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Kickbox

Kickbox

Verify email addresses to cut bounces and protect sender reputation.

DeliverabilityData SourcesSales Tools
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What is Kickbox?

Kickbox checks whether email addresses are valid before you send to them. It lowers bounce rates and safeguards your sender reputation. The platform processes lists in bulk or validates addresses in real time through an API.

Kickbox is an email verification service focused on list hygiene and deliverability. It scans your database to flag deliverable, risky, and undeliverable addresses so you can remove the bad ones before launching a campaign. The tool catches typos, disposable domains, and fake signups that would otherwise hurt your metrics. A real-time API lets you validate addresses at the point of entry on web forms. It connects with common CRMs and marketing platforms to keep data clean across your stack. The product does not send emails itself. It exists solely to improve the health and quality of your contact lists.

Ideal Customer Profile

Growth and marketing teams at startups and mid-market companies who rely on cold email and need consistently low bounce rates.

SeedSMBMid-market

Key Features

  • Bulk email list verification
  • Real-time verification API
  • Typo and fake email detection
  • Sender reputation protection
  • Deliverability consulting and audits
  • CRM and marketing platform integrations
  • GDPR compliant and SOC II certified
  • Multiple verification methods
  • Volume discounts for large lists
  • Unknown results provided at no cost

How to use Kickbox

Upload a contact list for bulk verification or connect the API to check addresses as they enter your system. Remove the flagged undeliverable and risky addresses before running your next outreach sequence. Reverify stale lists on a regular cadence to maintain low bounce rates over time.

Pricing

$5/ Per credit

Free tier includes 100 verifications. Paid plans start at $5 for 500 credits and scale to $4,000 for one million verifications.

Free
$0.00
Basic
$5.00
Standard
$10.00
Growth
$25.00
Plus
$40.00
Pro
$80.00
Premium
$200.00
Enterprise Small
$400.00
Enterprise Medium
$800.00
Enterprise Large
$1500.00
Enterprise X-Large
$2500.00
Enterprise XX-Large
$4000.00

Frequently Asked Questions

How do you use Kickbox?

Upload a list for bulk verification or plug in the API to validate emails as they arrive. Both methods help you remove bad addresses before sending.

What does Kickbox cost?

The first 100 verifications are free. Paid tiers range from $5 for 500 credits up to $4,000 for one million credits, with volume discounts available.

Why pick Kickbox over alternatives?

It combines high accuracy with GDPR compliance and responsive support. Broad integration options also make it easy to fit into existing workflows.

How does Kickbox verify an email address?

The service checks syntax, domain validity, and mailbox existence to sort addresses into deliverable, risky, or undeliverable buckets. This protects your sender score and reduces bounces.

Is there a free Kickbox plan?

Yes. You get 100 free verifications when you sign up. This lets you test the platform before committing to a paid tier.

Does Kickbox offer partner or agency programs?

It works with agencies, enterprises, developers, and non-profits to improve email deliverability. Reach out to the team for partnership details.

Quick Facts

Stack position
Deliverability
Category
Data Sources, Sales Tools
Best for
Seed, SMB, Mid-market
Pricing
From $5/Per credit
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Subcategories

Data Validation & VerificationEmail Verification

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