Best Kickbox Alternatives in 2026
Looking for alternatives to Kickbox? Compare the top data enrichment tools by pricing, features, and integrations.
Kickbox is a B2B email verification platform that checks list and database addresses for deliverability and flags invalid, risky, disposable, role-based and accept-all addresses through bulk list verification and a real-time API. Teams needing broader lead databases, multichannel campaigns, or wider integration ecosystems often look at alternatives such as Apollo.io, Seamless.AI, or UpLead instead.
Key takeaways
- Apollo.io offers a free starting tier with 210M+ contacts and 30M+ companies, plus AI-powered multichannel campaigns.
- Seamless.AI provides a real-time B2B contact search engine with email and cell phone lookups, pitch intelligence, and data enrichment, starting free.
- UpLead lists a 95%+ data accuracy guarantee, real-time email verification, 200M+ leads worldwide, and 50+ search filters, starting free.
- Adapt.io includes 250M+ business contacts, 10M+ company profiles, and a Prospector Chrome extension, starting free.
- ZoomInfo lists 260M+ published professional profiles, 100M+ company profiles, and 150M+ direct emails, starting free.
Reviewed and updated September 2, 2026
Best Kickbox Alternatives in 2026
Kickbox is a data enrichment tool built for B2B lead data and contact enrichment. It offers a free tier. It may not be the right fit for every team. Here are the alternatives worth a look, drawn from each vendor's own published pricing and feature pages.
Why Consider Alternatives to Kickbox
Kickbox is a email verification platform that checks list and database addresses for deliverability, flagging invalid, risky, disposable, role-based and accept-all addresses, through bulk list verification and a real-time API. It offers a free tier. Its own pages list email list verification, email verification api, deliverability consulting.
There are several reasons you might look at other options:
Feature fit: Your team may need specific capabilities that Kickbox doesn't offer or handles differently.
Integration needs: If your tech stack requires integrations that Kickbox doesn't support natively, an alternative might connect more smoothly.
Top Kickbox Alternatives
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- and 6 more listed below
- Real-time B2B contact search engine
- Email and cell phone lookups
- Pitch intelligence
- Data enrichment
- and 6 more listed below
- 200M+ B2B leads worldwide
- 95%+ data accuracy guarantee
- Real-time email verification
- 50+ search filters
- and 6 more listed below
1. Apollo.io
Starting Price: Free | Website: apollo.io
All-in-one sales intelligence platform with 210M+ contacts, AI-powered campaigns, and built-in email sequencing.
Key Advantages over Kickbox:
- More features listed (10 vs 8)
- Listed by Apollo.io and not by Kickbox (by each vendor's own wording): 210M+ contacts database, 30M+ companies, AI-powered multichannel campaigns
Considerations:
- Smaller integration ecosystem
Notable Features: 210M+ contacts database, 30M+ companies, AI-powered multichannel campaigns, Email deliverability guardrails, Anonymous visitor identification
Integrations: Salesforce, HubSpot, Outreach, SalesLoft, Marketo, SendGrid, LinkedIn
2. Seamless.AI
Starting Price: Free | Website: seamless.ai
AI-powered sales lead platform with real-time contact search engine, pitch intelligence, and data enrichment for B2B prospecting.
Key Advantages over Kickbox:
- More features listed (10 vs 8)
- Listed by Seamless.AI and not by Kickbox (by each vendor's own wording): Real-time B2B contact search engine, Email and cell phone lookups, Pitch intelligence
Considerations:
- Smaller integration ecosystem
Notable Features: Real-time B2B contact search engine, Email and cell phone lookups, Pitch intelligence, Data enrichment, Buyer intent data (add-on)
Integrations: Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, Zapier
3. UpLead
Starting Price: Free | Website: uplead.com
B2B prospecting platform with 95%+ data accuracy guarantee, real-time email verification, and 200M+ leads worldwide.
Key Advantages over Kickbox:
- More features listed (10 vs 8)
- Listed by UpLead and not by Kickbox (by each vendor's own wording): 200M+ B2B leads worldwide, 95%+ data accuracy guarantee, Real-time email verification
Considerations:
- Smaller integration ecosystem
Notable Features: 200M+ B2B leads worldwide, 95%+ data accuracy guarantee, Real-time email verification, 50+ search filters, Technographics for 16,000+ technologies
Integrations: Salesforce, HubSpot, Zoho CRM, Pipedrive, Microsoft Dynamics 365, Outreach, SalesLoft, Zapier
4. Adapt.io
Starting Price: Free | Website: adapt.io
B2B lead intelligence platform with 250M+ contacts, Prospector Chrome extension, and data enrichment with 50+ attributes.
Key Advantages over Kickbox:
- More features listed (10 vs 8)
- Listed by Adapt.io and not by Kickbox (by each vendor's own wording): 250M+ business contacts, 10M+ company profiles, Prospector Chrome extension
Considerations:
- Smaller integration ecosystem
Notable Features: 250M+ business contacts, 10M+ company profiles, Prospector Chrome extension, Data enrichment with 50+ attributes, Lead builder with advanced filters
Integrations: Salesforce, HubSpot, Zoho CRM, Marketo, Outreach, Zapier
5. LeadIQ
Starting Price: Free | Website: leadiq.com
B2B prospecting platform with AI-powered email personalization (Scribe), champion tracking, and one-click CRM capture.
Key Advantages over Kickbox:
- More features listed (10 vs 8)
- Listed by LeadIQ and not by Kickbox (by each vendor's own wording): Scribe AI email personalization, Champion tracking for job changes, One-click CRM capture
Considerations:
- Smaller integration ecosystem
Notable Features: Scribe AI email personalization, Champion tracking for job changes, One-click CRM capture, Verified work emails and mobile numbers, Account and contact discovery
Integrations: Salesforce, HubSpot, Outreach, SalesLoft, Gong, LinkedIn Sales Navigator, Gmail, Zapier
6. ZoomInfo
Starting Price: Free | Website: zoominfo.com
Enterprise B2B database with 260M+ professional profiles, intent data, and comprehensive company intelligence.
Key Advantages over Kickbox:
- More features listed (9 vs 8)
- Listed by ZoomInfo and not by Kickbox (by each vendor's own wording): 260M+ published professional profiles, 100M+ company profiles, 150M+ direct emails
Considerations:
- Smaller integration ecosystem
Notable Features: 260M+ published professional profiles, 100M+ company profiles, 150M+ direct emails, 135M+ verified phone numbers, 65M+ direct dials
Integrations: Salesforce, HubSpot, Microsoft Dynamics 365, Marketo, Outreach, SalesLoft
7. Lusha
Starting Price: Free | Website: lusha.com
B2B contact database with browser extension for LinkedIn prospecting, CSV enrichment, and intent signals.
Key Advantages over Kickbox:
- More features listed (9 vs 8)
- Broader integration ecosystem (12 vs 10 integrations)
- Listed by Lusha and not by Kickbox (by each vendor's own wording): Browser extension for LinkedIn, CSV enrichment, Bulk contact reveal
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: Browser extension for LinkedIn, CSV enrichment, Bulk contact reveal, Intent signal alerts, Technology stack data
Integrations: Gmail, Outlook, Salesforce, HubSpot, Outreach, Microsoft Dynamics 365, Pipedrive, SalesLoft, and 4 more
8. ContactOut
Starting Price: Free | Website: contactout.com
Email and phone finder with a LinkedIn-focused browser extension, AI-powered email campaigns, and a 700M+ profile bulk license on the Team plan.
Key Advantages over Kickbox:
- More features listed (9 vs 8)
- Listed by ContactOut and not by Kickbox (by each vendor's own wording): One user per company limit on Free, Email and Email + Phone plans, Browser extension for LinkedIn, Email campaigns
Considerations:
- Smaller integration ecosystem
Notable Features: One user per company limit on Free, Email and Email + Phone plans, Browser extension for LinkedIn, Email campaigns, AI email writer, Data enrichment
Integrations: Salesforce, HubSpot, Greenhouse, Lever, Bullhorn, Zapier, Gmail, Outlook
9. SignalHire
Starting Price: Free | Website: signalhire.com
Real-time verified contact finder with browser extension for LinkedIn, Facebook, and Twitter, plus team collaboration features.
Key Advantages over Kickbox:
- More features listed (9 vs 8)
- Listed by SignalHire and not by Kickbox (by each vendor's own wording): Real-time verified contact data, Browser extension for LinkedIn, Facebook, Twitter, Unlimited users on all plans
Considerations:
- Smaller integration ecosystem
Notable Features: Real-time verified contact data, Browser extension for LinkedIn, Facebook, Twitter, Unlimited users on all plans, Team management and collaboration, CSV export
Integrations: Salesforce, HubSpot, Greenhouse, Lever, Zapier, Gmail, Outlook
10. Datanyze
Starting Price: Free | Website: datanyze.com
B2B contact and company data platform (by ZoomInfo) specializing in technographic data and affordable prospecting for SMBs.
Key Advantages over Kickbox:
- More features listed (9 vs 8)
- Listed by Datanyze and not by Kickbox (by each vendor's own wording): Technographic data and insights, Chrome extension for LinkedIn, Direct email and phone lookups
Considerations:
- Smaller integration ecosystem
Notable Features: Technographic data and insights, Chrome extension for LinkedIn, Direct email and phone lookups, Company and contact profiles, Icebreaker conversation starters
Integrations: Google Chrome, Salesforce, HubSpot
11. Prospeo
Starting Price: Free | Website: prospeo.io
B2B lead search and data enrichment platform for verified work emails, direct mobile numbers, intent signals, and CRM data enrichment.
Key Advantages over Kickbox:
- Listed by Prospeo and not by Kickbox (by each vendor's own wording): People & Company Search, AI Search & Lookalikes, Chrome Extension
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: People & Company Search, AI Search & Lookalikes, Chrome Extension, CRM Data Enrichment, Find mobile numbers
Integrations: Salesforce, HubSpot, Pipedrive, Zoho, Close, monday.com, Smartlead, Instantly, and 2 more
12. Kaspr
Starting Price: Free | Website: www.kaspr.io
B2B contact data tool with a LinkedIn Chrome extension for phone numbers and email addresses, lead management, bulk enrichment and CRM sync.
Key Advantages over Kickbox:
- Listed by Kaspr and not by Kickbox (by each vendor's own wording): Kaspr Chrome Extension, Lead Management, Enrichment Automations
Considerations:
- Smaller integration ecosystem
Notable Features: Kaspr Chrome Extension, Lead Management, Enrichment Automations, CSV Enrichment, Kaspr on Sales Navigator
Integrations: HubSpot, Salesforce, Pipedrive, Zoho CRM, Brevo, Lemlist, Zapier, Ringover, and 1 more
13. Wiza
Starting Price: Free | Website: wiza.co
B2B prospecting tool that verifies emails and phone numbers at the moment they are requested, with LinkedIn and Sales Navigator export and CRM push.
Key Advantages over Kickbox:
- Listed by Wiza and not by Kickbox (by each vendor's own wording): Unlimited email reveals, AI Research, CRM integrations
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: Unlimited email reveals, AI Research, CRM integrations, Team analytics, Wiza Prospect
Integrations: Salesforce, Outreach, HubSpot, Pipedrive, Zoho CRM, Salesloft, Attio, Gong Engage, and 2 more
14. Skrapp.io
Starting Price: Free | Website: skrapp.io
B2B email finder and lead search tool that returns verified business emails, qualified leads and enriched data, with LinkedIn and Sales Navigator Chrome extensions.
Key Advantages over Kickbox:
- Listed by Skrapp.io and not by Kickbox (by each vendor's own wording): Email Finder, Email Verifier, Multi-Page Enrichment for LinkedIn
Considerations:
- Smaller integration ecosystem
Notable Features: Email Finder, Email Verifier, Multi-Page Enrichment for LinkedIn, Auto-Connect with LinkedIn Profiles, List Saver for Sales Navigator
Integrations: Salesforce, HubSpot, LinkedIn, Sales Navigator, LinkedIn Recruiter
15. People Data Labs
Starting Price: Free | Website: www.peopledatalabs.com
B2B person and company data provider that collects, standardizes and refreshes workforce datasets and delivers them through enrichment and search APIs, licensed data feeds and cloud data platforms.
Key Advantages over Kickbox:
- Listed by People Data Labs and not by Kickbox (by each vendor's own wording): Person Data, Company Data, Job Posting Data
Considerations:
- Smaller integration ecosystem
Notable Features: Person Data, Company Data, Job Posting Data, Contact data included, Access to premium fields
Integrations: Make, Ping Identity, Zapier, Snowflake, Bouncer, Databricks, Salesforce
16. Surfe
Starting Price: Free | Website: www.surfe.com
GTM data platform that finds, enriches and activates accounts and contacts with real-time data and buying signals from multiple providers, with a Chrome extension, CRM sync and an API.
Key Advantages over Kickbox:
- Listed by Surfe and not by Kickbox (by each vendor's own wording): Company & People Search, Email validation, Business Network integration
Considerations:
- Smaller integration ecosystem
Notable Features: Company & People Search, Email validation, Business Network integration, GSheets integration, Surfe for CRM connector
Integrations: HubSpot, Pipedrive, Salesforce, Aircall, Clay, Lemlist, n8n, Outreach, and 1 more
17. Hunter
Starting Price: Free | Website: hunter.io
Hunter finds and verifies professional email addresses for marketers, salespeople and recruiters, and also sends cold email sequences from the same platform.
Key Advantages over Kickbox:
- Listed by Hunter and not by Kickbox (by each vendor's own wording): Domain Search, Email Finder, Email Verifier
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: Domain Search, Email Finder, Email Verifier, Auto-verification, Lead enrichment
Integrations: HubSpot, Salesforce, Pipedrive, Zoho CRM, Gmail, Outlook, Google Sheets, Zapier, and 2 more
18. FindThatLead
Starting Price: Free | Website: findthatlead.com
B2B lead generation platform that finds and verifies email addresses, builds prospect lists and sends cold email campaigns. Includes an internal CRM and a Chrome extension.
Key Advantages over Kickbox:
- Listed by FindThatLead and not by Kickbox (by each vendor's own wording): Email Finder, Email Verifier, Prospector - Automatic Prospecting Tool
Considerations:
- Smaller integration ecosystem
Notable Features: Email Finder, Email Verifier, Prospector - Automatic Prospecting Tool, Email Sender, Bulk Processing
Integrations: Salesforce, Pipedrive, HubSpot, Zapier
19. GetProspect
Starting Price: Free | Website: getprospect.com
Email finder and B2B contact database that supplies valid emails, phone numbers and company data to sales teams, marketers and recruiters. Also verifies emails and sends cold email sequences.
Key Advantages over Kickbox:
- Listed by GetProspect and not by Kickbox (by each vendor's own wording): Credits roll over, Proprietary catch-all email verification, LinkedIn extension
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: Credits roll over, Proprietary catch-all email verification, LinkedIn extension, Bulk email finder, CSV Enrichment
Integrations: HubSpot, Salesforce, Pipedrive, Zoho CRM, Gmail, Outlook, Google Sheets, Airtable, and 2 more
20. Clodura.AI
Starting Price: Free | Website: www.clodura.ai
B2B prospecting platform with a contact database, waterfall email and phone number enrichment, buyer intent signals, automated email sequences and outbound calling. Credits are shared across unlimited users.
Key Advantages over Kickbox:
- Listed by Clodura.AI and not by Kickbox (by each vendor's own wording): 600 M+ Leads Database, 50+ Waterfall Email Finder & Verifier, 20+ Waterfall Phone Number Finder
Considerations:
- Smaller integration ecosystem
Notable Features: 600 M+ Leads Database, 50+ Waterfall Email Finder & Verifier, 20+ Waterfall Phone Number Finder, Org Chart, Buyer Intent Signals
Integrations: Salesforce, Freshsales, Pipedrive, HubSpot, Zoho, Microsoft Dynamics 365, Gmail, Outlook
21. FullEnrich
Starting Price: Free | Website: www.fullenrich.com
B2B contact enrichment platform returning verified work emails, personal emails and mobile phone numbers through waterfall enrichment across 25+ data sources. Available in the app, a REST API and an MCP server.
Key Advantages over Kickbox:
- Listed by FullEnrich and not by Kickbox (by each vendor's own wording): Waterfall enrichment across 25+ sources, Mobile Phone Enrichment, Work Email Enrichment
Considerations:
- Smaller integration ecosystem
Notable Features: Waterfall enrichment across 25+ sources, Mobile Phone Enrichment, Work Email Enrichment, Personal Email Enrichment, Reverse Email Lookup
Integrations: HubSpot, Clay, Zapier, Make, n8n, Claude, OpenAI, Manus
22. Datagma
Starting Price: Free | Website: datagma.com
Real-time B2B data enrichment returning verified emails and direct mobile numbers. Every plan includes 10 seats, API access and a shared credit pool.
Key Advantages over Kickbox:
- Listed by Datagma and not by Kickbox (by each vendor's own wording): Phone Finder, Email Finder, 10 seats included
Considerations:
- Smaller integration ecosystem
Notable Features: Phone Finder, Email Finder, 10 seats included, API access, WhatsApp integration
Integrations: Clay, Lemlist, Instantly, Make, Salesforce, BetterContact, FullEnrich, Zeliq
23. TheirStack
Starting Price: Free | Website: theirstack.com
Job posting and technographics database for sales teams. Finds companies by the technologies they use and the roles they are hiring for, and enriches a company list with technographics and buying intent.
Key Advantages over Kickbox:
- Listed by TheirStack and not by Kickbox (by each vendor's own wording): Job search, Company search, Company lookup
Considerations:
- Smaller integration ecosystem
Notable Features: Job search, Company search, Company lookup, Enrichment, Exports
Integrations: Clay, LinkedIn Audiences, Make, N8N, Zapier
24. Coresignal
Starting Price: Free | Website: coresignal.com
B2B web data provider serving company, employee and job posting records through search and enrichment APIs, a natural language agentic search API, and bulk datasets.
Key Advantages over Kickbox:
- Listed by Coresignal and not by Kickbox (by each vendor's own wording): Multi-source endpoints, Agentic Search API, Elasticsearch DSL
Considerations:
- Smaller integration ecosystem
Notable Features: Multi-source endpoints, Agentic Search API, Elasticsearch DSL, Webhooks, Search preview
Integrations: n8n, Zapier, Clay, Databricks, Google Cloud, Amazon S3, Snowflake, Azure
25. Tomba
Starting Price: Free | Website: tomba.io
Email finder and verifier with domain search, LinkedIn and author email lookup, phone finding, company enrichment and bulk processing, charged per valid result.
Key Advantages over Kickbox:
- Listed by Tomba and not by Kickbox (by each vendor's own wording): Native & Exclusive Email Validation, Advanced Catch-All Verification, Company Name to Domain Matching
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: Native & Exclusive Email Validation, Advanced Catch-All Verification, Company Name to Domain Matching, Company Data Enrichment, Real-time API
Integrations: Hubspot, Pipedrive, Zapier, Make, n8n, Airtable, Mailchimp, Claude, and 2 more
26. Nymeria
Starting Price: Free | Website: www.nymeria.io
People and company data provider supplying work and personal email addresses, mobile phone numbers, biographic data and company firmographics through a REST API, search and browser extensions.
Key Advantages over Kickbox:
- Listed by Nymeria and not by Kickbox (by each vendor's own wording): Email Data, Phone Data, Unlimited Team Members
Considerations:
- Smaller integration ecosystem
Notable Features: Email Data, Phone Data, Unlimited Team Members, Personal emails, Work emails
Integrations: Chrome, Edge, Firefox, LinkedIn
27. ZeroBounce
Starting Price: Free | Website: www.zerobounce.net
Email verification service that validates email addresses in bulk or through a real-time API and scores catch-all addresses. Also offers an email finder, inbox placement testing, blacklist and DMARC monitoring and email warmup.
Key Advantages over Kickbox:
- Listed by ZeroBounce and not by Kickbox (by each vendor's own wording): Email Validation, Email Scoring, Email Finder
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: Email Validation, Email Scoring, Email Finder, Inbox Placement Tests, Email Server Tests
Integrations: HubSpot, Salesforce, Mailchimp, Klaviyo, ActiveCampaign, Pipedrive, Zoho CRM, Zapier, and 2 more
28. Emailable
Starting Price: Free | Website: emailable.com
Email verification service that validates addresses in bulk, through an API or a signup-form widget, and charges one credit per verification. Also runs inbox placement reports and blacklist monitoring.
Key Advantages over Kickbox:
- Listed by Emailable and not by Kickbox (by each vendor's own wording): Bulk, Verifier, API
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: Bulk, Verifier, API, Widget, Inbox Reports
Integrations: HubSpot, Salesforce, Mailchimp, Klaviyo, ActiveCampaign, Brevo, Pipedrive, Google Sheets, and 2 more
29. Clearout
Starting Price: Free | Website: clearout.io
Email verification service that validates addresses in bulk, through an API and on signup forms in real time. Also finds business email addresses and monitors contact data already inside a CRM.
Key Advantages over Kickbox:
- Listed by Clearout and not by Kickbox (by each vendor's own wording): Email Verifier, Email Finder, Form Guard
Considerations:
- Smaller integration ecosystem
Notable Features: Email Verifier, Email Finder, Form Guard, Data Pulse, Clearout Add-ons For Google Sheets
Integrations: HubSpot, Google Sheets, Zapier, Make, Zoho
30. MillionVerifier
Starting Price: Free | Website: www.millionverifier.com
Bulk email verification service that cleans uploaded lists, checks single addresses in real time and verifies through an API. Connects to email marketing platforms to import lists and remove bad addresses automatically.
Key Advantages over Kickbox:
- Listed by MillionVerifier and not by Kickbox (by each vendor's own wording): Email Checker (single), Email List Verification (CSV), Bulk Verifier
Considerations:
- Requires evaluation to see if it fits your specific workflow
Notable Features: Email Checker (single), Email List Verification (CSV), Bulk Verifier, Email Verifier API, ESP integrations import
Integrations: Mailchimp, Hubspot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, and 2 more
31. PredictLeads
Starting Price: Free | Website: predictleads.com
Company intelligence API that returns news events, job openings, technologies, key customers and similar companies for a company, and pushes real-time signals to a webhook.
Key Advantages over Kickbox:
- Listed by PredictLeads and not by Kickbox (by each vendor's own wording): News Events, Job Openings, Technologies
Considerations:
- Smaller integration ecosystem
Notable Features: News Events, Job Openings, Technologies, Key Customers, Similar Companies
Integrations: Clay, n8n, Make.com, Pipedream, Apify, Postman, ActivePieces, Cargo, and 1 more
32. Scrupp
Starting Price: Free | Website: scrupp.com
Cloud-based LinkedIn, Sales Navigator and Apollo scraper that exports leads and enriches them with verified emails, phone numbers and company data. Credits are charged only when a contact detail is found.
Key Advantages over Kickbox:
- Listed by Scrupp and not by Kickbox (by each vendor's own wording): Sales Navigator export, LinkedIn export, Apollo export
Considerations:
- Smaller integration ecosystem
Notable Features: Sales Navigator export, LinkedIn export, Apollo export, Google Maps & local business scraping, Verified email enrichment
Integrations: Google Sheets, HubSpot, Salesforce, Clay, Notion, Pipedrive, Slack, Airtable
33. Verifalia
Starting Price: Free | Website: verifalia.com
Email verification service that checks submitted addresses in real time against the target mail exchangers, with bulk list cleaning, typo suggestions and detection of disposable, free and role-based addresses.
Key Advantages over Kickbox:
- Listed by Verifalia and not by Kickbox (by each vendor's own wording): Real-time email checker, Bulk list verifications, Bot detection / CAPTCHA
Considerations:
- Smaller integration ecosystem
Notable Features: Real-time email checker, Bulk list verifications, Bot detection / CAPTCHA, Custom classification scheme, Classification overrides
Integrations: Zapier, Pipedream, Cloudflare Turnstile, Google reCAPTCHA, hCaptcha
34. MailerCheck
Starting Price: Free | Website: www.mailercheck.com
Email list verification and deliverability testing tool that validates single addresses, bulk lists or new signups through an API, and tests email content and inbox placement before a send.
Key Advantages over Kickbox:
- Listed by MailerCheck and not by Kickbox (by each vendor's own wording): Email Insights, Inbox Placement, Real-time API verification
Considerations:
- Smaller integration ecosystem
Notable Features: Email list verification, Email Insights, Inbox Placement, Real-time API verification, Usage report
Integrations: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, Make
35. NeverBounce
Starting Price: Usage-based | Website: neverbounce.com
Email verification service that cleans bulk email lists and verifies addresses in real time through an API. Fixes common typos, returns the company name for an address and syncs cleaned lists back to a CRM.
Key Advantages over Kickbox:
- Listed by NeverBounce and not by Kickbox (by each vendor's own wording): Bulk Email List Cleaning, Real-time Email Verification, Sync
Considerations:
- Higher starting price (Usage-based vs Free)
- Smaller integration ecosystem
Notable Features: Bulk Email List Cleaning, Real-time Email Verification, Sync, Typos fixed automatically, Get the company name from each email
Integrations: Zapier, n8n, HubSpot, Mailchimp
36. Bouncer
Starting Price: Usage-based | Website: www.usebouncer.com
Email verification service that cleans lists in bulk or through an API and verifies addresses on signup forms in real time. Also runs inbox placement, blocklist, SPF, DKIM and DMARC deliverability tests.
Key Advantages over Kickbox:
- Listed by Bouncer and not by Kickbox (by each vendor's own wording): Email Verification, Bouncer Shield, Deliverability Kit
Considerations:
- Higher starting price (Usage-based vs Free)
Notable Features: Email Verification, Bouncer Shield, Deliverability Kit, Inbox placement tests, IP & domain blocklist tests
Integrations: HubSpot, Mailchimp, Klaviyo, Brevo, Pipedrive, Make, MailerLite, GetResponse, and 2 more
37. Evaboot
Starting Price: $9/mo | Website: evaboot.com
Exports the results of a LinkedIn Sales Navigator search, cleans them against the search filters, and finds and verifies the email addresses. Requires the user to have their own Sales Navigator seat.
Key Advantages over Kickbox:
- Listed by Evaboot and not by Kickbox (by each vendor's own wording): Sales Navigator Export, Email Finder, Email Verifier
Considerations:
- Higher starting price ($9/mo vs Free)
- Smaller integration ecosystem
Notable Features: Sales Navigator Export, Email Finder, Email Verifier, Linkedin URL Enrichment, Data Cleaning
Integrations: Zapier, N8N, Make, Clay, HubSpot
38. BetterContact
Starting Price: $15/mo | Website: bettercontact.rocks
Waterfall enrichment tool that aggregates more than 20 data providers in one subscription to find and verify work emails and mobile phone numbers, and charges only for valid results.
Key Advantages over Kickbox:
- Listed by BetterContact and not by Kickbox (by each vendor's own wording): Waterfall Lead Finder, Waterfall enrichment (20+ vendors), Only charged when valid
Considerations:
- Higher starting price ($15/mo vs Free)
- Smaller integration ecosystem
Notable Features: Waterfall Lead Finder, Waterfall enrichment (20+ vendors), Only charged when valid, Credit roll-over, Email & Catch-all verification
Integrations: Hubspot, Google Sheets, Make.com, Clay
39. Icypeas
Starting Price: $19/mo | Website: icypeas.com
Helps B2B teams find and verify professional email addresses, enrich leads and identify LinkedIn profiles, through a web app or an API. Credits are charged only for found emails.
Key Advantages over Kickbox:
- Listed by Icypeas and not by Kickbox (by each vendor's own wording): Email Finder, Email Verifier, Domain Scan
Considerations:
- Higher starting price ($19/mo vs Free)
- Smaller integration ecosystem
Notable Features: Email Finder, Email Verifier, Domain Scan, Profile Scraper, Company Scraper
Integrations: Google Sheets, n8n, Make, Zapier, Clay, MCP
40. Clearbit
Starting Price: $45/mo | Website: clearbit.com
B2B data enrichment platform (now Breeze Intelligence by HubSpot) with real-time enrichment and visitor identification.
Key Advantages over Kickbox:
- Listed by Clearbit and not by Kickbox (by each vendor's own wording): Global data coverage, Lead, contact, and account enrichment, Real-time lead scoring and routing
Considerations:
- Higher starting price ($45/mo vs Free)
- Smaller integration ecosystem
Notable Features: Global data coverage, Lead, contact, and account enrichment, Real-time lead scoring and routing, IP intelligence for visitor identification, Dynamic form shortening
Integrations: HubSpot, Segment, Marketo, Salesforce
41. Lead411
Starting Price: $49/mo | Website: lead411.com
B2B lead intelligence platform with verified emails, direct dials, growth intent data, and unlimited search capabilities.
Key Advantages over Kickbox:
- More features listed (10 vs 8)
- Listed by Lead411 and not by Kickbox (by each vendor's own wording): Verified emails and direct dials, Bombora intent data, Growth intent signals
Considerations:
- Higher starting price ($49/mo vs Free)
- Smaller integration ecosystem
Notable Features: Verified emails and direct dials, Bombora intent data, Growth intent signals, Unlimited email views, Chrome extension for LinkedIn
Integrations: Salesforce, HubSpot, Zoho CRM, Pipedrive, Outreach, SalesLoft, Zapier, Make
42. Findymail
Starting Price: $49/mo | Website: findymail.com
B2B email finder and data platform that resolves and verifies emails, phone numbers and company data in real time.
Key Advantages over Kickbox:
- Listed by Findymail and not by Kickbox (by each vendor's own wording): Verified B2B emails only, Proprietary catch-all email verification, Mobile phone number finder
Considerations:
- Higher starting price ($49/mo vs Free)
Notable Features: Verified B2B emails only, Proprietary catch-all email verification, Mobile phone number finder, Intellimatch AI lead finder, Credits roll over up to 2x your plan
Integrations: HubSpot, Salesforce, Pipedrive, Zoho CRM, Close, Copper, Smartlead, Instantly, and 2 more
43. VoilaNorbert
Starting Price: $49/mo | Website: www.voilanorbert.com
Email finder that returns a contact email address from a person name and a company domain. Also verifies email lists, enriches leads and sends email sequences.
Key Advantages over Kickbox:
- Listed by VoilaNorbert and not by Kickbox (by each vendor's own wording): Email finder, Email verification, Enrichment
Considerations:
- Higher starting price ($49/mo vs Free)
Notable Features: Email finder, Email verification, Enrichment, Sequences, Chrome Extension
Integrations: Zapier, Salesforce, Pipedrive, Mailshake, Drip, Hubspot, Close.com, Mailchimp, and 2 more
44. CompanyEnrich
Starting Price: $49/mo | Website: companyenrich.com
Real-time B2B company and people data delivered as an API for platforms, AI agents and sales teams. Covers company enrichment, search, funding, hiring and headcount signals.
Key Advantages over Kickbox:
- Listed by CompanyEnrich and not by Kickbox (by each vendor's own wording): Company Enrichment API, Company Search API, People Search API
Considerations:
- Higher starting price ($49/mo vs Free)
- Smaller integration ecosystem
Notable Features: Company Enrichment API, Company Search API, People Search API, CRM Enrichment API, Similar Companies API
Integrations: Clay, Cargo, Databar, n8n, Intercom, HubSpot
45. LeadMagic
Starting Price: $49.99/mo | Website: leadmagic.io
Pay-per-result B2B data platform for verified emails, direct mobile numbers, company intelligence and buying signals, delivered through CSV, API, an MCP server and integrations.
Key Advantages over Kickbox:
- Listed by LeadMagic and not by Kickbox (by each vendor's own wording): Email Finder, Mobile Finder, Email Validation
Considerations:
- Higher starting price ($49.99/mo vs Free)
Notable Features: Email Finder, Mobile Finder, Email Validation, Job Change Detector, Waterfall Enrichment
Integrations: Smartlead, Instantly, Email Bison, Salesforce, Zapier, Slack, n8n, Make, and 2 more
46. RocketReach
Starting Price: $69/mo | Website: rocketreach.co
Global contact and company search platform with 700M+ profiles, verified emails, direct dials, and org chart intelligence.
Key Advantages over Kickbox:
- More features listed (10 vs 8)
- Listed by RocketReach and not by Kickbox (by each vendor's own wording): 700M+ professional profiles, Verified email addresses and phone numbers, Advanced people and company search
Considerations:
- Higher starting price ($69/mo vs Free)
- Smaller integration ecosystem
Notable Features: 700M+ professional profiles, Verified email addresses and phone numbers, Advanced people and company search, Chrome and Edge browser extensions, Built-in email verification
Integrations: Salesforce, HubSpot, Outreach, SalesLoft, Bullhorn, Zapier
47. Clay
Starting Price: $185/mo | Website: clay.com
Data enrichment and workflow automation platform with 150+ integrations and AI-powered enrichment (Claygent).
Key Advantages over Kickbox:
- More features listed (9 vs 8)
- Broader integration ecosystem (14 vs 10 integrations)
- Listed by Clay and not by Kickbox (by each vendor's own wording): 150+ data provider integrations, AI-powered enrichment (Claygent), Unlimited users on all plans
Considerations:
- Higher starting price ($185/mo vs Free)
Notable Features: 150+ data provider integrations, AI-powered enrichment (Claygent), Unlimited users on all plans, Credit rollover, Workflow automation
Integrations: Salesforce, HubSpot, Pipedrive, Close, Apollo.io, Clearbit, ZoomInfo, Lemlist, and 6 more
48. Champify
Starting Price: $2000/mo | Website: www.champify.io
Relationship intelligence tool that tracks when past customers, users and champions change jobs, enriches them in Salesforce, and routes them to sellers as warm pipeline.
Key Advantages over Kickbox:
- Listed by Champify and not by Kickbox (by each vendor's own wording): Relationship Tracking, Insider AI, CRM Clean
Considerations:
- Higher starting price ($2000/mo vs Free)
Notable Features: Relationship Tracking, Insider AI, CRM Clean, Calendar Sync, Custom Playbooks
Integrations: Salesforce, Marketo, Gong, Outreach, Salesloft, Slack, 6sense, Gainsight, and 2 more
49. Common Room
Starting Price: $2500/mo | Website: www.commonroom.io
Buyer intelligence platform that unifies first-party data, enrichment and real-world buying signals into identity-resolved person and account profiles, with AI agents and embedded workflows.
Key Advantages over Kickbox:
- Listed by Common Room and not by Kickbox (by each vendor's own wording): Person360, Account & Contact Scoring, Ask CR Anything
Considerations:
- Higher starting price ($2500/mo vs Free)
Notable Features: Person360, Account & Contact Scoring, Ask CR Anything, Spark Notifications, Spark Briefs
Integrations: Slack, Salesforce, HubSpot, GitHub, Discord, LinkedIn, Snowflake, Marketo, and 2 more
50. UserGems
Starting Price: $3333/mo | Website: www.usergems.com
Surfaces companies and buyers showing buying signals, then discovers, enriches and scores the matching accounts and contacts. Deploys AI agents to run outbound and account-based marketing from those signals.
Key Advantages over Kickbox:
- Listed by UserGems and not by Kickbox (by each vendor's own wording): Build List (create & enrich), Account & Contact Scoring, Automated Campaigns
Considerations:
- Higher starting price ($3333/mo vs Free)
- Smaller integration ecosystem
Notable Features: Build List (create & enrich), Account & Contact Scoring, Automated Campaigns, Writing Agent, Research Agent
Integrations: Salesforce, Hubspot, Outreach, Salesloft, Gong Engage, Linkedin, Meta, Google
51. Cognism
Starting Price: Contact Sales | Website: cognism.com
Premium B2B sales intelligence platform with GDPR-compliant data, phone-verified Diamond Data contacts, and intent signals.
Key Advantages over Kickbox:
- More features listed (10 vs 8)
- Listed by Cognism and not by Kickbox (by each vendor's own wording): Diamond Data phone-verified contacts, GDPR and CCPA compliant data, Intent data powered by Bombora
Considerations:
- Higher starting price (Contact Sales vs Free)
- Smaller integration ecosystem
Notable Features: Diamond Data phone-verified contacts, GDPR and CCPA compliant data, Intent data powered by Bombora, Technographic data, Job change and funding alerts
Integrations: Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, Bullhorn, Zapier
52. Dropcontact
Starting Price: Contact Sales | Website: www.dropcontact.com
Algorithmic B2B email finder and enrichment service that finds emails, enriches, deduplicates and updates contacts in a CRM or a file, processed on EU servers.
Key Advantages over Kickbox:
- Listed by Dropcontact and not by Kickbox (by each vendor's own wording): Pay on success, B2B email enrichment, Native and exclusive email validation
Considerations:
- Higher starting price (Contact Sales vs Free)
Notable Features: Pay on success, B2B email enrichment, Native and exclusive email validation, Advanced catch-all verification, API & MCP access
Integrations: Pipedrive, HubSpot, monday, folk, Google Sheets, Zapier, n8n, Make, and 2 more
53. Anymail Finder
Starting Price: Contact Sales | Website: anymailfinder.com
Email finder that verifies every address live against the recipient mail server before charging a credit. Finds a person email from a name and domain or a LinkedIn URL, company emails by domain, and decision makers by role.
Key Advantages over Kickbox:
- Listed by Anymail Finder and not by Kickbox (by each vendor's own wording): Email Finder, Bulk Email Finder, Email Finder API
Considerations:
- Higher starting price (Contact Sales vs Free)
- Smaller integration ecosystem
Notable Features: Email Finder, Bulk Email Finder, Email Finder API, Email Verifier, Chrome Extension
Integrations: Google Sheets, Zapier, Make, Clay, n8n, Claude, ChatGPT, Cursor
54. Enrich Layer
Starting Price: Usage-based | Website: enrichlayer.com
A fully-managed data enrichment layer for B2B applications. One REST API returns person profiles, company firmographics, job postings and web signals in a single schema.
Key Advantages over Kickbox:
- Listed by Enrich Layer and not by Kickbox (by each vendor's own wording): People API, Company API, Jobs API
Considerations:
- Higher starting price (Usage-based vs Free)
- Smaller integration ecosystem
Notable Features: People API, Company API, Jobs API, Search API, Contact API
Integrations: Zapier, n8n, Clay, Workato, Pipedream, Node-RED, Salesforce, OpenClaw
55. Ocean.io
Starting Price: Usage-based | Website: www.ocean.io
B2B prospecting and enrichment platform that returns verified emails and direct phone numbers on one credit system shared across the platform and the API.
Key Advantages over Kickbox:
- Listed by Ocean.io and not by Kickbox (by each vendor's own wording): AI-powered lookalike filters, Waterfall enrichment (16+ data sources), Double email verification (incl. catch-alls)
Considerations:
- Higher starting price (Usage-based vs Free)
- Smaller integration ecosystem
Notable Features: AI-powered lookalike filters, Waterfall enrichment (16+ data sources), Double email verification (incl. catch-alls), Direct phone numbers, Chrome extension
Integrations: HubSpot, Pipedrive, Salesforce, Clay
56. Crustdata
Starting Price: Usage-based | Website: crustdata.com
B2B data API for company, person, job and social post search, enrichment and identity resolution, also delivered as a monthly refreshed flat file dataset.
Key Advantages over Kickbox:
- Listed by Crustdata and not by Kickbox (by each vendor's own wording): Real-time hiring, funding, and company event signals, Credit-based usage tiers, Unified from 11+ trusted sources
Considerations:
- Higher starting price (Usage-based vs Free)
- Smaller integration ecosystem
Notable Features: Real-time hiring, funding, and company event signals, Credit-based usage tiers, Unified from 11+ trusted sources, Delivered as CSV or JSON on-demand, Company Enrichment API
Integrations: Claude, Claude Code, Cursor, VS Code, Slack
Quick Comparison Table
| Tool | Starting Price | Features | Integrations |
|---|---|---|---|
| Kickbox (original) | Free | 8 features | 10 integrations |
| Apollo.io | Free | 10 features | 7 integrations |
| Seamless.AI | Free | 10 features | 7 integrations |
| UpLead | Free | 10 features | 8 integrations |
| Adapt.io | Free | 10 features | 6 integrations |
| LeadIQ | Free | 10 features | 8 integrations |
| ZoomInfo | Free | 9 features | 6 integrations |
| Lusha | Free | 9 features | 12 integrations |
| ContactOut | Free | 9 features | 8 integrations |
| SignalHire | Free | 9 features | 7 integrations |
| Datanyze | Free | 9 features | 3 integrations |
| Prospeo | Free | 8 features | 10 integrations |
| Kaspr | Free | 8 features | 9 integrations |
| Wiza | Free | 8 features | 10 integrations |
| Skrapp.io | Free | 8 features | 5 integrations |
| People Data Labs | Free | 8 features | 7 integrations |
| Surfe | Free | 8 features | 9 integrations |
| Hunter | Free | 8 features | 10 integrations |
| FindThatLead | Free | 8 features | 4 integrations |
| GetProspect | Free | 8 features | 10 integrations |
| Clodura.AI | Free | 8 features | 8 integrations |
| FullEnrich | Free | 8 features | 8 integrations |
| Datagma | Free | 8 features | 8 integrations |
| TheirStack | Free | 8 features | 5 integrations |
| Coresignal | Free | 8 features | 8 integrations |
| Tomba | Free | 8 features | 10 integrations |
| Nymeria | Free | 8 features | 4 integrations |
| ZeroBounce | Free | 8 features | 10 integrations |
| Emailable | Free | 8 features | 10 integrations |
| Clearout | Free | 8 features | 5 integrations |
| MillionVerifier | Free | 8 features | 10 integrations |
| PredictLeads | Free | 8 features | 9 integrations |
| Scrupp | Free | 8 features | 8 integrations |
| Verifalia | Free | 8 features | 5 integrations |
| MailerCheck | Free | 8 features | 7 integrations |
| NeverBounce | Usage-based | 8 features | 4 integrations |
| Bouncer | Usage-based | 8 features | 10 integrations |
| Evaboot | $9/mo | 8 features | 5 integrations |
| BetterContact | $15/mo | 8 features | 4 integrations |
| Icypeas | $19/mo | 8 features | 6 integrations |
| Clearbit | $45/mo | 8 features | 4 integrations |
| Lead411 | $49/mo | 10 features | 8 integrations |
| Findymail | $49/mo | 8 features | 10 integrations |
| VoilaNorbert | $49/mo | 8 features | 10 integrations |
| CompanyEnrich | $49/mo | 8 features | 6 integrations |
| LeadMagic | $49.99/mo | 8 features | 10 integrations |
| RocketReach | $69/mo | 10 features | 6 integrations |
| Clay | $185/mo | 9 features | 14 integrations |
| Champify | $2000/mo | 8 features | 10 integrations |
| Common Room | $2500/mo | 8 features | 10 integrations |
| UserGems | $3333/mo | 8 features | 8 integrations |
| Cognism | Contact Sales | 10 features | 8 integrations |
| Dropcontact | Contact Sales | 8 features | 10 integrations |
| Anymail Finder | Contact Sales | 8 features | 8 integrations |
| Enrich Layer | Usage-based | 8 features | 8 integrations |
| Ocean.io | Usage-based | 8 features | 4 integrations |
| Crustdata | Usage-based | 8 features | 5 integrations |
How to Choose the Right Alternative
Consider these factors when evaluating your options:
Budget: Published entry prices in this roundup range from Free to $3333/mo; 6 of the 56 tools quote on request. Make sure the tool you choose fits both your current budget and projected growth.
B2B lead data and contact enrichment volume: Match the tool's tier limits to your expected usage. Overpaying for capacity you don't need cuts into ROI.
Integration requirements: Check that the alternative connects with your existing CRM, email provider, and automation tools. Migration costs go up when you need to replace workarounds.
Team workflow: The best tool on paper is useless if your team doesn't adopt it. Prioritize platforms that fit how your team already works.
Final Recommendation
There is no single best alternative to Kickbox for every team. Apollo.io, Seamless.AI, UpLead, Adapt.io, LeadIQ, ZoomInfo, Lusha, ContactOut, SignalHire, Datanyze, Prospeo, Kaspr, Wiza, Skrapp.io, People Data Labs, Surfe, Hunter, FindThatLead, GetProspect, Clodura.AI, FullEnrich, Datagma, TheirStack, Coresignal, Tomba, Nymeria, ZeroBounce, Emailable, Clearout, MillionVerifier, PredictLeads, Scrupp, Verifalia, MailerCheck tie for the lowest published entry price at Free. Apollo.io offers the broadest feature set. Trial each platform to see which one aligns with your workflow before committing.
Pricing and features verified as of September 2026. Visit each tool's website for the latest information.
Frequently asked questions.
Frequently asked questions- What does Kickbox actually do?
- Kickbox is an email verification platform that checks list and database addresses for deliverability. It flags invalid, risky, disposable, role-based and accept-all addresses through bulk list verification and a real-time API, and it also offers a free tier along with deliverability consulting.
- Why would a team look for a Kickbox alternative?
- Teams look for alternatives when Kickbox does not offer the specific capabilities they need or handles them differently, which is a feature-fit issue. Integration needs are another reason: if a tech stack requires integrations Kickbox does not support natively, an alternative may connect more smoothly.
- How does Apollo.io compare to Kickbox?
- Apollo.io starts on a free plan and lists more features than Kickbox, ten versus eight. It offers a 210M+ contacts database, 30M+ companies, AI-powered multichannel campaigns, and email deliverability guardrails, though it has a smaller integration ecosystem than some alternatives.
- Is UpLead a good replacement for Kickbox?
- UpLead starts free and lists ten features against Kickbox's eight. It advertises a 95%+ data accuracy guarantee, real-time email verification, 200M+ B2B leads worldwide, and 50+ search filters, making it a strong option for teams that want prospecting features Kickbox does not list.
- Does ZoomInfo offer more than Kickbox?
- ZoomInfo lists nine features compared to Kickbox's eight and starts on a free plan. Its notable listings include 260M+ published professional profiles, 100M+ company profiles, and 150M+ direct emails, which Kickbox does not list on its own pages.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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