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

productboard
ProductPlan
Canny.io
Aha!
Roadmunk
ProdPad
Usersnap
Collision avoidance for projects and people

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 | onroadmap.com |
| Pricing | — | |
| 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 Roadmap yet.
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
Roadmap is recommended for project managers, product development teams, and organizations that need a flexible and intuitive platform for planning, tracking, and executing projects. It's particularly beneficial for those who work in collaborative environments or require integration with other tools in their workflow.
Walkthroughs and reviews on video.
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New World MMO: Roadmap Timeline Plus Mini Alpha Review. Complete Breakdown Of Whats Next.
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Roadmap. For example, how are they different and which one is better?
When comparing ZIP Code API and Roadmap, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Beautiful and powerful product management.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Cloud-based product roadmap software solution
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
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