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Expand the canvas of an image with AI-generated content that matches the existing scene. Specify percent expand on each side — required so the customer is intentional.
$0.55/request 2026-04-28
Install
pip install requestsRun the model
import requests
response = requests.post(
"https://api.runflow.io/v1/run/outpaint",
headers={"Authorization": "Bearer RUNFLOW_API_KEY"},
json={
"image_url": "https://public.runflow.io/images/models/runflow/outpaint/examples/1/before.webp",
"expand_top": 10,
"file_input": "10-couple-half-frame.png",
"expand_left": 70,
"expand_right": 0,
"expand_bottom": 30
},
)
data = response.json()
print(data["images"][0]["url"])Input schema
| Parameter | Type | Description |
|---|---|---|
| image_url | image | URL of the image to process. HTTPS required. |
| expand_top | integer | 0–80% expand on the top edge. |
| file_input | string | Filename inside `image_url` (e.g. `photo.png` if the zip contains `photo.png`). Frontend should set this to match the inner filename when composing the zip. |
| expand_bottom | integer | 0–80% expand on the bottom edge. |
| expand_left | integer | 0–80% expand on the left edge. |
| expand_right | integer | 0–80% expand on the right edge. |
Output schema
| Field | Type | Description |
|---|---|---|
| outputs | json | Array of result items, each with at minimum a `url` field. |
| seed | json | Random seed used (null if N/A). |
| timing | json | Provider timing breakdown (null if not surfaced). |
| nsfw_detected | json | Provider NSFW flag (null if not surfaced). |
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