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TheirStack API Reference

security:theirstack · theirstack.com ↗

Your key

# Introduction Welcome to TheirStack’s API! You can use this API to access all our API endpoints, such as the [Jobs endpoint](https://api.theirstack.com) to get real-time and historical jobs from more than 100…

25 endpoints25 with your key0 callsBulk supported

About the TheirStack API Reference API

TheirStack API Reference API on Apizie: 25 endpoints (Get Lists, Create List, Get List, Rename List, …) returned as clean JSON through one API key. Send your own provider key in the x-upstream-key header. Call it over REST at https://zieapi.vercel.app/v1/security:theirstack/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

Project keysecurity:theirstack
StatusYour key
Endpoints25
CategorySecurity
Sourcetheirstack.com
Base URLhttps://zieapi.vercel.app/v1/security:theirstack/{endpoint}
For AI toolsOpenAPI spec · Markdown (what is this?)

TheirStack API Reference API FAQ

How do I call the TheirStack API Reference API?

Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/security:theirstack/company-lists-get-all-lists with the header x-api-key. Every endpoint returns { project, data, timestamp }.

Is the TheirStack API Reference API free on Apizie?

Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card. TheirStack API Reference itself also needs your own key from api.theirstack.com.

Can AI agents use the TheirStack API Reference API?

Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key security:theirstack.

What is the status of the TheirStack API Reference API?

Needs your own provider key (bring your own key)

Use TheirStack API Reference from MCP

Add Apizie to your agent once, then ask for “TheirStack API Reference”: the agent calls run_scraper with security:theirstack.

claude mcp add --transport http apizie https://zieapi.vercel.app/mcp \
  --header "x-api-key: apz_••••••••"