Zip Code Galore!
Zip·po·pot·amus /ˈzipōpätəməs/
Postal Codes and Zip Codes made easy
Free API with JSON Response Format
Over 60 Countries Supported
Perfect for Form Autocompletion
Open for Crowdsourcing and Contribution
Easily check if a certain e-mail address is valid. Is it a valid domain? Is the e-mail a temporary/disposable e-mail? That's a common indicator of spamming/trolling, so now there's an API for you so you can easily block it!
A privacy-friendly, new generation, highly accurate anti-spam filter for contact forms, comment systems, blogs, live chat- the limit is your creativity!