v3 API Go Code Example

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// using SendGrid's Go Library
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// https://github.com/sendgrid/sendgrid-go
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package main
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import (
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    "fmt"
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    "log"
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    "os"
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    "github.com/sendgrid/sendgrid-go"
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    "github.com/sendgrid/sendgrid-go/helpers/mail"
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)
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func main() {
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    from := mail.NewEmail("Example User", "test@example.com")
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    subject := "Sending with SendGrid is Fun"
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    to := mail.NewEmail("Example User", "test@example.com")
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    plainTextContent := "and easy to do anywhere, even with Go"
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    htmlContent := "<strong>and easy to do anywhere, even with Go</strong>"
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    message := mail.NewSingleEmail(from, subject, to, plainTextContent, htmlContent)
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    client := sendgrid.NewSendClient(os.Getenv("SENDGRID_API_KEY"))
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    response, err := client.Send(message)
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    if err != nil {
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        log.Println(err)
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    } else {
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        fmt.Println(response.StatusCode)
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        fmt.Println(response.Body)
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        fmt.Println(response.Headers)
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    }
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}