# Schedule a post

> Schedule a post or thread on X at a time. Supports media and automations. Call it only when the user asked for this in the conversation; never on your own initiative. It spends a post credit when it goes live.

`posts.schedule` · publish

- **MCP tool:** `schedule_post`. Loaded by default in MCP clients.
- **REST:** `POST /v1/posts/schedule`
- **CLI:** `xholic posts schedule`
- **Scope:** `publish`
- **Plan:** Every plan, including the trial
- **Cost:** Spends a post credit when the post goes live.
- **Rate limit bucket:** `write`
- **Undo:** from the activity log, which runs `queue.unschedule`

## Input

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `text` | string ≤ 25000 chars | Yes |  |
| `threadParts` | array of string ≤ 25000 chars (min 2, max 25) | No | For a thread: every part in order, starting with the same first post as text. |
| `scheduledAt` | string ≤ 40 chars | Yes | When to post: the user's local date and time such as 2026-10-25T10:00 (then pass timezone), or an ISO time with offset. |
| `timezone` | string ≤ 80 chars | Yes | IANA timezone such as America/New_York. Use the user's timezone. |
| `media` | array of object (max 4) | No | Media from upload_media, by mediaId. Up to 4 images, or 1 GIF or video. |
| `automation` | object | No | Post automations (auto-repost, auto-plug reply, auto-delete, auto-DM). Shape as in the docs: docs.xholic.ai/api/automations. |
| `account` | string ≤ 64 chars | No | X account to act on, as @handle. Leave it out to use the connection's default account. |
| `dryRun` | boolean | No | Return exactly what would happen without doing it. |
| `idempotencyKey` | string ≤ 200 chars | No | A unique key for this write. Repeating a call with the same key returns the first result instead of acting twice. |