the402 endpoint detail

← All endpoints

duration.openverbs.com v1 format

https://duration.openverbs.com/v1/format

no payment challenge

Assemble an ISO 8601 duration string from individual components (years, months, weeks, days, hours, minutes, seconds) and an optional sign. All components must be non-negative and at least one must be non-zero.

Bazaar lists this endpoint, but when we called it we got HTTP 404 instead of a payment challenge.
Price
2000 atomic
Network
not established
Pay to
-
Spec dialect
-
Transport
-
HTTP method
POST
Response latency
271 ms
Payment options
0 usable of 0
Last checked
2026-09-06T01:20:30.236Z (37d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fduration.openverbs.com%2Fv1%2Fformat"