Datacircle

Datacircle lists all the GTM APIs. Our MCP server is open to anyone, with no key: add api.datacircle.dev/mcp to Claude, ChatGPT or Cursor. It answers from the sheet. list_apis lists the GTM APIs on it, and search_plans finds their plans by API, provider or price. Each plan comes with its score, and the best come first, as on the sheet.

URL

https://datacircle.dev

Category

mcp

Pricing

free

Tags

gtm gtm-apis api api-directory api-pricing

Machine endpoints

llms_txt: https://datacircle.dev/llms.txt
mcp: https://api.datacircle.dev/mcp

Listed

2026-10-23 · tier: free

Machine-readable: listing JSON · full registry · llms.txt

Badges

Paste either into your README. Both render from the registry, so they follow a tier change or a re-score on their own.

[![AI Agent Ready](https://index.percall.dev/badge.svg?slug=datacircle)](https://index.percall.dev/l/datacircle.html)
[![Agent Readability](https://index.percall.dev/badge.svg?slug=datacircle&show=score)](https://index.percall.dev/l/datacircle.html)

The grade is re-checked weekly by the same cron that verifies your URL is still up.