Overloop
AI Sales & RevenueAI-powered sales prospecting platform with 450M+ contact database, multi-channel outreach automation, and LinkedIn integration.
Overloop is an AI-powered sales prospecting platform that combines a 450M+ contact database with automated multi-channel outreach across email and LinkedIn. Built on 10 years of outbound expertise and 100,000+ campaigns, it uses AI to hyper-personalize messages based on prospect context while maintaining your brand voice. The platform excels at LinkedIn automation and includes deliverability optimization, automatic follow-ups, and comprehensive campaign analytics. While strong on automation and personalization, API documentation and developer features appear limited compared to engineering-focused platforms.
Best for
Sales teams and founders needing AI-driven multi-channel prospecting with strong LinkedIn automation and a massive built-in contact database.
Last updated: March 19, 2026
22/50
Overall Score
API Quality
5/10
GTM Relevance
17/20
PricingFreemium
Complexitymedium
Learningeasy
Visit overloop.com →API Analysis
REST API
✓
Available
Webhooks
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GraphQL
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OAuth
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slackzapierchrome extensionlinkedinhubspotsalesforcepipedrive
Pricing
freemiumFree Tier
Starter plan at $69/user/month with 250 credits, 1 email account, 3 campaigns. 14-day free trial available without credit card.
Strengths & Weaknesses
Strengths
Massive 450M+ contact database with hyper-segmented B2B professionals and rich data including emails, roles, and context
True AI personalization that analyzes prospect websites and social profiles to write unique messages in your voice without templates
Advanced LinkedIn automation rated as market-leading, enabling network growth of thousands annually while staying human
10-year deliverability algorithm optimized through 100k campaigns to bypass spam filters and ensure inbox placement
Complete campaign analytics with tracking for opens, clicks, replies, bounces, and out-of-office responses
Weaknesses
Limited API documentation and developer-focused features compared to technical platforms
Credit-based system may become expensive for high-volume prospecting needs
Shared IP for secondary domains on lower tiers could impact deliverability for some users
LinkedIn automation carries inherent platform risk despite safety optimizations
Alternatives
Reviews
Links
FAQ
What is Overloop?
Overloop is an AI-powered sales prospecting platform that combines a 450M+ contact database with automated multi-channel outreach across email and LinkedIn. Built on 10 years of outbound expertise and 100,000+ campaigns, it uses AI to hyper-personalize messages based on prospect context while maintaining your brand voice. The platform excels at LinkedIn automation and includes deliverability optimization, automatic follow-ups, and comprehensive campaign analytics. While strong on automation and personalization, API documentation and developer features appear limited compared to engineering-focused platforms.
Is Overloop free?
Yes, Overloop offers a free tier. Starter plan at $69/user/month with 250 credits, 1 email account, 3 campaigns. 14-day free trial available without credit card.
What are Overloop alternatives?
Popular alternatives to Overloop include Apollo.io, lemlist, Reply.io, Outreach, Salesloft, Amplemarket, HeyReach. Compare features, API quality, and pricing on GTM Tools.
Does Overloop have an API?
Yes, Overloop provides a REST API. API quality is rated BASIC.
Who is Overloop best for?
Sales teams and founders needing AI-driven multi-channel prospecting with strong LinkedIn automation and a massive built-in contact database.