---
title: "Send a transactional email."
method: POST
path: "/transactional-emails/{transactionalEmailId}/send"
tags: ["Transactional Emails"]
---

# Send a transactional email.

`POST /transactional-emails/{transactionalEmailId}/send`

## Request

- Base URL: `https://api.maildroppa.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.maildroppa.com/transactional-emails/{transactionalEmailId}/send`
- Auth: API key in header `X-API-Key`

Sends one transactional email to the provided recipient.

## Path parameters

- `transactionalEmailId` string, uuid, required

## Request body

- SendEmailMessageRequestDto
  - `name` string
  - `email` string
  - `substitutionData` object
  - `eventProperties` object

## Other responses

- `400`: Bad Request
- `401`: Not Authorized
- `403`: Not Allowed
- `428`: Accept the customer agreements in the app before using API keys.

---

[API](https://skmtc.dev/maildroppa/apis/maildroppa-api-beta.md) · [All operations](https://skmtc.dev/maildroppa/apis/maildroppa-api-beta/llms.txt) · [OpenAPI document](https://skmtc.dev/maildroppa/apis/maildroppa-api-beta/revisions/a9f5a3fd1fb0?raw)