Compare two CSV or XLSX files and get the delta as JSON: added, removed and changed rows and cells, plus new and dropped columns — for price lists and inventories.
curl -X POST https://api.bigapi.dev/v1/diff/tables -H 'Authorization: Bearer $KEY' -F 'file=@prices-old.csv' -F 'file=@prices-new.csv' -F 'key=id'New keys come with 100 free operations, no signup: curl -X POST https://api.bigapi.dev/v1/keys. Failed calls cost nothing.
| Name | Meaning |
|---|---|
file required | Two tables in the field file, sent twice: first the old version, then the new one (CSV, XLSX or ODS). |
key | Column that identifies a row in both tables, e.g. id or article number. Default: first column |
sheet | Sheet to compare in spreadsheet files, by name or number. Default: first sheet |
Returns application/json. Response headers carry the cost (X-BigAPI-Cost) and notes about your input (X-BigAPI-Warnings).
Connect BiGapi as an MCP server: https://api.bigapi.dev/mcp (hosted) or npx -y @bigapi/mcp (local). Then ask in plain words; the agent finds diff_tables on its own.