Kickbox

Email verification platform — clean your email lists, verify addresses in real-time, and improve deliverability.

kickbox.com

Verified API available Works with Integrately · Make · Workato · Zapier ~6.4k monthly visits

Quick facts
What is it	Email verification platform — clean your email lists, verify addresses in real-time, and improve deliverability.
Pricing	Paid
Free tier	Yes
Platform	Web Application
API	Yes
Works with	Integrately, Make, Workato, Zapier
Best for	Cleaning email lists before sending campaigns to reduce bounces, Verifying emails at signup to prevent fake or mistyped addresses
Domain registered	2014

Data updated Aug. 1, 2026

What does Kickbox do?

Kickbox is an email verification platform that helps businesses clean their email lists and verify addresses in real time. It checks whether an email is deliverable, risky (like disposable or role-based addresses), or undeliverable. The service is used by over 150,000 senders, including companies like Reddit, Capital One, and Zapier. You get your first 100 verifications free.

The platform works in two main ways. First, you can upload a list of emails for bulk verification — useful before a big campaign or a platform migration. Second, it offers a real-time API that catches typos and fake emails the moment someone signs up on your website, mobile app, or point-of-sale system. Kickbox also provides deliverability consulting services, where experts audit your email setup and suggest fixes to improve inbox placement. The tool integrates with many common platforms and has clear documentation and SDKs for developers.

Kickbox is best for email marketers, developers, and business owners who want to protect their sender reputation and reduce bounce rates. Common use cases include cleaning a stale email list before a newsletter send, verifying emails at signup to prevent abuse, and getting expert help when deliverability problems arise. It's a straightforward, no-nonsense tool that does one thing well.

Email Marketing Platform

#api#bounce-reduction#data quality#deliverability#email-list-cleaning#email marketing#email verification#real-time-verification

Key features

What makes it stand out

Bulk email list verification to remove invalid, risky, and undeliverable addresses

Real-time email verification API to catch typos and fake emails at signup

Deliverability consulting services to fix inbox placement and avoid blacklists

Integrations with popular platforms like Zapier, Reddit, and more

Detailed result categories: deliverable, risky (disposable, role-based, accept-all), undeliverable

Who is Kickbox for?

Who benefits most from this tool

Cleaning email lists before sending campaigns to reduce bounces

Verifying emails at signup to prevent fake or mistyped addresses

Improving sender reputation and inbox placement

Pricing

Free tier available — start without a credit card

Email Verification

Custom

Free 100 verifications
$5 500 verifications
$10 1,000 verifications
$25 2,500 verifications
$40 5,000 verifications
$70 10,000 verifications
$150 25,000 verifications
$275 50,000 verifications
$500 100,000 verifications
$1,100 250,000 verifications
$1,800 500,000 verifications
$2,400 750,000 verifications
$2,999 1,000,000 verifications
Volume Discounts
Unknown Verification Results Are Free
First Class Support
GDPR-Compliant Email Deliverability Platform

Trust & presence

Domain Domain registered 2014

Gallery

Click any image to enlarge

Similar tools

EmailVerify AI Email Marketing

AI-powered email verification tool — check single emails, clean lists in bulk, and integrate via API to boost deliverability.

Emailvalidation Sales & CRM

Email validation tool — verify single or bulk emails, remove invalid addresses, and improve campaign deliverability.

make · n8n

MillionVerifier Email Marketing

Verify email lists, individual emails, and block temporary addresses with 99%+ accuracy.

integrately

Boost Inbox Email Marketing

AI-powered email warmup service — automatically sends realistic emails to build your sender reputation and improve deliverability.

SendBridge Email Marketing

AI-powered email verification service — upload your list, remove invalid addresses, and protect your sender reputation.

Verifalia Email Marketing

Email validation and list cleaning service — verify addresses in real-time or batch with 99% accuracy

n8n · integrately

AI Powered Cold Outreach that Actually Reaches the Inbox AI Sales Assistant

AI-powered cold email platform that finds prospects, personalizes outreach, and ensures inbox delivery

Zero Inbox Productivity Tools

AI-powered email organizer that automatically clears your inbox and unsubscribes from unwanted emails in seconds.

Works with Integrately

View all →

OpenAI Models

AI platform offering ChatGPT for conversation, an API for developers, and business solutions — all powered by GPT models.

n8n · integrately Top 1k site

Picsart Photo Editor

AI-powered creative suite for photo editing, design templates, and AI image generation — all in one platform.

zapier · make+1 Top 10k site

Anthropic Models

AI research and product company building safe, capable assistants like Claude

zapier · n8n+3 Top 1k site

Happy Scribe Transcription

AI transcription and subtitling tool — convert audio/video to text, generate captions, and translate in 120+ languages.

zapier · integrately Top 100k site

Aircall Customer Service

AI-powered business phone system with live call coaching, automated workflows, and 24/7 AI agents for customer support.

zapier · make+2 Top 100k site

Trello Productivity Tools

AI-powered project management tool to organize tasks, track progress, and collaborate with teams using boards, lists, and cards.

zapier · make+4 Top 10k site

Wrike Productivity Tools

AI-powered enterprise work management platform that automates tasks, provides insights, and coordinates teams.

zapier · make+5 Top 100k site

Brevo AI Marketing

All-in-one marketing platform with AI — send emails, SMS, automate campaigns, and manage customer relationships in one place.

zapier · n8n+4 Top 10k site