Product 01
Signup Defense API
Prevent trial abuse with scored decisions and policy thresholds in one request.
POST /v1/decision
Signup Abuse Intelligence API
Block fake trials before they hit your product
TrialShield scores every signup request in real time and returns an action: allow, challenge, or block.
35ms
Median response latency
99.95%
Monthly uptime target
24h
Continuous disposable list refresh
Live decision payload
{
"email": "support@mailinator.com",
"risk_score": 70,
"reasons": [
"Disposable email provider detected",
"Role-based email address"
],
"decision": "challenge",
"thresholds": {
"challenge_threshold": 55,
"block_threshold": 80
}
}
Try It Out
Test a single email and get a live risk score instantly.
Enter an email above to run a live check.
Two API products
Monetize abuse prevention and deliverability together
Product 02
SMTP Confirmation API
Confirm recipient deliverability by probing MX hosts and SMTP recipient acceptance.
POST /v1/smtp/confirm
Built for product and growth teams
Everything you need to stop free-trial abuse
Decision-first API
Get policy-driven allow/challenge/block outcomes, not just validation flags.
Composite risk scoring
Email reputation, domain signals, velocity tracking, and bot-like user agents.
Batch processing
Clean entire lists during imports with one call to the bulk endpoint.
Realtime analytics
See blocks, challenges, endpoint load, and latency directly in your dashboard.
API key management
Rotate keys instantly and scope usage per tenant from one control panel.
Stripe-ready billing
Monetization flow with checkout sessions and webhook-based subscription events.
SMTP confirmation product
Stand-alone deliverability API with SMTP probing and structured confidence output.
How it works
Deploy in hours, not weeks
Send signup payload
Call POST /v1/decision at signup with email, IP, and optional domain
age context.
Get explainable score
Receive a risk score plus reasons so product teams can tune policy and support can investigate edge cases.
Enforce your policy
Apply action thresholds to automatically permit legitimate users and challenge risky traffic.
Simple usage plans
Start free, scale by request volume
Starter
$19/month
100,000 requests included
Growth
$59/month
500,000 requests included
Pro
$149/month
2,000,000 requests included