---
title: "Send Email"
method: POST
path: "/api/clusters/{clusterName}/actions/send-email"
tags: ["AlertMailer"]
---

# Send Email

`POST /api/clusters/{clusterName}/actions/send-email`

Sends an email to the specified recipient.

## Path parameters

- `clusterName` string, required

## Headers

- `Authorization` string, required

## Request body

- MailerEmail
  - `attachments` string[]
  - `is_html` boolean
  - `message` string
  - `subject` string
  - `to` string

## Response `200`

Email sent successfully

- string

## Other responses

- `400` — Error in request
- `500` — Error sending email

## Changes

- **2026-07-17** `7465ea0ee21a` — 1 info
  - endpoint added
- **2023-03-31** `b57fc7b9446e` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/signal18/apis/untitled-api/changes/api/clusters/:clusterName/actions/send-email/post.md)

---

[API](https://skmtc.dev/signal18/apis/untitled-api.md) · [All operations](https://skmtc.dev/signal18/apis/untitled-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/signal18/untitled-api/revisions/7465ea0ee21a/schema)