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Welcome to the Sheet Ninja documentation 👋 Sheet Ninja lets you turn any Google Sheets into a powerful backend — enabling APIs, automation, and workflows without the overhead of traditional infrastructure. Use Sheet Ninja to power internal tools, sync data between systems, or prototype production-ready applications using spreadsheets as your data source. These docs will help you get set up, understand how Sheet Ninja works, and build reliable applications on top of Google Sheets.

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Setting up

Get up and running with Sheet Ninja in just a few minutes.

Start here

Follow our quickstart guide to connect your first Google Sheet and create your first API endpoint.
 In the quickstart, you’ll:
  • Connect your Google account
  • Create your first Sheet Ninja endpoint
  • Read and write data from a Google Sheet

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Who uses Sheet Ninja?

Sheet Ninja is built for anyone who wants to move fast while keeping their data simple and accessible.

Developers

Use Google Sheets as a lightweight backend for APIs, prototypes, and internal tools.

Operators & teams

Manage workflows, approvals, and operational data directly from spreadsheets.

No-code & low-code builders

Power automations and integrations using tools you already know.

Startups & solo builders

Ship faster without setting up databases, servers, or admin panels.

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What can you create?

Everything you need to turn spreadsheets into production-ready systems.

Structured APIs

Automatically expose rows and columns as clean, structured API responses.

Automations & integrations

Trigger workflows and sync data across your stack using webhooks and API calls.

File-backed workflows

Work with attachments, links, and rich data stored directly in your sheets.

Reusable patterns

Common recipes for syncing data, automation, and integrations.