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Email & OutreachFreemium
Apollo.io
apollo.ioB2B lead database with 275M+ contacts. Find decision-makers by title, company size, industry, and tech stack. Includes email verification.
Pricing: Free tier: 50 credits/mo
Framework compatibility
ClaudeOpenClawChatGPTKimi Claw
Environment variables
APOLLO_API_KEY=your_key_here
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