---
title: "AI video generation from text prompts via Runway Gen-3"
method: POST
path: "/v1/tools/video-generate"
tags: ["Image"]
---

# AI video generation from text prompts via Runway Gen-3

`POST /v1/tools/video-generate`

## Request

- Base URL: `https://archtools.dev`
- URL: `https://archtools.dev/v1/tools/video-generate`
- Auth: API key in header `x-api-key`

## Request body

- object
  - `prompt` string, required: Text description of the video to generate
  - `duration` integer: Video duration in seconds (5 or 10)
  - `aspect_ratio` '16:9' | '9:16' | '1280:720' | '720:1280': Output aspect ratio

## Response `200`

Generated video URL

---

[API](https://skmtc.dev/archtools/apis/arch-tools-api.md) · [All operations](https://skmtc.dev/archtools/apis/arch-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/archtools/apis/arch-tools-api/revisions/ed6c1f974033?raw)