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How to build a local business lead list from Google Maps with Coreclaw API Directory

Run the Google Maps Worker to collect local businesses with reviews, contacts and hours.

Authorization notice. Coreclaw API Directory is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Credentials. Keep the Bearer API key out of shared scripts, screenshots and public repositories because anyone with it can run Workers on your account.

Reverse engineering. Business contact details collected from maps should be used in line with the laws and platform rules that apply to your outreach.

Who it is forA sales rep or local marketer who needs a prospect list for a city or niche and has no time to copy listings by hand.

The problemFinding and copying business details from maps one listing at a time is slow and error-prone.

The outcomeA structured set of local businesses with reviews, contact details and opening hours, ready for a CRM or spreadsheet.

What you need first

  • A CoreClaw API key for running Workers (the README shows Authorization: Bearer YOUR_API_KEY)
  • curl, or any HTTP client that can send POST requests with headers and a JSON body
  • The input schema for the Worker you pick, since the README says required fields differ between Workers

Steps

  1. Get a CoreClaw API key and keep it private.
  2. Read the input schema for coreclaw/google-maps-scraper, since the README says required fields differ between Workers.
  3. Replace the empty input object with your search fields and run a small test: curl -X POST "https://openapi.coreclaw.com/api/v2/workers/coreclaw~google-maps-scraper/runs" -H "Authorization: Bearer YOUR_API_KEY" -H "Content-Type: application/json" -d '{"input": {}, "is_async": true}' (inferred, check the README)
  4. Check that the output includes the contact details and opening hours you need.
  5. Scale the input to your full target area once the test output looks right.

Prompt for your agent

Using the repo cporter202/coreclaw-api-directory, run the coreclaw~google-maps-scraper Worker for <target search query and location> and return the businesses with names, reviews, contact details and opening hours as structured output. Verify the run returned at least one structured result before you report completion.

Caveat. The directory describes the Worker output but the README does not list field names, so confirm the exact fields in a test run before building on them.

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Using the Deduped MCP, get the setup steps for cporter202/coreclaw-api-directory and "Build a local business lead list from Google Maps"

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