City populations from Excel
Upload a single-sheet workbook. ddigger publishes instructions, schema, and a filterable /data API for AI agents. The example below filters city rows by country.
Preview city exampleSeparate live source: World Bank countries
From worksheet to matching cities
The Central European city populations example has three rows. Imagine them in a single-sheet XLSX workbook with field names in the first row.
Worksheet rows
| city | country | population |
|---|---|---|
| Prague | CZ | 1300000 |
| Brno | CZ | 380000 |
| Vienna | AT | 1900000 |
Focused request
GET /data?fields=city,population&where=country:eq:CZ&limit=10Matching rows
| city | population |
|---|---|
| Prague | 1300000 |
| Brno | 380000 |
Prague and Brno match the CZ filter; Vienna does not.
The preloaded example uses the same rows. Upload your own workbook to test XLSX import.
Use your own workbook
Upload a single-sheet XLSX file with field names in the first row. Multi-sheet workbooks are not supported. Review inferred fields and the generated human view before publishing. Preview does not require sign-in; publishing requires an account.
Upload updated rows and republish to move the latest URL to a new version. The API is read-only and does not synchronize with the local workbook.
Published source
Your publication serves /llms.txt instructions, an /openapi.json schema, focused /data queries, and a generated human page. A pinned /v/{version} URL retains an exact version. For live endpoint responses, inspect this separate country source: instructions, schema, and data.