# Services from spreadsheet.openverbs.com on Zero

> spreadsheet.openverbs.com serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/spreadsheet.openverbs.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/spreadsheet.openverbs.com/health.json

## Services

- [Spreadsheet RC to A1 Reference Converter](https://www.zero.xyz/c/spreadsheet-rc-to-a1-reference-converter-4e57be92/llms.txt): $0.004/call via x402. Converts row/column integer coordinates to Excel/Sheets A1-style cell reference notation, with optional absolute reference prefixes.
- [Spreadsheet A1-to-RC Reference Converter](https://www.zero.xyz/c/spreadsheet-a1-to-rc-reference-converter-322749aa/llms.txt): $0.004/call via x402. Converts an A1-style spreadsheet cell reference (e.g. 'B3' or '$A$1') to its equivalent row-column (RC) numeric coordinates
- [Spreadsheet References - Column Converter](https://www.zero.xyz/c/spreadsheet-references-column-converter-ae21ae79/llms.txt): $0.004/call via x402. Converts between spreadsheet column letters (e.g. 'AA') and 1-based column index numbers (e.g. 27)
- [Spreadsheet References – Range Lookup](https://www.zero.xyz/c/spreadsheet-references-range-lookup-3a00bd76/llms.txt): $0.004/call via x402. Retrieves cell references or data for a specified A1-notation range from a spreadsheet via POST request.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)