published on November 4, 2013 in technical
1. REST Countries
REST Countries allows you to get general information about countries in the world. You can also list all the countries in the world if you need to store that somwhere in your application.
2. JSON IP and GeoIP REST API
If you are familiar with MaxMind services, it will be easy to use this one.
timezonedb is a timezone database, which can be either downloaded or queried with their API. To be able use the API you need to register.
OpenWeatherMap is a free weather and forecast data API. “The OpenWeatherMap service provides free weather data and forecast API suitable for any cartographic services like web and smartphones applications”
5. mailgun – Free email validation API
mailgun has a free email validation API service. It is quite easy to use and seams to validate existing domains.
6. The nicest one: Open Beer Database