Go SDK

go get github.com/WazobiaMail/wazobiamail-go@v0.1.0

import wazobiamail "github.com/WazobiaMail/wazobiamail-go"

client, err := wazobiamail.NewClient("wz_live_...")
if err != nil {
    log.Fatal(err)
}

// Or resolve WAZOBIA_API_KEY / WAZOBIAMAIL_API_KEY:
client, err = wazobiamail.NewClientFromEnv()

// Options:
client, err = wazobiamail.NewClient(
    "wz_live_...",
    wazobiamail.WithTimeout(15*time.Second),
    wazobiamail.WithUserAgent("my-app/2.0"),
)

package main

import (
    "context"
    "fmt"
    "log"

    wazobiamail "github.com/WazobiaMail/wazobiamail-go"
)

func main() {
    client, err := wazobiamail.NewClient("wz_live_...")
    if err != nil {
        log.Fatal(err)
    }

    resp, err := client.Messages.Send(context.Background(), wazobiamail.SendMessageRequest{
        To:      []string{"customer@example.com"},
        From:    "Acme <hello@mail.example.com>",
        Subject: "Your order shipped",
        HTML:    "<p>Your order is on its way.</p>",
        Text:    "Your order is on its way.",
    })
    if err != nil {
        log.Fatal(err)
    }

    fmt.Println(resp.Data.Result.TrackingID)
}

signature := r.Header.Get(wazobiamail.WebhookSignatureHeader)

var event struct {
    Type string `json:"type"`
    Data struct {
        TrackingID string `json:"trackingId"`
    } `json:"data"`
}

if err := client.Webhooks.ConstructEvent(body, signature, secret, &event); err != nil {
    if errors.Is(err, wazobiamail.ErrInvalidWebhookSignature) {
        http.Error(w, "invalid signature", http.StatusUnauthorized)
        return
    }
    http.Error(w, "bad payload", http.StatusBadRequest)
    return
}

var apiErr *wazobiamail.APIError
if errors.As(err, &apiErr) {
    switch {
    case apiErr.IsValidation():
        fmt.Println(apiErr.Errors)
    case apiErr.IsRateLimited():
        time.Sleep(apiErr.RetryAfter)
    }
}