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Find companies to target with your ads

Turn companies hiring for a role or running a technology into ad audiences and campaign segments, so your ads reach accounts with a live reason to buy.

Who it's for: A B2B marketing or demand-gen team running paid and account-based campaigns.

Signals that work for this

Learn how

Connect your agent

MCP server

Claude, ChatGPT, Cursor, Gemini or any MCP client

https://api.theirstack.com/mcp

API

Run this use case from your own code

curl -X POST https://api.theirstack.com/v1/jobs/search \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "job_title_or": ["Data Engineer"],
    "job_country_code_or": ["US"],
    "posted_at_max_age_days": 30
  }'

Frequently asked questions

Spend your ad budget on accounts with a reason to buy.

Turn companies hiring for a role or adopting a technology into audiences you refresh every week.

Build an audience free