0d1239c2_PI_Directory___ProgrammableWeb__Category
[API Name] Webmention.io [Description] Webmention.io is an API designed to keep track of webmentions and pingbacks, both of which are methods of letting the author of a webpage know who is linking back to their page. The Webmention.io API... [Updated] 08.29.2013 [Category] 
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API Directory | ProgrammableWeb