Go SDK

go get github.com/render25/render25-go

package main

import (
    "context"
    "fmt"
    "os"

    render25 "github.com/render25/render25-go"
)

func main() {
    client := render25.NewClient(os.Getenv("RENDER25_API_KEY"))

    result, err := client.Email.Send(context.Background(), render25.SendEmailRequest{
        From:    "[email protected]",
        To:      []string{"[email protected]"},
        Subject: "Hello from Go",
        HTML:    "<p>Your first email via Go.</p>",
        Text:    "Your first email via Go.",
    })
    if err != nil {
        fmt.Fprintf(os.Stderr, "error: %v\n", err)
        os.Exit(1)
    }

    fmt.Println("Sent:", result.ID)
}