---
title: "Comment on a record, as the builder"
description: "Adds a comment under this builder's own identity."
canonical: "https://grid82.com/docs/builder-api/data/comments-create"
updated: "2026-11-13"
---

# Comment on a record, as the builder

`POST https://studio.grid82.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: `grid82 apps comments create` (`npx grid82`).

## 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.        |

**Authorizations**

- `Authorization` (bearer, in header, required)

## Response

**201**: Success

- `data` (`object`, required)
- `data.id` (`string`, required)
- `data.tableId` (`string`, required)
- `data.recordId` (`string`, required)
- `data.authorId` (`string`, required)
- `data.text` (`string`, required, length: `1–4000 chars`)
- `data.mentions` (`string[]`, required)
- `data.createdAt` (`string`, required)
- `data.editedAt` (`string,null`, required)

```json
{
  "data": {
    "id": "<string>",
    "tableId": "<string>",
    "recordId": "<string>",
    "authorId": "<string>",
    "text": "<string>",
    "mentions": [
      "<string>"
    ],
    "createdAt": "<string>",
    "editedAt": null
  }
}
```

**4XX**: Refused

- `error` (`object`, required)
- `error.code` (`enum<string>`, required, one of: `not_found, forbidden, unauthenticated, validation_failed, conflict, rate_limited, payment_required, not_implemented, internal`)
- `error.message` (`string`, required)
- `error.details` (`Record<string, unknown>`)

```json
{
  "error": {
    "code": "not_found",
    "message": "<string>",
    "details": {}
  }
}
```

**Example request**

```bash
curl --request POST \
  --url 'https://studio.grid82.app/v1/apps/<appId>/tables/<tableId>/records/<recordId>/comments' \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "text": "<string>"
}'
```