Sightengine API
by sightengine.com
Speech, image and audio
Added on November 3rd, 2026
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What it does
The Sightengine API analyses images and videos, for example to check whether a picture was made by an AI generator or to filter unwanted user uploads before they appear on a site. Send a GET request with an image URL and the models to run, or POST an upload, and get back JSON scores. Authentication uses the api_user and api_secret parameters. Free plan with 2,000 operations per month (at most 500 per day), covering basic content moderation and AI-generated image detection.
At a glance
- API key
- Needed, free · More APIs with a free key
- Pricing
- Free plan with 2,000 operations per month (at most 500 per day), covering basic content moderation and AI-generated image detection.
- From the browser
- Yes (CORS)
- Formats
- JSON
- Interface
- REST, HTTP-GET
- Provider
- sightengine.com
More information: https://sightengine.com/docs/ai-generated-image-detection
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Example request
curl
curl 'https://api.sightengine.com/1.0/check.json?url=https://sightengine.com/assets/img/examples/example-prop-c2.jpg&models=genai&api_user=YOUR_API_USER&api_secret=YOUR_API_KEY'JavaScript
const response = await fetch("https://api.sightengine.com/1.0/check.json?url=https://sightengine.com/assets/img/examples/example-prop-c2.jpg&models=genai&api_user=YOUR_API_USER&api_secret=YOUR_API_KEY");
const data = await response.json();
console.log(data);Python
import requests
response = requests.get(
"https://api.sightengine.com/1.0/check.json?url=https://sightengine.com/assets/img/examples/example-prop-c2.jpg&models=genai&api_user=YOUR_API_USER&api_secret=YOUR_API_KEY",
timeout=30,
)
print(response.json())Replace YOUR_API_USER and YOUR_API_KEY with your own values from your account. The JavaScript works in a web page as well as in Node.js 18 or newer.