Event Webhook Go Code Example

We recommend using our official Go SDK, our client library with full documentation, when integrating with SendGrid's Inbound Parse Webhook.

In this example, we want to parse all emails at address@email.sendgrid.biz and post the parsed email to http://sendgrid.biz/upload

Given this scenario, the following are the parameters you would set at the Parse API settings page:

Hostname: email.sendgrid.biz
URL: http://sendgrid.biz/upload

To test this scenario, we sent an email to example@example.com and created the following code:

package main

import (


func Parse (w http.ResponseWriter, req *http.Request) {
        //Get Email Values
        to := req.FormValue("from")
        subject := req.FormValue("subject")
        body:= req.FormValue("text")

        //Get Uploaded File
        file, handler, err := req.FormFile("attachment1")
        if err != nil {
        data, err := ioutil.ReadAll(file)
        if err != nil {
        err = ioutil.WriteFile(handler.Filename, data, 0777)
        if err != nil {

func main() {
        http.HandleFunc("/upload", Parse)
        err := http.ListenAndServe(":3000", nil)
        if err != nil {
                log.Fatal("ListenAndServe: ", err)

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