Integration

Connect PostHog to The Calendar

When something happens in PostHog, your agent does the next thing in The Calendar. Describe it in plain language and the automation is built, tested on every branch and kept running.

PostHog1 triggerPostHog10 actionsThe Calendar5 actions

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What do you want PostHog and The Calendar to do together?

Describe it and your agent reads both APIs, builds the automation, tests every branch and ships it. The list below is what exists today, not the limit.

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Everything your agent can do with PostHog and The Calendar

Triggers and actions 1 trigger · 15 actions

Trigger
Action Performed
Triggers when an action is performed by a user.
Action
Add annotation
Create a new annotation on the project timeline (content, date_marker, scope). POST /api/projects/:project_id/annotations/
Action
Capture Event
Captures an event.
Action
Evaluate feature flags
Evaluate all feature flag values for a given distinct_id/person, returning flag states for use in automation branching. Public POST /flags endpoint (project token auth).
Action
Get person
Retrieve a single person by ID. GET /api/projects/:project_id/persons/:id/
Action
List annotations
List annotations in the project. GET /api/projects/:project_id/annotations/
Action
List cohorts
List cohorts defined in the project. GET /api/projects/:project_id/cohorts/
Action
List feature flags
List feature flags defined in the project. GET /api/projects/:project_id/feature_flags/
Action
List insights
List saved insights (charts/graphs) in the project. GET /api/projects/:project_id/insights/
Action
List persons
List/search persons in the project, optionally filtered by distinct_id or properties. GET /api/projects/:project_id/persons/
Action
Update person
Update a person's properties by ID. PATCH /api/projects/:project_id/persons/:id/
Action
Get country holidays
Return the list of public holidays for a given country and year. GET https://the-calendar.net/api/holidays/by-country/{country-slug}/{year}.json (~30 countries, 2026 published, e.g. united-kingdom, canada, australia, germany, japan). Response: {country, kind, year, source, holidays:[{name,date,observed,weekday,note}]}. No auth.
Action
Get finance calendar
Return a US finance-related date calendar for a given year and calendar type: fomc (Fed meeting dates), tax-deadlines, or market-holidays (stock market closures). GET https://the-calendar.net/api/finance/{fomc|tax-deadlines|market-holidays}/{year}.json. No auth.
Action
Get sports schedule
Return key schedule/calendar dates for a sports league or team. GET https://the-calendar.net/api/sports/{slug}.json where slug is one of: nfl-schedule, nba-schedule, mlb-schedule, nhl-schedule, mls-schedule, premier-league-schedule, la-liga-schedule, champions-league-schedule, f1-2026-calendar, real-madrid-calendar, fc-barcelona-calendar, manchester-united-calendar. No auth.
Action
Get US federal holidays
Return the list of US federal holidays for a given year. GET https://the-calendar.net/api/holidays/us-federal/{year}.json (years 2025-2028 published). Response: {country, kind, year, source, holidays:[{name,date,observed,weekday,note}]}. No auth.
Action
Get US state holidays
Return the list of state-observed holidays for a given US state and year. GET https://the-calendar.net/api/holidays/by-state/{state-slug}/{year}.json (all 50 states, 2026 published). Response: {country, kind, year, source, holidays:[{name,date,observed,weekday,note}]}. No auth.

Each app on its own

The other way round: The Calendar to PostHog