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City Table Clean – Socrata/CKAN CSV Cleaner (x402)
x402
City Table Clean – Socrata/CKAN CSV Cleaner (x402) is a paid API for AI agents from priceplain.onrender.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).
Accepts a city government CSV file upload and returns a cleaned CSV with standardized dates, deduplicated rows, and a per-change audit log.
Price / call$0.02
Success—
StatusUnknown
How this service works
Three x402-paid data APIs on one host. PricePlain: Posted US hospital prices (CMS price-transparency files), cleaned: Twin Cities, MN first. Cash and payer-negotiated rates per CPT/DRG code with canonical insurer names, provenance (source file URL + date) and data-quality flags. Posted prices, not quotes. TableGrab: public URL or file -> typed JSON tables / Markdown. City Table Clean: Socrata/CKAN city CSV cleaner with a per-change log.
Output
Returns a JSON object containing: a cleaned CSV string with standardized dates and deduplicated rows, an array of per-row change objects (each noting row index, column, before/after values, and action taken), and a summary report with counts of each type of change applied and duplicates removed.
Example use cases
Standardize dates in ward CSV
“I have a CSV from the Minneapolis open data portal with messy date fields like '2026-10-01T00:00:00.000' — can you clean it up so all dates are just YYYY-MM-DD and give me a report of what changed?”
Deduplicate city incident records
“This CKAN export of city service requests has a bunch of duplicate rows — please remove the dupes and send me the cleaned CSV along with a count of how many duplicates were dropped.”
Audit changes before importing civic data
“Before I import this city council case CSV into our database, can you run it through the City Table Clean API to fix any formatting issues and give me a detailed per-row change log so I can review what was altered?”
Technical details
Endpoint
POSThttps://priceplain.onrender.com/v1/clean/upload?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you have a Socrata or CKAN city government CSV that needs automated date standardization, deduplication, and a traceable per-change audit log before downstream ingestion or analysis. It is purpose-built for civic open-data formats and provides provenance via change logs, unlike generic CSV converters that only transform format without logging mutations.
Side effects
- Non-CSV or unparseable file upload returns an error
- Very large files may time out on the Render free-tier host
- Malformed CSV with inconsistent column counts may produce incomplete cleaning
- Invalid dedupe parameter value may be ignored or cause a 400 error
- Payment not completed via x402 protocol results in 402 Payment Required with no data returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| file | string | |
| dedupe | string |
Output
Schema · Response
{
"type": "json",
"example": {
"report": {
"change_counts": {
"date_standardized": 1
},
"duplicates_removed": 0
},
"changes": [
{
"row": 1,
"after": "2026-10-01",
"action": "date_standardized",
"before": "2026-10-01T00:00:00.000",
"column": "date"
}
],
"cleaned_csv": "case_number,date,ward\nJK437343,2026-10-01,28\n"
}
}Tags
x402
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