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duration.openverbs.com v1 add
https://duration.openverbs.com/v1/add
no payment challenge
Add an ISO 8601 duration to a start date or date-time and return the resulting UTC instant. Calendar-aware: months and years honor month lengths (e.g. Jan 31 + P1M clamps to the last day of February). A negative-signed duration subtracts.
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
- 284 ms
- Payment options
- 0 usable of 0
- Last checked
- 2026-09-06T01:20:30.239Z (37d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fduration.openverbs.com%2Fv1%2Fadd"