Wan 2.7 Text to Video

Wan 2.7 is the latest generation AI video model, delivering enhanced motion smoothness, superior scene fidelity, and greater visual coherence.

Pricing: $0.1/second. Endpoint: POST /v1/models/alibaba/wan/v2.7/text-to-video/runs.

Wan 2.7 is the latest generation AI video model, delivering enhanced motion smoothness, superior scene fidelity, and greater visual coherence.

Overview

• Endpoint: https://api.runflow.io/v1/models/alibaba/wan/v2.7/text-to-video/runs
• Model ID: alibaba/wan/v2.7/text-to-video
• Provider: Alibaba
• License: commercial
• Last Updated: 2026-04-08

Pricing

• Base price: $0.1/second
• Note: Per second of video

Wan 2.7 Text to Video API

Endpoint: POST /v1/models/alibaba/wan/v2.7/text-to-video/runs

Run the model

Python

import requests

response = requests.post(
    "https://api.runflow.io/v1/models/alibaba/wan/v2.7/text-to-video/runs",
    headers={"Authorization": "Bearer RUNFLOW_API_KEY"},
    json={
        "input": {
            "prompt": "Aerial drone shot pulling back slowly to reveal a vibrant coral reef teeming with tropical fish, crystal clear turquoise water, sunlight rays penetrating the surface",
            "duration": 5,
            "resolution": "1080p"
        },
        "callback_url": "https://your-server.com/webhook"
    },
)

data = response.json()
print(data)

Node.js

const response = await fetch(
  "https://api.runflow.io/v1/models/alibaba/wan/v2.7/text-to-video/runs",
  {
    method: "POST",
    headers: {
      "Authorization": "Bearer RUNFLOW_API_KEY",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
        "input": {
            "prompt": "Aerial drone shot pulling back slowly to reveal a vibrant coral reef teeming with tropical fish, crystal clear turquoise water, sunlight rays penetrating the surface",
            "duration": 5,
            "resolution": "1080p"
        },
        "callback_url": "https://your-server.com/webhook"
    }),
  }
);

const data = await response.json();
console.log(data);

cURL

curl -X POST https://api.runflow.io/v1/models/alibaba/wan/v2.7/text-to-video/runs \
  -H "Authorization: Bearer $RUNFLOW_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'JSON'
{
    "input": {
        "prompt": "Aerial drone shot pulling back slowly to reveal a vibrant coral reef teeming with tropical fish, crystal clear turquoise water, sunlight rays penetrating the surface",
        "duration": 5,
        "resolution": "1080p"
    },
    "callback_url": "https://your-server.com/webhook"
}
JSON

Request parameters

Parameter	Type	Required	Description
input	object	required	Model input parameters. See “Input schema” below.
callback_url	string | null	optional	Webhook URL - POSTed when the run reaches a terminal state.
metadata	object | null	optional	Arbitrary key-value pairs attached to the run.

Input schema

Field	Type	Required	Allowed values	Description
prompt	string	required	Any	Text prompt describing the desired video. Max 5000 characters.
audio_url	file	optional	Any	URL of driving audio. Supports WAV and MP3. Duration: 3-30s. Max 15 MB. If not provided, the model auto-generates matching background music.
aspect_ratio	string	optional	16:9, 9:16, 1:1, 4:3, 3:4	Aspect ratio of the generated video.
resolution	string	optional	720p, 1080p	Output video resolution tier.
duration	integer	optional	2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15	Output video duration in seconds (2-15).
negative_prompt	string	optional	Any	Content to avoid in the video. Max 500 characters.
enable_prompt_expansion	boolean	optional	Any	Enable intelligent prompt rewriting.
seed	integer	optional	Any	Random seed for reproducibility (0-2147483647).
enable_safety_checker	boolean	optional	Any	Enable content moderation for input and output.

Output schema

Field	Type	Description
outputs	json	Unified output array - one entry per generated artifact with url/type/width/height/duration/etc.
seed	json	The seed used for generation.
model_data	json	Model-specific extra fields (prompt, description, actual_prompt, masks, etc.) keyed by field name.
nsfw_detected	json	true if the provider flagged output as NSFW, false if cleared, null if not checked.
timing	json	Provider timing info (inference_ms etc.), or null.

Callback payload

When you provide a callback_url, Runflow POSTs to it once the run reaches a terminal state.

Field	Type	Description
event	string	Event type: “run.completed”, “run.failed”, or “run.cancelled”.
run_id	string	The unique identifier of the run.
status	string	Terminal status: “succeeded”, “failed”, or “cancelled”.
output	object | null	The run output. Null if the run failed or was cancelled.
duration_ms	number | null	Total run duration in milliseconds.
created_at	string | null	ISO 8601 timestamp when the run was created.
completed_at	string | null	ISO 8601 timestamp when the run reached terminal state.
metadata	object | null	The metadata object passed at run creation, if any.

• Retries: 3 attempts with exponential backoff (1s, 2s). Retries on 5xx / network errors only.
• Headers: Runflow-Request-Id is always sent. Runflow-Signature is sent if a signing secret is configured.

Additional Resources

• Playground
• API Reference
• Documentation
• OpenAPI

Related

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Run lifecycle

Callbacks, polling, statuses.

Callbacks

Handle async results.

Pricing

How requests bill out.