instamojo integration
curl https://www.instamojo.com/api/1.1/payment-requests/ \
--header "X-Api-Key: d82016f839e13cd0a79afc0ef5b288b3" \
--header "X-Auth-Token: 3827881f669c11e8dad8a023fd1108c2" \
--data "allow_repeated_payments=False&amount=2500&buyer_name=John+Doe&purpose=FIFA+16&redirect_url=http%3A%2F%2Fwww.example.com%2Fredirect%2F&phone=9999999999&send_email=True&webhook=http%3A%2F%2Fwww.example.com%2Fwebhook%2F&send_sms=True&email=foo%40example.com"