OnSefy is a real-time AI powered fraud detection and validation solution designed to help you assess the legitimacy of user signups, transactions, and online interactions.
What best describes you?
Whether you write code or use automation tools, OnSefy fits your workflow.
Log in to your OnSefy account, navigate to App Settings → API Keys, and generate your key and Service ID.
Get your key →Send user data via API call, a Zapier/Make.com action, or a Laravel middleware — whichever fits your stack.
See your integration path →Read the risk_level (0–2) and risk_score (0–10). Block, flag, or allow users instantly — automatically.
OnSefy works for engineering teams and non-technical teams alike. Pick your path below.
For Developers
Integrate directly into your backend. Full control over request logic, response handling, and automation. Works with any language that can make HTTP calls.
risk_score, risk_patterns & moreFor Non-Technical Users
Connect OnSefy to your tools in minutes — no programming required. Use visual workflow builders like Zapier or Make.com to trigger fraud checks automatically.
POST user data to our endpoint and get a risk verdict back in milliseconds. Works from any backend language.
free-api.onsefy.com
Paid: api.onsefy.comcurl -X POST https://free-api.onsefy.com/v1/validate/user \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "X-Service-Id: YOUR_SERVICE_ID" \
-H "Content-Type: application/json" \
-d '{
"email": "user@example.com",
"ip": "49.36.241.41",
"name": "Jane Smith",
"user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)..."
}'Connect OnSefy to your existing tools using visual automation platforms. Set up fraud detection workflows without writing a single line of code.
Trigger OnSefy checks from 6,000+ apps. When a new form is submitted, a lead is created in your CRM, or a user signs up — Zapier sends the data to OnSefy and routes the result automatically.
Build visual multi-step scenarios with Make.com (formerly Integromat). Map data from any source, call OnSefy, and branch your workflow based on the fraud risk level returned.
risk_levelNative integrations for n8n, Bubble, Webflow, and more are in progress. In the meantime, any platform that supports HTTP requests can call OnSefy directly.
New to API-based automation?
All no-code integrations use the same OnSefy API under the hood — the automation tool handles the HTTP call for you. You just need your API Key and Service ID from your OnSefy dashboard. That's it.
How to get your API Key →OnSefy returns a risk_level (0–2) and a numeric risk_score (0–10) so you can make instant, automated decisions at signup or login.
Developers read this from the JSON response. No-code users see this as mapped fields in their Zapier/Make.com workflow — same data, no code needed.
{
"status": true,
"summary": {
"risk_level": 2,
"verify_label": "Fraud",
"risk_score": 8.3,
"score_confidence": "92%",
"engine": "NeonShield"
},
"risk_patterns": [
"phone_ip_mismatch",
"user_agent_flag"
],
"transaction_id": "44de328f-...",
"timestamp": "2025-05-18T14:31Z"
}Signup Protection
Block bots, fake accounts, and disposable emails at registration before they enter your system.
Transaction Fraud Prevention
Flag high-risk users before transactions occur and reduce chargebacks from stolen credentials.
VPN & Proxy Detection
Identify users masking their real location with VPNs, proxies, or Tor exit nodes in real time.
Lead Scoring
Pre-qualify inbound leads with risk scoring before routing them to sales — no junk in your CRM.
Marketplace Trust
Screen buyers and sellers for trustworthiness before allowing them to transact on your platform.
Form & Submission Fraud
Stop spam form submissions and junk data polluting your databases and contact lists.
Step-by-step guides for popular platforms. Or call the REST API directly from any HTTP-capable language or no-code tool.
Developer SDKs & Frameworks
No-Code & Automation Platforms