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SPECIFICTION
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Email Validator

emailvalidator.io

Free plan WebAPI
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Spec score 7.7 #21 of 31 in Email Verification APIs

Spec sheet

Purpose
Email Validator checks email deliverability using more than 20 validation checks.Read 4 Oct 2026 · emailvalidator.io
API
The REST API supports real-time and bulk verification, with API key or bearer token authentication.Read 4 Oct 2026 · emailvalidator.io
Integrations
The maker describes REST API integration and webhook notifications; no named third-party integrations are listed on the opened page.Read 4 Oct 2026 · emailvalidator.io
Security
The privacy policy says traffic is encrypted in transit using TLS, passwords are hashed, and API keys are stored securely.Read 4 Oct 2026 · emailvalidator.io
Privacy
The privacy policy says validation history submitted while signed in or through an API key is stored for review, while homepage demo validations are discarded.Read 4 Oct 2026 · emailvalidator.io
Support
The privacy policy lists [email protected] for questions about the policy or user data.Read 4 Oct 2026 · emailvalidator.io
API limits
The API documentation lists 100 API requests per hour and a maximum of 500 emails per bulk request.Read 4 Oct 2026 · emailvalidator.io
Bulk validation
Users can upload lists for bulk verification, and the API bulk endpoint accepts up to 500 emails per request.Read 4 Oct 2026 · emailvalidator.io
Checks
Checks include syntax, DNS and MX records, SMTP, disposable addresses, blacklists, domain age, catch-all status, and SPF/DKIM/DMARC.Read 4 Oct 2026 · emailvalidator.io
Data use
The privacy policy says submitted addresses are used only to perform the requested validation and show results, and are not sold, rented, or shared with third parties.Read 4 Oct 2026 · emailvalidator.io
Free access
The homepage offers five free checks per day without signup and says free accounts require no credit card.Read 4 Oct 2026 · emailvalidator.io
Platform availability
The maker provides a web-based validator and a REST API; the opened pages do not state desktop, mobile, extension, or self-hosted availability.Read 4 Oct 2026 · emailvalidator.io
Results
Validation results include risk scores and actionable insights.Read 4 Oct 2026 · emailvalidator.io
Validation checks
Checks include syntax, DNS and MX records, live SMTP, SPF/DKIM/DMARC, disposable and alias detection, blacklists, domain age, catch-all status, MTA-STS, and BIMI.Read 4 Oct 2026 · emailvalidator.io
Validation method
The service performs DNS lookups and connects to recipient mail servers using SMTP; it does not send message content.Read 4 Oct 2026 · emailvalidator.io

Plans and prices

Free account Free Daily validation allowance · Bulk list validation · Full validation history · REST API access · No credit card required Read 4 Oct 2026 · emailvalidator.io

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