Data.NASA.Gov is an Open Data project that is part of the NASA Open Government Initiative. Data.NASA.Gov opens up access to NASA datasets, including categories such as aeronautics, earth and space sciences, engineering, climate, and more. The data catalog is continually growing and the API provides access to current and future datasets.
The API is RESTful, returning responses in JSON format.
Space is big. Really big. That means a lot of information, and where there's data, there's opportunity for automation. Now, NASA wants your help to create new APIs for its extensive and ever-growing data archives. Launched in 2011, data.nasa.gov offers APIs for many different types of information--ranging from Mars Science Laboratory Raw Images to Annual Freedom of Information Act (FOIA) Reports--as JSON objects via a RESTful interface.