Apollo.io
Free tierThe AI sales platform for smarter, faster revenue growth
Free tier available·All audiences·API available
Key strengths
240M+ contacts and 30M+ company B2B databaseAI agents for prospecting, outreach, and meeting booking200+ integrations with existing GTM toolsWaterfall enrichment for complete recordsDeliverability optimization (domain warming, inbox rotation, reputation monitoring)Built-in GDPR, CAN-SPAM, DNC compliance toolsEnterprise-grade security (SOC 2 Type II, ISO 27001)
Free tier + paid plans
San Francisco, USA
Founded 2015
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- Database enrichment pipelines: Use Apollo's API and waterfall enrichment to programmatically hydrate CRM records with verified contact and company data from the 240M+ contact, 30M+ company database.
- AI-assisted outreach automation: Integrate Apollo's AI agents with Claude or ChatGPT via native connectors to generate and sequence personalized outreach at scale.
- Deliverability infrastructure: Leverage built-in domain warming, inbox rotation, and reputation monitoring to maintain sender health across high-volume email campaigns.
- Compliance enforcement: Apply Apollo's built-in GDPR, CAN-SPAM, and DNC tooling to ensure outbound workflows meet regulatory requirements without custom middleware.
- Enterprise SSO & security: On the Custom tier, configure SSO and advanced security controls to meet organizational access management and audit requirements (SOC 2 Type II, ISO 27001).
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