Email Validation API

TrustShield provides a high-performance REST API to detect disposable email addresses, block bots, and validate sender reputation in real-time.

Low Latency

Sub-50ms checks.

72k+ Domains

Largest open-source blocklist.

Secure

Enterprise-grade security.

Integration Recipes

Copy and paste these snippets to secure your signup flow immediately.

Use this function before submitting your form.

typescript

// src/lib/validation.ts

export async function validateEmail(email: string) {
  const res = await fetch('https://trustshield.app/api/assess', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'x-api-key': process.env.TRUSTSHIELD_API_KEY!
    },
    body: JSON.stringify({ email })
  });

  const data = await res.json();
  
  // If score is less than 50, it's likely disposable/fake
  return data.score >= 50; 
}

Assess Email

POSThttps://trustshield.app/api/assess

bash

curl -X POST https://trustshield.app/api/assess \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_KEY" \
  -d '{"email": "test@tempmail.com"}'

Scoring Logic

The Trust Score (0-100)

0 - 40Disposable / Spam / Blocklist Match.

41 - 70Unknown / Risky / No MX Records.

71 - 100Safe / Trusted Provider / Corporate.