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Date Math: Rolling stay-limit math such as the Schengen 90/180 rule: days used i...

https://date-math.datemath.workers.dev/v1/stay

Overview

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 count. Custom rules via max_days/window_days. Use for travel planning, visa-free stays and "can I enter on".

Protocol x402 (POST)
Price $0.0010
Payment Asset USD Coin
Payment Network eip155:8453
Category uncategorized
Provider Date Math
Source bazaar
Indexed 2026-11-08 04:08:36

Health

Status unknown
Latency (p50) —
Uptime (30d) —
Reliability Score —
Last Checked Never
Last Healthy Never
Consecutive Failures 0

x402 Payment Validation

Payment Requirements —
Asset Verified —
Facilitator —

Input Schema

{ "body": { "date": "2026-10-01", "entry": "2026-11-01", "trips": [ { "entry": "2026-06-01", "exit": "2026-07-15" }, { "entry": "2026-09-10", "exit": "2026-09-30" } ] }, "bodyType": "json", "method": "POST", "type": "http" }

Output Schema

{ "example": { "date": "2026-10-01", "days_remaining": 24, "days_used": 66, "first_overstay": null, "in_compliance": true, "max_stay": { "days_allowed": 24, "entry": "2026-11-01", "latest_exit": "2026-11-24" }, "next_full_stay_date": "2026-12-30", "note": "Entry and exit days both count. A planning aid; border officials and the official calculator have the final say.", "overstay_days": 0, "rule": { "max_days": 90, "window_days": 180, "window_end": "2026-10-01", "window_start": "2026-04-05" } }, "type": "json" }