# README

This library allows you to quickly and easily use the SendGrid Web API via Go.

Announcements

BREAKING CHANGE as of 2016.06.14

Version 3.0.0 is a breaking change for the entire library.

Version 3.0.0 brings you full support for all Web API v3 endpoints. We have the following resources to get you started quickly:

Thank you for your continued support!

All updates to this library is documented in our CHANGELOG.

Installation

Setup Environment Variables

First, get your free SendGrid account here.

Next, update your environment with your SENDGRID_API_KEY.

echo "export SENDGRID_API_KEY='YOUR_API_KEY'" > sendgrid.env
echo "sendgrid.env" >> .gitignore
source ./sendgrid.env

Install Package

go get github.com/sendgrid/sendgrid-go

import "github.com/sendgrid/sendgrid-go"

Dependencies

The SendGrid Service, starting at the free level
rest

Quick Start

Hello Email

import (
	"encoding/json"
	"fmt"
	"github.com/sendgrid/sendgrid-go"
	"github.com/sendgrid/sendgrid-go/helpers/mail"
	"os"
)
from := mail.NewEmail("Example User", "[email protected]")
subject := "Hello World from the SendGrid Go Library"
to := mail.NewEmail("Example User", "[email protected]")
content := mail.NewContent("text/plain", "some text here")
m := mail.NewV3MailInit(from, subject, to, content)

request := sendgrid.GetRequest(os.Getenv("SENDGRID_API_KEY"), "/v3/mail/send", "https://api.sendgrid.com")
request.Method = "POST"
request.Body = mail.GetRequestBody(m)
response, err := sendgrid.API(request)
if err != nil {
    fmt.Println(err)
} else {
    fmt.Println(response.StatusCode)
    fmt.Println(response.Body)
    fmt.Println(response.Headers)
}

General v3 Web API Usage

import (
	"fmt"
	"github.com/sendgrid/sendgrid-go"
	"os"
)

func main() {
    request := sendgrid.GetRequest(os.Getenv("SENDGRID_API_KEY"), "/v3/api_keys", "https://api.sendgrid.com")
    request.Method = "GET"

    response, err := sendgrid.API(request)
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(response.StatusCode)
        fmt.Println(response.Body)
        fmt.Println(response.Headers)
    }
}