Add Image Watermark API: AI Image Editing

Edit images with Add Image Watermark via the Muapi REST API. Pay per generation — no subscription needed.

Add Image Watermark API Reference

Endpoint

POST https://api.muapi.ai/api/v1/add-image-watermark

Submit a job with your MuApi API key in the x-api-key header, then poll https://api.muapi.ai/api/v1/predictions/{request_id}/result until status is completed.

Parameters

NameTypeRequiredDescription
image_urlstringYesURL of the input image.
watermark_image_urlstringYesURL of the watermark image (PNG with transparency recommended)
positionstringNoPosition of the watermark on the imageOptions: top-left, top-right, bottom-left, bottom-right, centerDefault: "bottom-right"
opacityintNoWatermark transparency (0 = invisible, 1 = fully opaque)Default: 0.7
scaleintNoWatermark size relative to video (0.1 = 10%, 1.0 = 100%)Default: 0.15

cURL example

REQUEST_ID=$(curl -s -X POST https://api.muapi.ai/api/v1/add-image-watermark \
  -H "x-api-key: $MUAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"image_url":"https://example.com/your-image_url","watermark_image_url":"https://example.com/your-watermark_image_url"}' | jq -r .request_id)

curl -s https://api.muapi.ai/api/v1/predictions/$REQUEST_ID/result -H "x-api-key: $MUAPI_API_KEY"

Python example

import os, time, requests

API = "https://api.muapi.ai/api/v1"
headers = {"x-api-key": os.environ["MUAPI_API_KEY"]}

r = requests.post(f"{API}/add-image-watermark", headers=headers, json={"image_url":"https://example.com/your-image_url","watermark_image_url":"https://example.com/your-watermark_image_url"})
request_id = r.json()["request_id"]

while True:
    res = requests.get(f"{API}/predictions/{request_id}/result", headers=headers).json()
    if res["status"] == "completed":
        print(res["outputs"]); break
    if res["status"] == "failed":
        raise RuntimeError(res.get("error"))
    time.sleep(3)

Full docs and agent/MCP integration: llms.txt. Get an API key at muapi.ai/access-keys.