---
title: "Delete Decision Engine Message"
method: DELETE
path: "/decision-engine/flow/{flowId}/messages/{messageId}"
---

# Delete Decision Engine Message

`DELETE /decision-engine/flow/{flowId}/messages/{messageId}`

## Request

- Base URL: `https://api.hightouch.com/api/v1`
- URL: `https://api.hightouch.com/api/v1/decision-engine/flow/{flowId}/messages/{messageId}`
- Auth: HTTP bearer

Delete a message. The message is soft-deleted and disabled in the flow,
so it is no longer returned by the API and is ineligible for future sends.

## Path parameters

- `flowId` string, required
- `messageId` string, required

## Response `200`

Ok

- union
  - unknown
  - DecisionEngineErrorResponse
    - `message` string, required: Why the request failed.
  - ValidateErrorJSON
    - `message` 'Validation failed', required
    - `details` object, required
  - 'Internal Server Error'

## Other responses

- `204`: No Content
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not found
- `500`: Something went wrong

## Changes

- **2026-09-09** `2810667083d1`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/hightouch/apis/hightouch-api/changes/decision-engine/flow/:flowId/messages/:messageId/delete.md)

---

[API](https://skmtc.dev/hightouch/apis/hightouch-api.md) - [All operations](https://skmtc.dev/hightouch/apis/hightouch-api/llms.txt) - [OpenAPI document](https://skmtc.dev/hightouch/apis/hightouch-api/revisions/7f9793951e4f?raw)