Switch to AgentData
The free BuiltWith alternative
AgentData is a completely free BuiltWith alternative. No credit card, no monthly fees, no paid tiers — free forever with 1,000 lookups per day. It provides tech stack detection for 130M+ companies plus 8M+ verified emails and people profiles, while BuiltWith costs $295-$1,295/month for technology data only.
BuiltWith detects technologies. AgentData detects technologies AND gives you emails, team members, decision-makers, and switch signals. Completely free vs BuiltWith's $295/mo.
BuiltWithvs AgentData — quick facts
AgentDataBuiltWith
Starting price
Free$295/mo
Emails included
8M+None
People profiles
2.9M+None
MCP server
Yes — nativeNone
Feature comparison
Feature
AgentData
BuiltWith
Data
Tech detection
845 technologies
113K+ technologies
Verified emails
8M+
None
People profiles
2.9M+
None
Switch signals
Real-time
Historical trends
Company classification
AI-classified
Basic categories
AI agent access
MCP server
Native
None
REST API
Free, all users
$295/mo minimum
Human access
Public data pages
130M+ companies
Technology pages only
Technology breadth
845 technologies
113K+ technologies
Historical data depth
Months of history
Years of history
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
$295/mo
$295/mo
Pro
$1,295/mo
$1,295/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
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Company intelligence for AI agents and growth teams. Completely free.