Stop losing revenue to fake signups
Advanced detection engine that identifies disposable, temporary, and fraudulent email addresses in real-time. Protect your signup flow, reduce churn, and stop wasting resources on fake accounts.
2,500 free validations/month. No credit card required.
SYSTEM STATUS
of signups use disposable emails, costing SaaS companies thousands in wasted resources every month
THE COST OF FAKE SIGNUPS
WHY WAS THIS EMAIL BLOCKED?
▼Built for developers
One API call. One line of code. Instant protection against disposable email addresses in your signup flow.
- RESTful API with JSON responses, ready in under 5 minutes
- SDKs for Node.js, Python, Go, Ruby, and PHP
- Webhook support for async batch processing with real-time callbacks
# Validate a single email curl -X POST https://api.emailprobe.dev/v1/validate \ -H "Authorization: Bearer sk_live_..." \ -H "Content-Type: application/json" \ -d '{ "email": "[email protected]" }' # Response { "safe": true, "score": 92, "verdict": "safe", "is_disposable": false, "is_free_provider": true, "has_mx_record": true, "has_spf": true, "has_dkim": true, "has_dmarc": true }
import { EmailProbe } from '@emailprobe/sdk'; const emailprobe = new EmailProbe('sk_live_...'); // Validate on signup const result = await emailprobe.validate({ email: '[email protected]' }); if (result.safe) { // Allow signup createUser(email); } else if (result.is_disposable) { // Block disposable rejectSignup('Disposable email'); } // Score: 0-100, Verdict: safe | risky | suspicious | high_risk | disposable console.log(result.score); // 92
from emailprobe import EmailProbe client = EmailProbe("sk_live_...") # Single validation result = client.validate( email="[email protected]" ) if result.safe: create_user(email) elif result.is_disposable: reject_signup("Disposable email") # Batch validation results = client.validate_batch( emails=[ "[email protected]", "[email protected]", "[email protected]", ] ) for r in results: print(f"{r.email}: {r.verdict}")
Everything you need to protect signups
A comprehensive email intelligence platform built for modern SaaS applications
Blocklists catch 86% of disposable emails. Our MX and IP analysis catches the remaining 14% that no list can find.
Disposable Email Detection
202K+ domains with real-time updates. Multiple detection signals work together to catch domains other services miss.
BlockFree Provider Detection
Identifies signups from Gmail, Yahoo, Outlook, and 200+ free email providers. Prompt users for a work email instead.
Ask for work emailMail Infrastructure Check
Verifies the domain is configured to receive email. Catches dead, parked, and misconfigured domains before they pollute your database.
ValidPrivacy Relay Detection
Detects Apple iCloud Hide My Email, Firefox Relay, SimpleLogin, and other email masking services.
Flag relayRole Account Detection
Flags generic role-based addresses like admin@, info@, support@, and sales@ that rarely belong to real individuals.
Flag roleSmart Typo Suggestions
Catches common domain typos like gmial.com, hotmial.com, and yaho.com. Show users a helpful correction prompt.
Suggest fixSyntax Validation
RFC 5322 compliance check catches malformed addresses before they reach your database. Fast, local validation.
InvalidDNS Authentication
Checks SPF, DKIM, and DMARC records to verify the domain's email authentication posture. Feeds into the risk score.
AuthenticatedHow the engine works
Every email is evaluated against multiple detection signals in real time. A confirmed hit short-circuits the rest.
Crowdsourced Intelligence
Every API call makes detection smarter. More customers = better detection = more customers.
API calls report signals
New threats detected
Your command center
Real-time analytics, usage tracking, and threat intelligence at a glance
Simple, transparent pricing
Start free. Scale as you grow. No hidden fees, no surprises.
- ✓ Single email validation
- ✓ Advanced detection engine
- ✓ REST API access
- ✓ Community support
- ✓ Everything in Free
- ✓ Batch validation
- ✓ Webhook callbacks
- ✓ Email support
- ✓ Everything in Starter
- ✓ Priority processing
- ✓ Advanced analytics
- ✓ Slack integration
- ✓ Priority support
- ✓ Everything in Growth
- ✓ Custom rules engine
- ✓ SSO / SAML
- ✓ SLA guarantee
- ✓ Dedicated support
Paid plans launching soon
Detect 200,000+ disposable email services
EmailProbe tracks every major disposable email provider — explore detailed pages for the services attackers use most.
Ready to stop losing revenue
to fake signups?
Start protecting your signup flow today. Get started in under 5 minutes.
Get Your Free API Key2,500 free validations/month. No credit card required.