Spreadsheet Modification & Audit

https://sheets.api.williamrobinson.dev/v1/sheets/modify

● healthy a2a-agent

Apply cell and named-range edits to an .xlsx, recalculate it with a real spreadsheet engine, and return the modified workbook alongside a dependency-impact, error, stale-cache, unsupported-function, and invariant audit. $0.05 per call, settled in USDC on Base mainnet over HTTP 402. No API keys, no accounts.

Quality grade

How grading works

C+ 60.0 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 402)

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 0.0 / 40

Payment address on record, not yet queried on-chain

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 20 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -sS -i -X POST https://sheets.api.williamrobinson.dev/v1/sheets/modify  # expect HTTP 402 Payment Required (about 0.05 USDC/call)

/.well-known/x402.json

https://sheets.api.williamrobinson.dev/.well-known/x402

Listed in

Directories this entry was found in.

a2a x402 x402scan