vscibts.gvddl.com:8081/intelligent/vehicle/login?userData={userName:"VARUN",password:"VARUN@123"}

<api xmlns="http://ws.apache.org/ns/synapse" name="usrepasswordAPI" context="/intelligent">
     <resource methods="OPTIONS GET" uri-template="/vehicle/login?userData=userName={userName}&password={password}">
  <inSequence>
     <send>
        <endpoint>
           <http method="GET" uri-template="https://gvscibts.gvddl.com:8081/intelligent/vehicle/login?userData=userName={uri.var.userName}&password={uri.var.password}"/>
        </endpoint>
     </send>
  </inSequence>
</api>