API stands for Application Programming Interface which in a nutshell refers to a user-friendly interface to the backend and databases of websites. For instance, the amazon API is an interface where webmastes can log into to access the massive amazon database of prodcuts.
Now for the gravey… How can you use APIs for SEO. Simple… Content! Fresh Content… and plenty of it!
The trick here though is not to use a single api becasue most likely many other webmasters have beat you to it and therefore it will appear as duplicate content to the search engines. The key is to use a mashup of various APIs and to create a unique combination that has not been used before.
Here’s a great link to a comprehensive list of APIs to get you started. Have fun!
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