Send Email - Transactional

Send individual transactional emails

Send transactional emails for order confirmations, password resets, and notifications.

Best for: Real-time, one-to-one emails triggered by user actions

Send transactional email

post

Send a single transactional email with text, HTML, or template content.

Use this endpoint for:

• Order confirmations

• Password reset emails

• Account notifications

• Welcome emails

• System alerts

Authorizations

HeaderAuthBearerAuth

Api-TokenstringRequired

API token in Api-Token header

Body

application/json

or

or

or

Responses

200

Email successfully sent

application/json

400

Bad request. Fix errors listed in response before retrying.

application/json

401

Unauthorized. Check your API credentials.

application/json

403

Forbidden. Verify domain or check permissions.

application/json

500

Internal server error. Retry later or contact support.

application/json

post

/api/send

Node.jsPHPPythonRuby.NETJavacURL

import { MailtrapClient } from "mailtrap";

const client = new MailtrapClient({
  token: process.env.MAILTRAP_API_KEY
});

await client.send({
  from: {
    email: "[email protected]",
    name: "Sender Name"
  },
  to: [{ email: "[email protected]" }],
  subject: "Hello from Mailtrap",
  text: "Welcome to Mailtrap!",
  html: "<h1>Welcome to Mailtrap!</h1>"
});

{
  "success": true,
  "message_ids": [
    "0c7fd939-02cf-11ed-88c2-0a58a9feac02"
  ]
}