ScriptMasterLabs.com · x402 Directory
Date Math
Resource: https://date-math.datemath.workers.dev/v1/stay · Directory page generated 2026-11-09T11:48:51.419Z from live sources.
The facts, as last reported 2026-11-09T11:32:31.014Z: this resource answers x402 payment challenges at 0.001 USDC on Base (exact), pay to 0x7eC21Ee3AA308D2cbB8c65ef0E89af2a30101656. It is reported by Coinbase CDP and its directory state is live.
What it does
Date Math: Rolling stay-limit math such as the Schengen 90/180 rule: days used in the window, days left, overstay check, the longest stay allowed from a planned entry date, and the next date a full stay is possible. Entry and exit days both
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0011000 atomic | 0x7eC21Ee3AA308D2cbB8c65ef0E89af2a30101656 |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-09T11:32:31.014Z |
| Settlement recency | listing last updated 2026-11-09T11:11:29.408Z at its source |
| Freshness | live — last reported 2026-11-09T11:32:31.014Z, listing last updated at source 2026-11-09T11:11:29.408Z |
| Reporting facilitator | Coinbase CDP |
| Sources | cdp |
| Tags | schengen calculator, 90/180 rule, visa stay, travel days, schengen days left |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://date-math.datemath.workers.dev/v1/stay"
Pay it with any x402 client on Base. Networks: Base