---
title: "LinkedIn proxy: comment on a post"
method: POST
path: "/api/linkedin/{account_id}/comment-post"
tags: ["LinkedIn – Posts"]
---

# LinkedIn proxy: comment on a post

`POST /api/linkedin/{account_id}/comment-post`

## Request

- Base URL: `https://api.reachmcp.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.reachmcp.com/api/linkedin/{account_id}/comment-post`
- Auth: API key in header `X-API-Key`

Posts a comment on a LinkedIn post on behalf of the connected account.

**Input** (``post_url_or_urn``):

- Full LinkedIn post URL: ``https://www.linkedin.com/posts/...``
- Post slug: ``john-doe_some-title-7460167012225363968-iRyb``
- Post URN: ``urn:li:activity:7460167012225363968``

## Path parameters

- `account_id` integer, required

## Query parameters

- `post_url_or_urn` string, required: LinkedIn post URL, slug, or URN.
- `text` string, required: Comment text to post.

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/reachmcp/apis/mcp-reach.md) · [All operations](https://skmtc.dev/reachmcp/apis/mcp-reach/llms.txt) · [OpenAPI document](https://skmtc.dev/reachmcp/apis/mcp-reach/revisions/1a85fdaf3f7c?raw)