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openapi: 3.2.0
info:
title: FernTool Network Timestamp API
version: 0.14.10
description: 'Free network API: your IP, IP geolocation with timezone and VPN/Tor/datacenter flags, batch lookup, RDAP WHOIS, DNS, reverse DNS, subnet calculator, timestamps, date maths, time zones, random numbers and random picks. No key. CORS *. Please keep under ~40 network lookups/minute.'
servers:
- url: https://www.ferntool.com
tags:
- name: Timestamp
paths:
/api/timestamp:
get:
operationId: timestamp
summary: Current time, or convert a Unix timestamp / date
parameters:
- name: value
in: query
required: false
description: Unix timestamp (s, ms, µs, ns auto-detected) or date like 2026-12-25T09:00. Omit for now.
schema:
type: string
- name: tz
in: query
required: false
description: IANA time zone (default UTC)
schema:
type: string
responses:
'200':
description: Time
content:
application/json:
schema:
type: object
'400':
description: Unreadable value or unknown time zone
tags:
- Timestamp