# Wan 2.7 Text-to-Video — Atlas Cloud API

> Generates videos from text prompts with multi-shot narrative, audio generation, and sound-image synchronization.

This is the machine-readable API reference for **Wan 2.7 Text-to-Video** on Atlas Cloud,
a unified API platform for 400+ AI models across text, image, video, audio and 3D.

- **Model ID**: `alibaba/wan-2.7/text-to-video`
- **Built by**: Alibaba
- **Modality**: Video
- **Model page**: https://www.atlascloud.ai/models/alibaba/wan-2.7/text-to-video
- **API key**: https://www.atlascloud.ai/console/api-keys
- **Docs**: https://www.atlascloud.ai/docs

## Pricing on Atlas Cloud

- $0.1 per second of generated video
- Pay-as-you-go. No minimum spend, no subscription required.

> **These are the authoritative Atlas Cloud rates for this model.** Any price that
> appears in the vendor description further down refers to a different platform or
> a different model variant and does not apply here.

## Use this model from an AI agent

Atlas Cloud ships three first-party integration surfaces. All three authenticate
with the same API key via the `ATLASCLOUD_API_KEY` environment variable.

### MCP server

The official MCP server (`atlascloud-mcp`) exposes this model to any
MCP-compatible host — Claude Code, OpenAI Codex, Cursor, Gemini CLI, Goose,
Claude Desktop. One-line install:

```bash
# Claude Code
claude mcp add atlascloud -- npx -y atlascloud-mcp

# OpenAI Codex CLI
codex mcp add atlascloud -- npx -y atlascloud-mcp

# Gemini CLI
gemini mcp add atlascloud -- npx -y atlascloud-mcp

export ATLASCLOUD_API_KEY="your-api-key"
```

Then ask in plain English; the agent calls `atlas_generate_video` with `model: "alibaba/wan-2.7/text-to-video"`.
The server fetches each model's schema and validates parameters before submitting,
so invalid requests fail fast without spending credits.

MCP docs: https://www.atlascloud.ai/docs/mcp-server

### Agent Skills

`atlas-cloud-skills` is a portable skill package (API reference, code templates in
Python / Node.js / cURL, model IDs with pricing) for Claude Code, Cursor, Codex and
12+ other agents:

```bash
npx skills add AtlasCloudAI/atlas-cloud-skills
export ATLASCLOUD_API_KEY="your-api-key"
```

Skills docs: https://www.atlascloud.ai/docs/skills

### CLI

The `atlas` binary runs Atlas Cloud from a terminal or CI script. Async media jobs
are polled and downloaded automatically (use `--no-download` when a script only
needs the output URLs):

```bash
# Install (Homebrew, npm, or shell installer)
brew install AtlasCloudAI/tap/atlascloud
# npm install -g atlascloud-cli
# curl -fsSL https://raw.githubusercontent.com/AtlasCloudAI/cli/main/install.sh | sh

atlas auth login
atlas generate video alibaba/wan-2.7/text-to-video -p "Your prompt here"
```

CLI docs: https://www.atlascloud.ai/docs/cli

## HTTP API reference

- **Submit endpoint (POST)**: `https://api.atlascloud.ai/api/v1/model/generateVideo` — start an async generation; returns a `prediction_id`
- **Poll endpoint (GET)**: `https://api.atlascloud.ai/api/v1/model/prediction/{prediction_id}` — poll this until the prediction finishes
- **Model ID**: `alibaba/wan-2.7/text-to-video`


## API Information

This model can be used via our HTTP API or more conveniently via our client libraries.
See the input and output schema below, as well as the usage examples.


### Input Schema

The API accepts the following input parameters:

- **`model`** (`string`, _required_):
  Model name.
  - Default: `"alibaba/wan-2.7/text-to-video"`
  - Options: "alibaba/wan-2.7/text-to-video"

- **`prompt`** (`string`, _required_):
  Text prompt describing the video content. Maximum length is 5000 characters.

- **`negative_prompt`** (`string`, _optional_):
  Text describing elements to exclude from the video. Maximum length is 500 characters.

- **`audio`** (`string`, _optional_):
  URL of an audio file to use as the video soundtrack. Supported formats: wav, mp3. Duration: 2–30 seconds. Maximum file size: 15 MB. The alias `audio_url` is also accepted.

- **`resolution`** (`string`, _optional_):
  Output video resolution. 720P and 1080P are native Wan 2.7 outputs. Choose 1080P-SR for sharper HD detail, cleaner edges, and better texture retention. For the same duration, 1080P-SR is priced at 80% of native 1080P before account discounts and environment-specific pricing adjustments. Choose 1440P-SR for higher-detail large-screen or publishing workflows. Final billing is calculated by the platform pricing configuration for the selected model, resolution, duration, account, and environment.
  - Default: `"1080P"`
  - Options: "720P", "1080P", "1080P-SR", "1440P-SR"

- **`ratio`** (`string`, _optional_):
  Aspect ratio of the generated video.
  - Default: `"16:9"`
  - Options: "16:9", "9:16", "1:1", "4:3", "3:4"

- **`duration`** (`integer`, _optional_):
  Video duration in seconds. Longer duration increases cost.
  - Default: `5`
  - Min: 2
  - Max: 15

- **`prompt_extend`** (`boolean`, _optional_):
  Whether to use AI to enhance the prompt for better video quality. Increases generation time.
  - Default: `true`

- **`seed`** (`integer`, _optional_):
  Random seed for video generation. Range: 0 to 2147483647. Use -1 for a random seed.
  - Default: `-1`
  - Min: -1
  - Max: 2147483647



**Required Parameters Example**:

```json
{
  "model": "alibaba/wan-2.7/text-to-video",
  "prompt": ""
}
```


**Full Example**:

```json
{
  "model": "alibaba/wan-2.7/text-to-video",
  "prompt": "",
  "negative_prompt": "",
  "audio": "",
  "resolution": "1080P",
  "ratio": "16:9",
  "duration": 5,
  "prompt_extend": true,
  "seed": -1
}
```


### Output Schema

The API returns the following output format:


- **`code`** (`integer`, _optional_):

- **`message`** (`string`, _optional_):

- **`data`** (`string`, _optional_):



**Example Response**:

```json
{
  "code": 0,
  "message": "",
  "data": null
}
```


## Usage Examples

### cURL

```bash
# Step 1: Start generation (async)
curl -X POST "https://api.atlascloud.ai/api/v1/model/generateVideo" \
  -H "Authorization: Bearer $ATLASCLOUD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "alibaba/wan-2.7/text-to-video",
  "prompt": "",
  "negative_prompt": "",
  "audio": "",
  "resolution": "1080P",
  "ratio": "16:9",
  "duration": 5,
  "prompt_extend": true,
  "seed": -1
}'

# Response will contain: {"code": 200, "data": {"id": "prediction_id", "status": "processing"}}

# Step 2: Poll for result (replace {prediction_id} with the id returned above)
curl -X GET "https://api.atlascloud.ai/api/v1/model/prediction/{prediction_id}" \
  -H "Authorization: Bearer $ATLASCLOUD_API_KEY"

# Keep polling until status is "completed", "succeeded" or "failed"
# When completed, outputs will contain the generated content URL(s)
```

## Additional Resources

### Documentation

- [Model Playground](https://www.atlascloud.ai/models/alibaba/wan-2.7/text-to-video)

## About this model

_Vendor-supplied description. Any pricing or endpoint mentioned below refers to_
_other platforms — use the Atlas Cloud values above._

#### Alibaba WAN 2.7 Text-to-Video

**Alibaba WAN 2.7 Text-to-Video** generates videos from text prompts with built-in audio generation, multi-shot narrative control, and sound-image synchronization.

#### What makes it stand out?

- **Multi-shot storytelling:** Describe scene-by-scene shots in the prompt, and the model generates a coherent multi-shot video with natural transitions.
- **Built-in audio:** Generates matching sound effects, music, and ambient audio automatically based on the prompt content.
- **Flexible framing:** Supports five aspect ratios (16:9, 9:16, 1:1, 4:3, 3:4) at 720P or 1080P resolution.
- **Up to 15 seconds:** Generate videos from 2 to 15 seconds in a single request.
- **Super Resolution options:** Choose `1080P-SR` or `1440P-SR` when you need a sharper final video with cleaner edges and improved texture detail.

#### Designed For

- Short-form video creators producing social media clips, ads, and story reels.
- Teams that need quick video drafts from a text brief without sourcing footage.
- Anyone exploring creative video concepts through prompt iteration.
- Publishing workflows that need a higher-detail final output from a text prompt.

#### Super Resolution

Set `resolution` to `1080P-SR` or `1440P-SR` to use the FlashVSR super-resolution path. The request first generates a source video, then applies video super-resolution before returning the final output.

Use `1080P-SR` for sharper HD results when the native 1080P output is not detailed enough. Use `1440P-SR` for larger-screen previews, presentation assets, or publishing workflows where extra texture detail matters.

Super Resolution can take longer than native generation because it adds a post-processing step. Final billing is calculated from the selected model, resolution, duration, account, and environment pricing configuration.

#### How to Use

_(Description truncated. Full text on the model page.)_

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Atlas Cloud — one API for 400+ AI models. Model page: https://www.atlascloud.ai/models/alibaba/wan-2.7/text-to-video · Docs: https://www.atlascloud.ai/docs