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tablint.dev table preflight
https://tablint.dev/v1/bazaar/table/preflight
answers 402
Inspect a CSV, TSV, or XLSX spreadsheet before an agent ingests it. Detects misplaced header rows, repeated header rows, multiple tables on one sheet, merged cells, ragged rows, totals rows, formulas, hidden sheets, mixed or inconsistent column types, numbers stored as text, ambiguous dates, and duplicate or empty column names. Returns a machine verdict (clean, needs cleaning, split tables, review
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0xf07538B80b6959E5B8e4b5dF65C73194D50fB7Eb
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 200 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:24:16.351Z (2d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftablint.dev%2Fv1%2Fbazaar%2Ftable%2Fpreflight"