---
title: "Send Email"
method: POST
path: "/ops/notifications/email"
tags: ["operations"]
---

# Send Email

`POST /ops/notifications/email`

## Request

- Base URL: `https://api.4chems.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.4chems.com/ops/notifications/email`
- Auth: HTTP bearer

Queue a plain-text email for delivery and return the operation envelope. Call
this from a service that needs to notify a user with a one-off, pre-composed
message; supply an Idempotency-Key to avoid sending duplicates on retry.

## Headers

- `Idempotency-Key` string, nullable

## Request body

- EmailNotification
  - `to` string, email, required
  - `subject` string, required
  - `body` string, required

## Response `202`

Successful Response

- OperationOut
  - `operation_id` string, uuid, required
  - `status` string, required
  - `type` string, required
  - `target_type` string, nullable
  - `target_id` string, nullable
  - `result` unknown
  - `error` ErrorDetail
    - `code` string, required
    - `message` string, required
  - `created_at` string, date-time, required
  - `finished_at` string, date-time, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/4chems/apis/platform-api.md) · [All operations](https://skmtc.dev/4chems/apis/platform-api/llms.txt) · [OpenAPI document](https://skmtc.dev/4chems/apis/platform-api/revisions/65e4f7b4dba0?raw)