Logo Inpaint

Place a logo onto a target image, with optional mask to constrain placement. When the mask is omitted, the workflow picks a placement automatically.

Pricing: $0.2/request. Endpoint: POST /v1/models/runflow/logo-inpaint/runs.

Place a logo onto a target image, with optional mask to constrain placement. When the mask is omitted, the workflow picks a placement automatically.

Overview

• Endpoint: https://api.runflow.io/v1/models/runflow/logo-inpaint/runs
• Model ID: runflow/logo-inpaint
• Provider: Runflow
• License: commercial
• Last Updated: 2026-05-21

Pricing

• Base price: $0.2/request
• Note: Per image: logo inpaint (v2, 2026-05-21)

Logo Inpaint API

Endpoint: POST /v1/models/runflow/logo-inpaint/runs

Run the model

Python

import requests

response = requests.post(
    "https://api.runflow.io/v1/models/runflow/logo-inpaint/runs",
    headers={"Authorization": "Bearer RUNFLOW_API_KEY"},
    json={
        "input": {
            "prompt": "Apply the logo from Image 2 onto the masked area of the garment in Image 1, matching the fabric texture, surface curvature, lighting, and color tone of the garment. The logo should look professionally printed or embroidered into the surface, not pasted on top.",
            "logo_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/logo.webp",
            "mask_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/mask.png",
            "image_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/image.png"
        },
        "callback_url": "https://your-server.com/webhook"
    },
)

data = response.json()
print(data)

Node.js

const response = await fetch(
  "https://api.runflow.io/v1/models/runflow/logo-inpaint/runs",
  {
    method: "POST",
    headers: {
      "Authorization": "Bearer RUNFLOW_API_KEY",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
        "input": {
            "prompt": "Apply the logo from Image 2 onto the masked area of the garment in Image 1, matching the fabric texture, surface curvature, lighting, and color tone of the garment. The logo should look professionally printed or embroidered into the surface, not pasted on top.",
            "logo_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/logo.webp",
            "mask_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/mask.png",
            "image_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/image.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/runflow/logo-inpaint/runs \
  -H "Authorization: Bearer $RUNFLOW_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'JSON'
{
    "input": {
        "prompt": "Apply the logo from Image 2 onto the masked area of the garment in Image 1, matching the fabric texture, surface curvature, lighting, and color tone of the garment. The logo should look professionally printed or embroidered into the surface, not pasted on top.",
        "logo_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/logo.webp",
        "mask_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/mask.png",
        "image_url": "https://public.runflow.io/images/models/runflow/logo-inpaint/examples/1/image.png"
    },
    "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
image_url	image	required	Any	URL of the target image. HTTPS required.
logo_url	image	required	Any	URL of the logo to place. PNG with transparency preferred.
mask_url	image	required	Any	URL of a black-and-white mask. White pixels mark the placement zone; black keeps the original.
prompt	string	optional	Any	Optional placement instruction (e.g. ‘top-right, 20% width’).

Output schema

Field	Type	Description
outputs	json	Array of result items with url, type, width, height, content_type.
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).

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.