freeapis

Google Sheets

API to read, write, and format Google Sheets data

Authentication
OAuth
HTTPS
Yes
CORS
Unknown
Category
Development

Overview

Google Sheets provides spreadsheet APIs — OAuth/API-key based (anonymous calls are refused 403, verified).

Quick Start

Values (needs auth):

curl "https://sheets.googleapis.com/v4/spreadsheets/1/values/A1" \
  -H "Authorization: Bearer YOUR_TOKEN"
{ "error": { "code": 403, "message": "Method doesn't allow unregistered callers... use API Key or OAuth" } }

Authentication

  • Google Cloud project → API key or OAuth 2.0 credentials.
  • Send as Authorization: Bearer (anonymous → 403, verified).

Rate Limits & Notes

  • Free with limits (check the docs).
  • Spreadsheets.

FAQ

Is Google Sheets free? Yes — free with auth.

Why 403? Anonymous calls are refused (verified) — use API key/OAuth.

What’s the auth style? OAuth 2.0 / API key.

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