
productboard
Aha!
ProdPad
Roadmunk
airfocus
Roadmap
Canny.io
Cloud-based product roadmap software solution
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

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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 | productplan.com | zip-codes.com |
| Pricing | — | |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of ProductPlan 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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Recommended for
Overall verdict
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ProductPlan Roadmap Software: Features Overview
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ProductPlan is a simple but powerful product roadmap software that lets you organize your ideas, create visual roadmaps, and share them with your team. You can use it for free for up to 5 users or pay $49 per month...
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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