---
title: "Render Video Endpoint"
method: POST
path: "/sessions/{session_id}/render/video"
tags: ["sessions"]
---

# Render Video Endpoint

`POST /sessions/{session_id}/render/video`

## Request

- Base URL: `https://api.nicheangle.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.nicheangle.com/sessions/{session_id}/render/video`
- Auth: none declared

On-demand reel render at CP3. Thin REST wrapper over
app.services.render — same code path serves the MCP
`niche_render_reel` tool.

## Path parameters

- `session_id` string, uuid, required

## Headers

- `authorization` string, nullable

## Request body

- VideoRenderRequest
  - `captions_enabled` boolean
  - `music_enabled` boolean
  - `tone` string
  - `caption_sync_mode` 'beat' | 'phrase'
  - `cell` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/nicheangle/apis/signal-api.md) · [All operations](https://skmtc.dev/nicheangle/apis/signal-api/llms.txt) · [OpenAPI document](https://skmtc.dev/nicheangle/apis/signal-api/revisions/ed8b47ff5891?raw)