Reduce bounce rates, protect your sender reputation, and improve deliverability with our fast, accurate API.
100 free verifications included. No credit card required.
Verification Result
john@example.com
Powerful features to ensure your emails reach the inbox, every time.
Comprehensive checks including syntax validation, DNS lookups, MX records, and SMTP verification.
Automatically detect and suggest corrections for common typos like "gmial.com → gmail.com".
Test if your emails land in inbox or spam across Gmail, Outlook, Yahoo, and more providers.
Schedule automatic re-verification of your lists daily, weekly, or monthly with alerts.
Identify honeypots, recycled spam traps, and known spam trap addresses in your lists.
Flag known complainers, abuse contacts, and users who frequently mark emails as spam.
Get country, region, city, and zip code from email domains. 150+ corporate HQs mapped.
Extract first/last names, predict gender, and enrich with location data automatically.
Check domains against 50+ email blacklists with alerts to protect your sender reputation.
Continuous monitoring of email authentication records with compliance scoring and alerts.
Get detailed quality scores (0-100) and risk flags for disposable, role, and catch-all emails.
Track email engagement with activity scores, open/click/reply metrics, and domain reputation grades.
Generate tracking pixels and click-tracked links to monitor email engagement in real-time.
Generate professional emails, subject lines, and improve existing content using Claude AI.
Gradually warm up new sending domains with our managed seed network to build reputation.
Native integrations with HubSpot, Salesforce, and Mailchimp. Verify contacts directly in your CRM.
Official SDKs for Python, Node.js, PHP, Go, Ruby, Java, C#, and Rust. Plus Zapier & Google Sheets.
Resell email verification under your brand with sub-accounts, credit allocation, and custom domains.
Upload CSV files or send up to 10,000 emails per batch with async processing and webhooks.
Invite team members, assign roles (owner, admin, member, viewer), and track usage per user.
Two-factor authentication, security keys (FIDO2), session management, and audit logging.
Find email addresses by name and domain. Single lookups or bulk search for entire prospect lists.
Geographic distribution, hourly patterns, per-API-key usage, and detailed verification breakdowns.
6 languages (EN, ES, FR, DE, PT, AR) with RTL support. Multi-currency billing in USD, EUR, GBP, BRL, INR.
Get alerts via Slack, SMS, email, push notifications, or webhooks. Never miss important events.
Automate data exports to S3, Google Cloud, or Azure. CSV, JSON, or XLSX on your schedule.
FIDO2/WebAuthn support for phishing-resistant authentication. Protect your account with YubiKey or similar.
Stop wasting money on invalid emails. Our AI-powered verification engine helps you maintain pristine email lists.
Native CRM integrations, 8 official SDKs, browser extensions, and Zapier for 5000+ apps.
Native CRM integration
Native CRM integration
Audience verification
5000+ app connections
Automation platform
Spreadsheet add-on
Form validation plugin
Embed in any form
Browser extension
Browser extension
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