Switch to AgentData
The free Apollo alternative
AgentData is a completely free Apollo alternative. No credit card, no trial period, no paid tiers — free forever with 1,000 lookups per day. It provides tech stack detection for 130M+ companies, 8M+ verified emails, and real-time switch signals, while Apollo costs $59/month.
AgentData is company intelligence infrastructure for the AI era. Tech stacks, verified emails, decision-makers, and switch signals — accessible via MCP server, REST API, or web search. Completely free.
Apollovs AgentData — quick facts
AgentDataApollo
Starting price
Free$59/mo
Tech stacks
845 technologiesNone
MCP server
Yes — nativeBeta
Data freshness
HoursMonths
Feature comparison
Feature
AgentData
Apollo
Data
Tech stack detection
845 technologies
None
Verified emails
8M+
275M+ (claimed)
Switch signals
Real-time
None
People & decision-makers
2.9M+
265M+ (claimed)
Web signals
8 signals
None
Data freshness
Hours
Months
AI agent access
MCP server
Native, production-ready
Beta, limited
REST API
Full access, all plans
Limited on lower tiers
Claude / GPT integration
One-line setup
Custom wrapper needed
Hosted MCP endpoint
mcp.agentdata.run
None
Human access
Web search & browse
Full, no login needed
Login required
CSV export
All plans
Paid plans only
Email sequences / CRM
Not included
Built-in
Built for AI agents
MCP Server
Connect Claude, GPT, or any MCP-compatible agent directly.
npx agentdata-mcp-server --api-key YOUR_KEYREST API
JSON responses. Standard HTTP. Works with any language.
GET /api/v1/lookup?domain=stripe.comWeb Search
130M+ company pages, publicly browsable, no login required.
agentdata.run/company/stripe.comPricing comparison
AgentData
Free
Free
Basic
$59/mo
$59/mo
Professional
$99/mo
$99/mo
Lookups/mo
1,000
Varies
Varies
REST API
Yes
Varies
Yes
MCP server
Yes
No
No
Tech stacks
845
Limited
Limited
Switch signals
Yes
No
No
CSV export
Yes
Varies
Yes
Public data pages
Free
No
No
Frequently asked questions
Also compare
From the blog
Free Apollo Alternative (2026): Everything Apollo Gates Behind Paid Tiers, for $0
Ready to try AgentData?
Company intelligence for AI agents and growth teams. Completely free.