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CampaignKit

by CampaignKit · Since 2021
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Active1+ countriesCloud
Quick facts
VendorCampaignKit
Year launched2021
StatusActive
LocationGermany
Countries served1+
Languages1
Integrations4+
Free tier
Free trialYES
Contact sales

About CampaignKit

CampaignKit is an email validation service from CampaignKit that helps clean the email lists to reduce bounces. It provides Email Verifier, Email List Cleaning, and Email Finder so organizations can ensure their marketing communications reach the intended recipients. Additionally, it offers Domain Health Check and FluentCRM Plugin to further support email management. CampaignKit is trusted by over 1,000 companies worldwide and makes email list cleaning accessible with a free trial available. This service is designed for marketing professionals that need to maintain high deliverability rates and minimize bounce rates for their email campaigns. Key capabilities: Email Verifier Email List Cleaning Email Finder Domain Health Check FluentCRM Plugin Best for: marketers that need to verify and maintain their email lists.

CampaignKit is a powerful and reliable email validation and verification platform designed to ensure accuracy, protect sender reputation, and improve overall email marketing performance. By combining advanced detection tools with API integrations and seamless CRM/ESP connections, CampaignKit helps businesses eliminate invalid, malicious, and disposable email addresses before campaigns are launched. Its validation process includes syntax checking, mailbox deliverability testing, domain verification, catch-all detection, disposable email filtering, and quality scoring, providing a multi-layered approach that improves inbox placement and reduces bounce rates. The platform is designed to be fast, accurate, and developer-friendly, making it a suitable solution for marketing professionals, SaaS providers, and enterprises that depend heavily on email outreach. Unlike tools that simply check syntax, CampaignKit goes further by detecting temporary emails from over 3000 domains, flagging spam traps, and rating addresses with a quality score to ensure that businesses engage only with genuine, active contacts. This advanced verification helps companies avoid blacklisting, improve deliverability, and maintain a strong sender score.

Pros & Cons

What users like
  • +Affordable pricing, starting as low as $6 for 2,500 validations.
  • +Wide range of features including catch-all, disposable, and domain detection.
  • +Smooth integrations with major CRMs and email marketing tools.
  • +Developer-friendly with a robust and easy-to-use API.
  • +Free trial with 25 credits to test services before purchase.
What users flag
  • Free plan is very limited (only 25 validations).
  • Advanced users may want more detailed analytics beyond scoring.
  • Heavy reliance on API for automation (non-technical users may struggle).
  • Integration list is limited compared to larger competitors.
  • Large-scale validation may slow down under high volumes.

Features

Key features

Mailbox Deliverability Check – Tests if a server accepts emails for a given mailbox without sending a message.
Disposable Email Detection – Identifies emails from over 3,000 temporary domains to block low-quality leads.
Catch-All Detection – Flags catch-all domains which often lower engagement rates.
Syntax Validation – Removes improperly formatted or invalid email addresses instantly.
Domain Checks – Confirms if the domain exists and is configured to receive emails.
Quality Score Assignment – Each email gets a score to rank its reliability and engagement potential.
API Integration – Provides developers with easy tools to integrate validation into CRMs and apps.

Additional features

Email Validation Service – Cleans email lists and protects sender scores.
Mailbox Deliverability – Verifies whether a mailbox can actually receive emails.
Disposable Email Filtering – Detects and blocks temporary and throwaway emails.
Catch-All Detection – Identifies domains accepting all emails without validation.
Syntax Error Detection – Flags misspelled or improperly formatted addresses.
Domain Verification – Confirms that an email domain exists and is correctly set up.
Quality Scoring System – Rates each address with a score for quality assessment.
Bulk Email List Cleaning – Upload CSV files for large-scale email checks.
API Developer Access – Seamless real-time verification integration for apps and CRMs.
ESP & CRM Integrations – Direct connections with HubSpot, Mailchimp, Mailjet, and FluentCRM.

Pricing

Free trial
Free version
Request a quote
Promo Offer

Countries & Languages

1
Countries served
1
Interface languages
1
Billing currencies

Available in

All countries.

Interface languages

English

Billing currencies

🇺🇸USD

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