
Qualys
Nessus
AlienVault USM (from AT&T Cybersecurity)
Tenable.io
Cloudfogger
BoxCryptor
Mega
Google Drive
ZIP Code API
Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America โ no separate APIs by country or data type.
pct_inside overlap percentage for spatial queries
Qualys
ZIP Code APIQualys is recommended for businesses of all sizes that need a cloud-based, scalable, and comprehensive security solution. It's particularly beneficial for organizations that require vulnerability management, compliance monitoring, and those operating in highly regulated industries where security is paramount.
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Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
AlienVault USM (from AT&T Cybersecurity) - AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.
Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack
Tenable.io - Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.
PostalDataPI - The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.