Add JSON note in README

README.md

@@ -2,6 +2,8 @@
 
 A collective list of free JSON APIs for use in web development.
 
+A JSON encoding of all entries can be found [here](json).
+
 For information on contributing to this project, please see the [contributing guide](CONTRIBUTING.md).
 
 Please note a passing build status indicates all listed APIs are available since the last update. A failing build status indicates that 1 or more services may be unavailable at the moment.