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Ambiguous Date String Parser (ISO 8601)
x402
Ambiguous Date String Parser (ISO 8601) is a paid API for AI agents from api.strale.io, paid per call via x402, $0.0324/call, status unknown (last checked 2026-09-14).
Parses ambiguous or natural-language date strings into ISO 8601 format, detecting and resolving ambiguity with format hints.
Price / call$0.0324
Success—
StatusUnknown
How this service works
Parse ambiguous date strings into ISO 8601. Handles '3/4/25', 'March 4th', '4. mars 2025', '2025-W14'. Detects ambiguity.
Output
Returns the input date string parsed into ISO 8601 format (e.g. 2025-03-04), along with an ambiguity detection flag indicating whether the input was ambiguous and how it was resolved, plus parsed components.
Example use cases
Example prompt
“Can you parse the date string '3/4/25' into ISO 8601 for me? Treat it as DMY format since it came from a European source.”
Technical details
Endpoint
GEThttps://api.strale.io/x402/date-parseWhen to prefer
Use this endpoint when you need to reliably normalize date strings of unknown or mixed format — especially user-supplied input, scraped web data, or multilingual sources where ambiguity (DMY vs MDY) is a real concern. Prefer this over simple regex parsing or LLM guessing when correctness and ambiguity detection matter.
Side effects
- Unparseable date string returns an error or null result
- Missing required 'date_string' query parameter returns 400
- Ambiguous date with no preferred_format hint may resolve incorrectly
- Multilingual or highly informal date strings may fail to parse
- Network timeout or service unavailability returns 5xx
Input
{
"date_string": "3/4/25",
"preferred_format": "DMY"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"day": 3,
"year": 2025,
"_meta": {
"payment": {
"method": "x402",
"price_usd": 0.0324,
"settlement_id": "0xb275dc10bc3de0cb2dfc3351263c0f8083cda5bf31d8b164727f418aa8798ecb"
},
"capability": "date-parse",
"latency_ms": 0,
"provenance": {
"source": "algorithmic",
"fetched_at": "2026-06-16T01:20:43.705Z"
}
},
"input": "3/4/25",
"month": 4,
"parsed": true,
"iso_date": "2025-04-03",
"day_of_week": "Thursday",
"is_ambiguous": false
}Tags
x402
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