within a category, 0–100% relative to the other.

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When comparing ClearGov and ZIP Code API, you can also consider the following products.

Accela provides government software that streamlines land, permitting, asset, licensing, legislative management, and resource management.
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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GovPilot is a cloud-based government management platform that aims to improve the efficiency and performance of governmental organizations with an affordable and scalable software-as-a-service (SaaS).
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Isolated AWS Region designed to allow US government agencies and customers to move sensitive workloads into the cloud.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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