I have already asked a question about IP Authentication here: TastyPie Authentication from the same server
However, I need something more! An IP address could be very e
As suggested by Venkatesh Bachu, Same Origin Policy and http://en.wikipedia.org/wiki/Cross-Origin_Resource_Sharing (CORS) could be used as a solution. In your API, you can check Origin header and respond accordingly. Need to check if Origin header can be modified by using extensions like tamper data. A determined hacker can still snoop by pointing browser to a local proxy server.