Email Verification that's astonishingly easy and low-cost. See https://emailable.com for details.

ZeroBounce Email Verification Library

Functions for generating and verifying JWT tokens used in the Email Verification Protocol

The `@zk-email/helpers` package provides utility functions for email verification and cryptographic operations. It includes functions for handling RSA signatures, public keys, email bodies, and hashes.

Official BillionVerify Node.js SDK for email verification

Knative function to send verification links (invite, password reset, email verification) using Constructive jobs

n8n node to provide NeverBounce email verification

Node.js SMTP Email Verification Library

Used to send Parse Server password reset and email verification emails through Mandrill, supporting templates.

Verifalia email verification library for JavaScript: verify email addresses in real-time and check whether they are deliverable, invalid, or otherwise risky.

Update Email Bottom Sheet Component for corporate email verification

Email address validation with DNS MX record, SMTP connection and disposable email verification

JWT and OAuth authentication, MFA, session management, and email verification for NestJS applications.

The THERMS Email Verification webapp

Used to send Parse Server password reset and email verification emails though Mailgun

A lightweight JavaScript widget with zero dependencies that performs real-time email address validation using the Verifalia email verification service. This widget integrates seamlessly with any web form to swiftly identify and eliminate invalid, undelive

A simple, fast, and robust email verification library for Node.js.

Email verification and validation to make you smile

MCP server for Leadloadz B2B lead search and email verification

Reusable NextAuth credentials auth for Next.js: email verification, password reset, and DB-driven rate limiting. Client-agnostic factory + dependency injection. Ships TypeScript source (add it to Next's transpilePackages).