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

ReachOut Suite
Smart Service
ManageMart
Service Cloud Field Service
Oracle Siebel Field Service
Synchroteam
ClickSoftware
FORM.com is an enterprise mobile forms software and solutions perfect for optimizing online and offline inspection, audit, compliance operations and more.

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 | form.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 FORM.com yet.
What each product offers, as listed by its team.

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Recommended for
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Form.com Platform Overview
How often each product is chosen within a category, 0–100% relative to the other.

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We spent a long time looking for a product that could capture data online and offline, add logic and validation to the forms, empower our team to build their own questionnaires and also allow us to host the system in...
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Cloud Field Service Management software is a best-in-class solution that can help your business to grow. Invoicing, Estimating, Scheduling, Billing & Routes.
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