Apollo.Io API Documentation & MCP Config | Salestools Club
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Sales Intelligence

Apollo.io

The ultimate sales intelligence and engagement platform for AI-native teams.

Key Features
Lead Enrichment
AI Search
Intent Signals
Automated Outreach
B2B Data Enrichment
Intent Intelligence
Cold Email Outreach
How to use this tool
"Claude, use Apollo API to find 50 CEOs of SaaS companies in New York with recent funding and enrich their emails."
Technical Feature Analysis

Apollo.io is built for AI-first teams, specifically for workflows where you want an AI agent to handle your Sales Intelligence tasks. Instead of manual data entry, Apollo.io lets your AI "see" and "act" on your data directly through its REST.

Apollo.io provides a REST API that gives developers programmatic access to over 275 million verified contacts and 60 million companies. Build prospecting workflows, enrich leads in real time, and sync data directly into your CRM. The API supports advanced search filters, email sequencing, and engagement tracking, making it ideal for teams that want to automate top-of-funnel pipeline generation.

The biggest win with Apollo.io is the ability to move from **Chat-to-Action**. By connecting it to your AI agent, you can automate Lead Enrichment, AI Search, Intent Signals without having to build a custom tech stack or hire a developer.

Direct Agent Workflow for Apollo.io

Connect: Give your Apollo.io API Key to Claude Code, Cowork, or your favorite AI agent.

Automate: Your agent handles Lead Enrichment and AI Search directly.

Execute: No extra software or middleware required for Sales Intelligence automation.

AI Agent Skills
Use Apollo.io for
Technical Details
API Type
REST
Authentication
API Key
Pricing Tier
Free Tier Available
SDK Languages
N/A
Webhooks
Yes

Frequently Asked Questions

What does Apollo.io do?

Apollo.io is a sales intelligence tool that provides The ultimate sales intelligence and engagement platform for AI-native teams.

How do I use Apollo.io with AI agents?

Connect Apollo.io to agents like Claude Code or Cowork by using its REST and your API Key keys. This allows your agent to perform Lead Enrichment and AI Search directly without needing extra software.

Is Apollo.io API free?

Yes, Apollo.io offers a free tier for its API, making it accessible for testing and small-scale projects.

What are the best alternatives to Apollo.io?

Based on features and use cases, the top alternatives to Apollo.io are Salesforce, Datagma, Cognism and Coresignal.