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Overloop

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What Overloop is

Overloop is a B2B prospecting and outreach platform for finding contacts and running personalized campaigns through email and LinkedIn. It advertises more than 450 million B2B contacts and buying signals including hiring, executive changes, and funding rounds. Users can find and verify work emails and search multiple sources for phone numbers; each number found costs 5 credits. AI drafts messages from a prospect’s role, company, and relevant signals, with review and editing before sending. Campaigns combine email and LinkedIn steps with timing and conditions, then track opens, clicks, and replies. Overloop is available on the web, through an API, and as an extension. Starter costs $69/user/mo and includes 250 monthly credits, one email account, and three campaigns. Growth costs $99/user/mo. Enterprise pricing is custom. A 7-day trial is available, but there is no free plan.

Who it suits

Overloop suits individuals, growing teams, and large teams running prospecting campaigns. It is designed for users who need contact discovery, buying signals, and coordinated email and LinkedIn outreach.

What it does well

  • Database advertises over 450 million B2B contacts
  • AI drafts personalized outreach messages
  • Campaigns combine email and LinkedIn steps
  • Tracks opens, clicks, and replies
  • Includes email warm-up and reply detection

What to know first

  • No free plan
  • Phone numbers cost 5 credits when found
  • Starter allows three campaigns
  • Enterprise pricing is custom

Plans

PlanBilled and limitsPrice
Starter$69/user/mo · 250 credits per month per user · 1 email account per user · 3 campaigns · Slack, Chrome Extension, Zapier · Chat support$69 a month
Growth$99/user/mo · 500 credits per month per user · 3 email accounts per user · 10 campaigns · HubSpot and Pipedrive integration · REST API · Chat support$99 a month
EnterpriseCustom price · 1,000 credits per month per user · Unlimited email accounts and campaigns · Salesforce integration · Dedicated IP for secondary domains · Dedicated Customer Success Manager · Priority chat and email supportOn request

As overloop.com lists them, read 8 Oct 2026. The maker's own page has the final word.

Verdict

Overloop combines contact discovery, buying signals, AI-assisted messaging, and multichannel campaign tracking. Its paid tiers increase credits, email accounts, campaigns, integrations, and support for larger teams.

Facts from Overloop's own pages

AI messaging
AI drafts personalized outreach based on a prospect's role, company and relevant signals, with review and editing before sending. · overloop.com, 8 Oct 2026
API
The REST API is included with the Growth plan and higher tiers. · overloop.com, 8 Oct 2026
Buying signals
Buying signals include company changes such as hiring, executive changes and funding rounds. · overloop.com, 8 Oct 2026
Campaigns
Campaigns combine email and LinkedIn steps with timing and conditions, and track opens, clicks and replies. · overloop.com, 8 Oct 2026
Company history
The about page says Vincenzo Ruggiero started Overloop in 2015 as a Chrome extension called Prospect.io. · overloop.com, 8 Oct 2026
Compliance
The pricing page lists CASA Tier 2 certification for handling sensitive data. · overloop.com, 8 Oct 2026
Contact data
Overloop can find and verify work emails and search multiple sources for phone numbers, charging 5 credits when a number is found. · overloop.com, 8 Oct 2026
Contact database
The platform advertises a built-in database of more than 450 million B2B contacts. · overloop.com, 8 Oct 2026
Data retention
Overloop says it retains user data for 60 days after a subscription ends, then removes it except for payment and invoice data. · overloop.com, 8 Oct 2026
Founded
2015 · overloop.com, 28 Sept 2026
Headquarters
Brussels, Belgium · overloop.com, 28 Sept 2026
Integrations
Slack, Zapier and the Chrome extension are listed as basic integrations; HubSpot and Pipedrive are included on Growth, and Salesforce on Enterprise. · overloop.com, 8 Oct 2026
Intended users
Overloop describes Starter as for individuals, Growth for growing teams and Enterprise for large teams. · overloop.com, 8 Oct 2026
Product
Overloop helps find B2B prospects, get contact details and run personalized email and LinkedIn outreach sequences. · overloop.com, 8 Oct 2026
Security
Overloop says it encrypts data in transit with TLS and uses Cloudflare for DDoS protection. · overloop.com, 8 Oct 2026
Support
Starter and Growth include chat support; Enterprise includes priority chat and email support and a dedicated Customer Success Manager. · overloop.com, 8 Oct 2026

Where Overloop stands on Freedom251

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