Idempotenz

await bird.email.send(
  {
    from: "hello@yourdomain.com",
    to: ["delivered@messagebird.dev"],
    subject: "Welcome!",
    html: "<p>Thanks for signing up.</p>",
  },
  { idempotencyKey: "welcome-user/usr_abc123" },
);

client.email.send(
    from_="hello@yourdomain.com",
    to=["delivered@messagebird.dev"],
    subject="Welcome!",
    html="<p>Thanks for signing up.</p>",
    options={"idempotency_key": "welcome-user/usr_abc123"},
)

_, err := client.Email.Send(context.Background(), bird.EmailSendParams{
	From:    "hello@yourdomain.com",
	To:      []string{"delivered@messagebird.dev"},
	Subject: "Welcome!",
	HTML:    "<p>Thanks for signing up.</p>",
}, option.WithIdempotencyKey("welcome-user/usr_abc123"))

$bird->email->send(
    from: 'hello@yourdomain.com',
    to: ['delivered@messagebird.dev'],
    subject: 'Welcome!',
    html: '<p>Thanks for signing up.</p>',
    options: new RequestOptions(idempotencyKey: 'welcome-user/usr_abc123'),
);

curl -X POST https://us1.platform.bird.com/v1/email/messages \
  -H "Authorization: Bearer $BIRD_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: welcome-user/usr_abc123" \
  -d '{
    "from": "hello@yourdomain.com",
    "to": ["delivered@messagebird.dev"],
    "subject": "Welcome!",
    "html": "<p>Thanks for signing up.</p>"
  }'