I am working on Jasmin SMS gateway, im follow the documentation. create user,group, mtrouter and success binding to my provider. but when i try send sms http://127.0.0.1:6600/send?username=ojgr12hnds&password=123ggfds&to=62852740&content=hello
jasmin response is Error "Mandatory argument [to] is not found."
If you are using Restful API then you need proper JSON structure. In case of http api try testing using curl: