---
title: "Preview a campaign launch (e.g. 'gtm-engineers-apr26'): up to 50 first-touch messages (default 10), list summary, blockl"
method: GET
path: "/api/v1/campaigns/{campaign_id}/launch-preview"
tags: ["campaigns"]
---

# Preview a campaign launch (e.g. 'gtm-engineers-apr26'): up to 50 first-touch messages (default 10), list summary, blockl

`GET /api/v1/campaigns/{campaign_id}/launch-preview`

## Request

- Base URL: `https://crispy.sh`
- URL: `https://crispy.sh/api/v1/campaigns/{campaign_id}/launch-preview`
- Auth: HTTP bearer

## Path parameters

- `campaign_id` string, required

## Query parameters

- `sample_size` integer: Number of preview messages to render (1-50, default 10).

## Response `200`

Success

## Other responses

- `401`: Missing or expired API key
- `403`: Insufficient key scope or permission denied
- `429`: Rate limit exceeded

---

[API](https://skmtc.dev/crispy/apis/crispy-rest-api.md) · [All operations](https://skmtc.dev/crispy/apis/crispy-rest-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crispy/apis/crispy-rest-api/revisions/6bed0974d9ce?raw)