the402 endpoint detail

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keyronne.com api datetime

https://keyronne.com/api/datetime

payable

The timezone conversions and date arithmetic LLMs get wrong, done exactly. Convert any ISO timestamp or Unix time into one or many IANA timezones (with UTC offset and weekday), add or subtract durations, and diff two instants into days/hours/minutes plus a humanized string. Omit "datetime" to get the current time. Uses the IANA timezone database. POST a JSON body like: {"datetime":"2026-07-08T14:3

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0xB86F95EF5FA904318Ea9Df3b59AdCe099b478fC4
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
23 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:09:07.149Z (1d ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fkeyronne.com%2Fapi%2Fdatetime"