---
title: "Get a derived attachment preview"
method: GET
path: "/v1/messages/{id}/attachments/{idx}/preview"
tags: ["attachments"]
---

# Get a derived attachment preview

`GET /v1/messages/{id}/attachments/{idx}/preview`

## Request

- Base URL: `https://api.replylayer.ai`
- URL: `https://api.replylayer.ai/v1/messages/{id}/attachments/{idx}/preview`
- Auth: HTTP bearer

## Path parameters

- `id` string, required
- `idx` string, required

## Response `200`

Success

- object
  - `attachment` object, required
    - `content_type` string, required
    - `filename` string, required
    - `hash` string, required
    - `size` integer, required
  - `preview` object, required
    - `char_count` integer, nullable, required
    - `content` string, required
    - `extractor` string, required
    - `generated_at` string, date-time, required
    - `kind` 'text', required
    - `page_count` integer, nullable, required
    - `truncated` boolean, required

## Other responses

- `400`: Validation error
- `401`: Missing or invalid API key (code: UNAUTHORIZED)
- `403`: Forbidden
- `404`: Not found
- `409`: Conflict
- `429`: Rate limited (code: RATE_LIMITED)
- `500`: Internal error

---

[API](https://skmtc.dev/replylayer/apis/replylayer-api.md) · [All operations](https://skmtc.dev/replylayer/apis/replylayer-api/llms.txt) · [OpenAPI document](https://skmtc.dev/replylayer/apis/replylayer-api/revisions/2cae6fbd127e?raw)