---
title: "Comment on a record, as the builder"
description: "Adds a comment under this builder's own identity."
canonical: "https://gtable.app/docs/builder-api/data/comments-create"
updated: "2026-10-05"
---

# Comment on a record, as the builder

`POST https://studio.gtable.app/v1/apps/{appId}/tables/{tableId}/records/{recordId}/comments`

Adds a comment under this builder's own identity.

Mentions may only name users who can see the record.

Requires the `records:write` scope. Operation `apps.comments.create`. MCP tool `apps_comments_create`. CLI, once published: `gtable apps comments create`.

## Path parameters

| Name       | Type   | Required | Description |
| ---------- | ------ | -------- | ----------- |
| `appId`    | string | yes      |             |
| `tableId`  | string | yes      |             |
| `recordId` | string | yes      |             |

## Headers

| Name              | Type   | Required | Description                                                                                                                                                                                                                                                        |
| ----------------- | ------ | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `Idempotency-Key` | string | no       | Any unique string. Sending the same key with the same request again returns the first response (marked `Idempotency-Replayed: true`) instead of running it twice. Reusing it for a different request is refused with 409. Kept for 24 hours. Up to 255 characters. |

## Request body

| Field      | Type      | Required | Description            |
| ---------- | --------- | -------- | ---------------------- |
| `text`     | string    | yes      | Up to 4000 characters. |
| `mentions` | string\[] | no       | Up to 20 items.        |