---
title: "Changes to POST /api/campaigns/{id}/preview"
method: POST
path: "/api/campaigns/{id}/preview"
---

# Changes to POST /api/campaigns/{id}/preview

`POST /api/campaigns/{id}/preview`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 7 revisions.

- **2026-10-19** `4788afd829a0`: 1 info

## Changes

- **2026-10-19** `4788afd829a0`: 1 info
  - the `leadIds/items/` request property's minLength was decreased from `1` to `0`

---

[Operation](https://skmtc.dev/heykairon/apis/kairon-api/docs/api/campaigns/:id/preview/post.md) · [API](https://skmtc.dev/heykairon/apis/kairon-api.md) · [Page](https://skmtc.dev/heykairon/apis/kairon-api/changes/api/campaigns/:id/preview/post)