ScriptMasterLabs.com · x402 Directory
Add a duration to a date
Resource: https://datetime.openverbs.com/v1/add · Directory page generated 2026-11-11T05:41:02.579Z from live sources.
The facts, as last reported 2026-11-11T05:40:16.961Z: this resource answers x402 payment challenges at 0.002 USDC on Base (exact), pay to 0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A. It is reported by Coinbase CDP and its directory state is live.
What it does
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.
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0022000 atomic | 0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-11T05:40:16.961Z |
| Settlement recency | listing last updated 2026-11-11T05:28:45.445Z at its source |
| Freshness | live — last reported 2026-11-11T05:40:16.961Z, listing last updated at source 2026-11-11T05:28:45.445Z |
| Reporting facilitator | Coinbase CDP |
| Sources | cdp |
| Tags | add duration to date, date duration math, iso duration add, calendar aware date add, add period to datetime |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://datetime.openverbs.com/v1/add"
Pay it with any x402 client on Base. Networks: Base