Developers

Verify email in your stack in minutes

Official, open-source SDKs wrap the BounceShift validation API so you can check whether an address is real, deliverable, and safe to send — from a signup form, a queue job, or a batch clean.

Get a free API key Quickstart API reference

Official SDKs

Install from your package manager. Each is MIT-licensed and open source on GitHub.

PHP

Laravel

Validate emails the Laravel way — a facade, config, and a drop-in Deliverable validation rule.

composer require bounceshift/laravel

Guide → GitHub Packagist

PHP

A framework-agnostic PSR-18 client for any PHP application.

composer require bounceshift/bounceshift-php

Guide → GitHub Packagist

TypeScript

Node.js & TypeScript

A typed client and Express middleware for Node and TypeScript.

npm install @bounceshift/sdk

Guide → GitHub npm

Or call the API directly

Every SDK wraps one REST endpoint. Authenticate with a Bearer token and your organization ID:

cURL

curl -X POST https://api.bounceshift.com/v1/validate/single \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "X-Organization-ID: YOUR_ORG_ID" \
  -H "Content-Type: application/json" \
  -d '{"email": "[email protected]"}'

Full reference: interactive API docs · OpenAPI spec · status & error codes.

Learn

How the engine works

Fundamentals How Email Verification Works: From Syntax to SMTP The full pipeline behind a "valid" verdict — and why honest verifiers abstain instead of guessing. Fundamentals What Is a Catch-All Email (and How to Handle It)? Why "accept-all" servers defeat naive verifiers — and how to send to them safely. Inside BounceShift How We Measure Email-Validation Accuracy (Honestly) Why "99% accurate" is usually meaningless, and how we hold our own engine to real outcomes.

Related terms

Email Verification SMTP Verification Catch-All Domain

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