Top 21 Email APIs For Developers - Public APIs

Design, host, and send emails and texts. All from one place - with a simple API.

Email API for developers.

Validate email addresses without sending.

Verify email addresses for spam and delivery.

E-Mail address validation.

Verifies that a given email is real.

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

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

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

Prevent users to sign up with temporary email addresses.

Validate email address to improve deliverability.

Temporary Email Service.

10 Minute Mail.

Email verification API.

API for free email forwarding service.

Disposable temporary Email addresses.

Validate email addresses.

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

Validate and detect disposable and temporary email addresses.

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

Validate email addresses for deliverability and spam.