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For AgentsSkill install, tool definitions, MCP
For Data AggregatorsBulk access, corpus licensing, change feeds
For EnterprisesVolume, SLA, dedicated scans

Resources

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Vendor indexEvery vendor we detect, and who discloses it
CategoriesVendor adoption by category, ranked
Use casesWorked examples by workflow
CompareHow we differ from other technographic APIs
Agent skillsDrop-in definitions for your AI agent

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Get an API key

Instant issuance — no verification click, no card. New keys include 25 free credits — every lookup costs 1 credit flat.

Email

Equivalent: curl -X POST https://api.vendorstacks.com/v1/keys -d '{"email":"you@company.com"}'

VendorStacks

The subprocessor disclosure data API. Structured vendor stacks with quoted evidence. Deterministic — no LLM.

ProductPricing API Docs Use cases Enterprise Get API Key Support

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For Agentsllms.txt OpenAPI spec SKILL.md Agent guide

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