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Documentation Index

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Use this file to discover all available pages before exploring further.

Pricing: $0.075/image. Endpoint: POST /v1/models/alibaba/wan/v2.7/pro/edit/runs.
Edit and transform images using text instructions with the WAN 2.7 Pro model for precise, professional-grade image modifications.

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Overview

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Pricing

  • Base price: $0.075/image
  • Note: Per image

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Wan 2.7 Pro Edit API

Endpoint: POST /v1/models/alibaba/wan/v2.7/pro/edit/runs

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Run the model

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Python

import requests

response = requests.post(
    "https://api.runflow.io/v1/models/alibaba/wan/v2.7/pro/edit/runs",
    headers={"Authorization": "Bearer RUNFLOW_API_KEY"},
    json={
        "input": {
            "prompt": "Turn the office into a cozy mountain cabin: snow falling outside the windows, exposed wooden beams on ceiling, stone fireplace crackling, warm amber light",
            "image_urls": [
                "https://public.runflow.io/images/models/_shared/base-engineer.png"
            ]
        },
        "callback_url": "https://your-server.com/webhook"
    },
)

data = response.json()
print(data)

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Node.js

const response = await fetch(
  "https://api.runflow.io/v1/models/alibaba/wan/v2.7/pro/edit/runs",
  {
    method: "POST",
    headers: {
      "Authorization": "Bearer RUNFLOW_API_KEY",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
        "input": {
            "prompt": "Turn the office into a cozy mountain cabin: snow falling outside the windows, exposed wooden beams on ceiling, stone fireplace crackling, warm amber light",
            "image_urls": [
                "https://public.runflow.io/images/models/_shared/base-engineer.png"
            ]
        },
        "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/pro/edit/runs \
  -H "Authorization: Bearer $RUNFLOW_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'JSON'
{
    "input": {
        "prompt": "Turn the office into a cozy mountain cabin: snow falling outside the windows, exposed wooden beams on ceiling, stone fireplace crackling, warm amber light",
        "image_urls": [
            "https://public.runflow.io/images/models/_shared/base-engineer.png"
        ]
    },
    "callback_url": "https://your-server.com/webhook"
}
JSON

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Request parameters

ParameterTypeRequiredDescription
inputobjectrequiredModel input parameters. See “Input schema” below.
callback_urlstring | nulloptionalWebhook URL - POSTed when the run reaches a terminal state.
metadataobject | nulloptionalArbitrary key-value pairs attached to the run.

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Input schema

FieldTypeRequiredAllowed valuesDescription
promptstringrequiredAnyText prompt describing the desired image edit. Supports Chinese and English.
image_urlsimage_listrequiredAnyReference images for editing (1-4 images required). Order matters: reference them as image 1, image 2, image 3, image 4 in the prompt.
negative_promptstringoptionalAnyContent to avoid in the generated image. Max 500 characters.
image_sizestringoptionalAnyOutput image size. Uses fal image size presets or explicit dimensions and is converted to DashScope size format.
num_imagesintegeroptionalAnyNumber of images to generate (1-4).
enable_prompt_expansionbooleanoptionalAnyEnable DashScope prompt expansion. Supported only for image edit mode.
seedintegeroptionalAnyRandom seed for reproducibility (0-2147483647).
enable_safety_checkerbooleanoptionalAnyEnable content moderation for input and output.

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Output schema

FieldTypeDescription
outputsjsonUnified output array - one entry per generated artifact with url/type/width/height/duration/etc.
seedjsonThe seed used for generation.
nsfw_detectedjsontrue if the provider flagged output as NSFW, false if cleared, null if not checked.
timingjsonProvider timing info (inference_ms etc.), or null.

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Callback payload

When you provide a callback_url, Runflow POSTs to it once the run reaches a terminal state.
FieldTypeDescription
eventstringEvent type: “run.completed”, “run.failed”, or “run.cancelled”.
run_idstringThe unique identifier of the run.
statusstringTerminal status: “succeeded”, “failed”, or “cancelled”.
outputobject | nullThe run output. Null if the run failed or was cancelled.
duration_msnumber | nullTotal run duration in milliseconds.
created_atstring | nullISO 8601 timestamp when the run was created.
completed_atstring | nullISO 8601 timestamp when the run reached terminal state.
metadataobject | nullThe 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.

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Additional Resources

Browse all models

Browse the catalog.

Run lifecycle

Callbacks, polling, statuses.

Callbacks

Handle async results.

Pricing

How requests bill out.