I need to do this call

axios.get(http://127.0.0.1/myapi/test.php).then((response) => {

})

If I do this call all is ok and HTTP method is GET, but if I change to this

var config = {

    headers: {X-Id-Token: abc123abc123}

};

axios.get(http://127.0.0.1/myapi/test.php, config).then((response) => {

})

The HTTP method is OPTIONS and the call fails, why?

EDIT

I'm runnig reactjs project with node (localhost:3000) and I call php api on IIS (http://127.0.0.1/myapi)

SOLUTION

Axios client makes a ping request for to check if address is reachable.
So, the first call is in OPTIONS method, later calls are in GET.