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FastX402 Relative Time Formatter
x402
FastX402 Relative Time Formatter is a paid API for AI agents from fastx402.tools, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-17).
Converts two ISO 8601 dates into a human-friendly relative time string (e.g. 'about 3 hours ago') in English, Turkish, German, French, or Spanish, along with the exact difference in seconds.
Price / call$0.001
Success—
StatusUnknown
How this service works
146 pay-per-call tools for AI agents, from $0.001 per request in USDC on Base or Solana with x402. No account, no API key.
Output
Returns a JSON object with three fields: 'text' (casual friendly phrasing like 'about 4 hours ago'), 'strict' (precise phrasing like '4 hours ago'), and 'seconds' (exact signed integer difference between the two dates, negative if date is before base).
Example use cases
Localized timestamp for user notification
“I need to show users when their last login was — the login time was 2025-05-18T08:30:00Z and now is 2025-05-20T14:15:00Z. Can you give me the friendly German phrase for that, like '2 Tage zuvor'?”
Turkish relative time for social post
“My article was published on 2025-04-01T12:00:00Z and today is 2025-05-20T12:00:00Z — what's the relative time in Turkish so I can show '49 gün önce' or similar on the page?”
English elapsed time for audit log display
“How would you phrase the time between 2025-05-20T10:00:00Z and 2025-05-20T13:30:00Z in plain English for a UI label — something like 'about 3 hours ago'?”
Technical details
Endpoint
GEThttps://fastx402.tools/relative-time?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a multilingual, human-readable relative time string between two specific timestamps — especially when targeting non-English audiences (Turkish, German, French, Spanish) or when you need both the friendly phrase and the exact second-level difference in a single call. Prefer this over client-side libraries when the agent is composing messages or notifications server-side without access to a full date-formatting library.
Side effects
- Missing required 'date' or 'base' query parameters returns an error
- Invalid ISO 8601 date strings cause a parse error
- Unsupported locale value (outside en/tr/de/fr/es) returns an error
- Network timeout or payment failure (x402) results in no response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"text": "about 4 hours ago",
"strict": "4 hours ago",
"seconds": -12600
}
}Tags
x402
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