Top 31 Email APIs For Developers

Validate email addresses for deliverability and spam.

This API allows you to verify whether an email belongs to a recognized educational institution.

Validate email addresses, phone numbers, VAT numbers and domain names.

Validate and detect disposable and temporary email addresses.

GraphQL API for creating and managing ephemeral e-mail inboxes.

E-Mail address validation.

Disposable email inboxes with OTP extraction and real-time WebSocket events.

Disposable temporary Email addresses.

Email Verification API.

API for free email forwarding service.

Everything email for your startup with markdown support.

Email verification API.

10 Minute Mail.

Temporary Email Service.

Validate email address to improve deliverability.

Send transactional email over HTTPS with official JavaScript, Python and PHP SDKs.

Prevent users to sign up with temporary email addresses.

Real-time email verification checked live against the mail server: valid, invalid or catch-all, disposable detection, free tier without signup.

A service for the safe testing of emails sent from the development and staging environments.

Real-time email verification API with SMTP, MX, disposable, role-based, and catch-all detection. Verify single or bulk emails with confidence scoring.

Email validation API for real-time & bulk checking.

A seamless messaging platform & API to send all types of SMS.

Validate email addresses without sending.

Email API for developers.

A cloud-based SMTP provider that allows you to send emails without having to maintain email servers.

A service that provides solutions relating to marketing and/or transactional email and/or SMS.

Self-serve multichannel notification platform for transactional email, SMS, push web& mobile, chat, in-app.

Reliable email validation API with Free tier.

This API provides temporary & disposable email addresses.