ZIP Code API
Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
Codeanywhere
AWS Cloud9
Koding
replit
GitHub Codespaces
Codiad
CodeTasty
CloudShell
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
ZIP Code API
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Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
AWS Cloud9 - AWS Cloud9 is a cloud-based integrated development environment (IDE) that lets you write, run, and debug your code with just a browser.
Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack
Koding - A new way for developers to work.
PostalDataPI - The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages โ without spending a second on setup.