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Category adoption

Companies using tools in the broader category you serve.

Why it works

Searching a whole category shows every company already buying in your space, including those on vendors you don't track. You see the size of the market before you narrow it, and you catch the accounts a list of named competitors would miss.

How to act on it

Build a category-aware account list before narrowing to named vendors.

Connect your agent

MCP server

Claude, ChatGPT, Cursor, Gemini or any MCP client

https://api.theirstack.com/mcp

API

Run this signal from your own code

curl -X POST https://api.theirstack.com/v1/companies/search \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tech_filters": {"keyword_category_slug_or":["crm-platforms"]}
  }'

Use cases

Related signals

  • Role-based hiring

    Hiring the role that owns, uses, or feels the pain your product solves.

    ExampleFirst Head of RevOps role posted

    Your buyer's problem gets an owner

  • Stack gap

    ICP companies with no detected tool in your category.

    Example200-person SaaS company, no product analytics tool in 18 months of job posts

    Greenfield, nothing to replace

  • Hiring urgency

    Recent postings for relevant roles.

    Example4 Data Engineer roles posted in the last 7 days

    The need is active right now

Frequently asked questions

See which companies match this signal today.

Run the search free, then save it to get each new match by email or webhook.

Find them free