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German Legal Deadline Calculator (BGB §§ 187-193)
x402
German Legal Deadline Calculator (BGB §§ 187-193) is a paid API for AI agents from api.ozdreamtools.de, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-10).
Calculates the end date of a German legal deadline (Fristende) under BGB §§ 187-193, including event vs. commencement start rules, month/year period ends, and postponement to the next working day for Sundays, Saturdays, or public holidays.
Price / call$0.05
Success—
StatusUnknown
How this service works
Calculates when a legal deadline ends in Germany (Fristende, due date) under §§ 187-193 BGB, the German Civil Code: event vs commencement start (§ 187), end by days/weeks/months/years including a missing day of month (§ 188), and postponement to the next working day when it falls on a Sunday, Saturday or public holiday (§ 193). With a federal state the statewide holidays are honoured, without one only Sunday/Saturday; that limit is stated. Returns an end date, not a count of working days.
Output
Returns the computed end date (Fristende) of the German legal deadline, the BGB rules applied (§ 187 start type, § 188 end computation, § 193 postponement), whether the date was shifted due to a weekend or public holiday, and — when no federal state is provided — a note that only Saturday/Sunday postponement was applied and state holidays were not considered.
Example use cases
Tenant eviction notice deadline
“My tenant received an eviction notice on 1 April 2025 in North Rhine-Westphalia. When does their 3-month statutory notice period end under BGB, and does it get pushed to the next working day if it lands on a Sunday or public holiday?”
Contract withdrawal period calculation
“A contract was signed and the event triggering the withdrawal right occurred on 10 June 2025 in Berlin. Calculate when the 14-day withdrawal deadline (Widerrufsfrist) ends under BGB using event-day start, accounting for Berlin public holidays.”
Court response deadline check
“A claimant in Bavaria received a court document on 22 July 2025. When does the 1-month deadline to respond expire under BGB §§ 187-193, including any postponement for Saturdays, Sundays, or Bavarian public holidays?”
Technical details
Endpoint
POSThttps://api.ozdreamtools.de/api/deadlines?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to compute a legally correct German deadline end date under BGB §§ 187-193 — particularly when you must handle the distinction between event-day and commencement-of-day start (§ 187), correct month/year end-of-period calculation including missing days of month (§ 188), and automatic postponement to the next working day for Sundays, Saturdays, and German federal or state public holidays (§ 193). Prefer this over a generic date-arithmetic tool whenever German legal compliance matters.
Side effects
- Missing required start date or period length returns a 400 validation error
- Invalid or unrecognised German federal state code returns an error or falls back to Sunday/Saturday-only mode
- Ambiguous period specification (e.g. missing unit) causes a parsing error
- Dates far outside supported range may return an out-of-range error
- Network timeout or service unavailability returns a 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| mode | string | event = § 187 (1), the start day does not count; beginning = § 187 (2), it does |
| unit | string | Unit of the period |
| start | string | Start date YYYY-MM-DD (day of the event, or first day) |
| state | string | Optional. Federal state code for § 193 (BW BY BE BB HB HH HE MV NI NW RP SL SN ST TH SH) |
| length | integer | Length of the period, positive integer |
Tags
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