---
title: "Notify Mentions"
method: POST
path: "/v1/cloud/collab/mentions/notify"
tags: ["v1", "Cloud Collaboration"]
---

# Notify Mentions

`POST /v1/cloud/collab/mentions/notify`

## Request

- Base URL: `https://memory.papr.ai`
- URL: `https://memory.papr.ai/v1/cloud/collab/mentions/notify`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer
- TypeScript: <https://skmtc.dev/papr-ai/apis/papr-memory-api/docs/v1/cloud/collab/mentions/notify/post.ts> (a function with typed inputs; its response is checked against the schema)

## Query parameters

- `external_user_id` string, nullable

## Request body

- RoutersV1CollabRoutesNotifyBody
  - `external_user_id` string, nullable
  - `ids` string[], required
  - `note` string, nullable

## Response `200`

Successful Response

- object: Generic JSON response object

## Other responses

- `422`: Validation Error

## Changes

- **2026-11-05** `957add0fe202`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/papr-ai/apis/papr-memory-api/changes/v1/cloud/collab/mentions/notify/post.md)

---

[API](https://skmtc.dev/papr-ai/apis/papr-memory-api.md) - [All operations](https://skmtc.dev/papr-ai/apis/papr-memory-api/llms.txt) - [OpenAPI document](https://skmtc.dev/papr-ai/apis/papr-memory-api/revisions/957add0fe202?raw)