Last updated 07-24-2026
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Overloop AI
Overloop AI is a B2B sales prospecting platform that automates outbound campaigns across email and LinkedIn. You define your ideal customer profile, and the system sources prospects from a database of 450 million contacts, verifies email addresses, writes personalized messages, and runs multi-channel sequences while you focus on closing deals.
The platform handles the full outbound workflow: list building, campaign design, follow-ups, deliverability tools like email warmup, and a unified inbox for prospect replies. A Chrome extension lets you add LinkedIn profiles to campaigns in one click, including bulk imports from LinkedIn search results.
Overloop started in 2015 as a Chrome extension called Prospect.io and now serves more than 5,000 companies. The team is based in Brussels, Belgium, and operates as Overloop SRL. Integrations include Salesforce, HubSpot, Pipedrive, Slack, Calendly, Gmail, Outlook, and Zapier.
Sources prospects from a 450M-contact B2B database and verifies every email address before outreach
Writes personalized cold emails and LinkedIn messages by analyzing each prospect's website and social profiles
Builds multi-channel outbound sequences with email-only, LinkedIn-only, or mixed steps and automated follow-ups
Includes built-in email warmup, deliverability checks, and support for unlimited connected mailboxes
Chrome extension adds LinkedIn and Sales Navigator profiles to campaigns in one click, including bulk imports
Combines cold email and LinkedIn outreach in one platform with AI-written sequences.
450M-contact B2B database with built-in email verification reduces list-building work.
14-day free trial on Starter and Growth plans with no credit card required.
Native CRM integrations with HubSpot, Pipedrive, and Salesforce on higher tiers.
No permanent free plan; paid subscriptions start at $69 per user per month after the trial.
Salesforce integration and dedicated deliverability setup are limited to the Enterprise plan.
Credit-based pricing means heavy prospecting or email finding can consume monthly allowances quickly.
Does Overloop AI offer a free trial?
Yes. Overloop AI offers a 14-day free trial on Starter and Growth plans. You can sign up on the pricing page or request a demo to explore the platform before subscribing.
Which CRMs does Overloop AI integrate with?
Overloop AI has native integrations with Salesforce, HubSpot, Pipedrive, Slack, and Calendly. Zapier is also supported for connecting to additional tools like Zoho and Odoo.
How do Overloop AI credits work?
Each plan includes monthly credits per user seat: 250 on Starter, 500 on Growth, and 1,000 on Enterprise. One credit is used when sourcing a prospect from the database or finding a valid email address.
Can I connect Gmail or Outlook to Overloop AI?
Yes. Overloop AI supports both Gmail and Google Workspace accounts as well as Outlook. You can connect multiple email accounts to scale outreach while staying within provider sending limits.
Is Overloop AI GDPR compliant?
Yes. Overloop AI is GDPR compliant and certified for handling sensitive data at CASA Tier 2. The platform supports data protection rights including access, rectification, deletion, portability, and objection.