Cold Email Stacks & Data Source Integrations
Connect your favorite prospect databases, spreadsheets, and CRM tools to OutSends. Save up to 80% on software fees while keeping your domain reputation spotless.
Supported Data Sources & Platforms
Step-by-step connection guides to pair your data with OutSends sending infrastructure.
Apollo.io
The highest-ROI cold email stack. Extract verified prospect lists from Apollo.io and send 100,000 emails across 50 rotated mailboxes on OutSends Pro for just $49/mo.
Google Sheets
Import contact spreadsheets from Google Sheets directly into OutSends. Benefit from automated follow-up sequences, warmup, and multi-sender rotation.
LinkedIn Sales Navigator
Turn your LinkedIn Sales Navigator prospect searches into high-converting email sequences without risk of LinkedIn profile restrictions.
Clay.com
Pair Clay's 10-tier waterfall enrichment with OutSends' high-deliverability sending infrastructure for hyper-personalized outbound campaigns.
Excel & CSV Files
Import massive contact lists from CSV or Excel files with zero daily limits. Map custom variables in seconds and launch campaigns.
HubSpot CRM
Export cold leads and closed-lost deals from HubSpot into OutSends to reignite sales opportunities without damaging your corporate email reputation.
Zoho Mail
Connect Zoho Mail accounts via custom SMTP or OAuth. OutSends manages automated warmup, Smart Jitter delays, and reply tracking seamlessly.
Notion Database
Export your Notion CRM or lead tracker to CSV and import into OutSends in 60 seconds to launch automated multi-step sequences.
Pipedrive CRM
Export unresponsive leads from Pipedrive and enroll them in persistent, low-friction follow-up sequences in OutSends.
Salesforce CRM
Export enterprise lead segments from Salesforce into OutSends to run cost-effective cold outreach across rotated mailboxes.