A cutting-edge spreadsheet engine

Feature-rich. Compatible with Excel and Google Sheets. Animation-speed performance.

Calculator studio

No code needed. Build & publish smart website calculators, powered by simple spreadsheet logic.

Frequently asked questions

Can I call the GRID API from a Custom GPT?

Yes, you can! We provide an Open API schema compatible with Custom GPTs. Using the GRID API with Custom GPTs is perfect for internal use across sectors: sales and marketing teams can run pricing models and ROI calculations, HR can manage benefit and bonus calculations, financial advisors can handle retirement and mortgage planning, and legal teams can incorporate calculations into their drafts—all with reliable, verifiable results from your existing spreadsheets.

What are the primary use cases for the GRID API?

The GRID API enables seamless integration of complex spreadsheet calculations into various applications. It allows Custom GPTs to access spreadsheet models for reliable calculations in areas like sales, HR, and finance. It also enhances customer service by enabling chatbots to deliver accurate, real-time calculations, such as price quotes. Additionally, it empowers developers to convert spreadsheets into APIs, speeding up software development without the need to rebuild existing calculations.

Does the GRID API modify my spreadsheet?

No, your original spreadsheet model remains unchanged. The GRID spreadsheet engine performs dynamic recalculations and scenario analysis on your data without altering the original file, ensuring your models stay safe.

Turn any spreadsheet into a RESTful web service