added Open Government

README.md

@@ -52,8 +52,9 @@ A collective list of JSON APIs for use in web development.
 | Abbreviation API | Get abbreviations and meanings | No |[Go!](https://market.mashape.com/daxeel/abbreviations) |
 | Callook.info API | United States ham radio callsigns | No |[Go!](https://callook.info) |
 | Celebinfo API | Celebrity information API | No |[Go!](https://market.mashape.com/daxeel/celebinfo/) |
+| Open Government | United State Government Open Data | No |[Go!](https://www.data.gov/) |
 
-### Exchange
+### Exchange 
 
 | API | Description | OAuth |Link |
 |---|---|---|---|