easypost

Integration with EasyPost API for tracking shipments

Create EasyPost client

NewClient("[your_api_key]")

Create shipment tracker

c.GetTracker("[tracking_code]", "["carrier_name(optional)]")

it will create tracker in EasyPost and return pointer to Tracker and error. Error can be Payment required error, Unauthorized error or processing error

Create web hook handler

NewWebHookHandler([username], [secret]) it returns func(r *http.Request) (*Event, error) which can be used in http.HandleFunc

Get result from WebHook Event

r := http.Request{}
handler := NewWebHookHandler("username", "password")
e, err := handler(r)
res, err := e.GetResult()
switch res.(type) {
case *Tracker:
....
}