Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.
Self-hosted email verification script to clean up bad invalid email address lists. Supports various commercial email verification provider APIs all in one script
A high-performance and secure REST/GraphQL API built with Rust, MongoDB & Redis for cleaning email subscriber lists. Maintains sender reputation by validating, deduplicating, and pruning inactive emails.
Custom email sender for AWS Cognito built in Go. Uses Open Policy (OPA) Agent to determine sending behavior and supports optional SendGrid email verification or as email provider.
SafetyMails SDK for developers: real-time email verification API, batch list validation, and ready-to-use integrations (WordPress, landing pages, Google Tag Manager). Includes code examples and full documentation.
Official n8n node for EmailVerify.io — validate emails in workflows, detect disposable addresses, and improve deliverability with a fast API.
A real time email verifier with → email syntax, SMTP, inbox exists, catch-all and mx records checks.
This is a Go Based Email Verifier Tool
Ruby client for EmailVerify.io API — validate email addresses, detect disposable emails, and improve deliverability.
Production-ready async auth microservice — JWT rotation, refresh tokens, Google OAuth 2.0, MFA (TOTP), Redis rate limiting, RBAC | FastAPI · SQLAlchemy 2.0 · MySQL · Redis
Check the availability of your email and gain AI-powered insights to improve customer engagement for cold email outreach.
Backend of quiz application for engineers
SendBridge Email Validation API
Official C# / .NET SDK for EmailVerify.io — validate emails, detect disposable addresses, and improve deliverability with a fast REST API.
BillionVerify Python SDK
A PHP library to detect temporary emails using the Temp Mail Detector API.
Client Library for EmailDetective.io
A 100% free, self-hosted bulk email verification pipeline using n8n and Reacher. Stop paying for NeverBounce and Hunter.io
Email validation API for signup flows for Python. Async client with batch support, developer pattern intelligence, and Pydantic models.
Snapvalid email verification prevents fake signups and invalid email addresses by validating emails in real-time using SnapValid API
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