Integration
Connect Pneumatic to The Calendar
When something happens in Pneumatic, 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.
Build it
What do you want Pneumatic 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.
Ask the assistant
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Or work from Claude Code
Install the APIANT plugin for Claude Code and build, edit, test and read run history from your terminal. Every plan gets this, including free, and it spends no assistant credits.
Connect Claude CodeEverything your agent can do with Pneumatic and The Calendar
Triggers and actions 4 triggers ยท 11 actions
Trigger
Task CompletedTriggers when some task is completed.
- Task Returned
Triggers when a process is returned to this task.
- Workflow Completed
Triggers when a workflow is completed.
- Workflow Started
Triggers when a new workflow is started.
- Get Task
Get a single task by id. GET https://api.pneumatic.app/tasks/{task_id}.
- Get Template
Get a specific workflow template by id. GET https://api.pneumatic.app/templates/{template_id}.
- List Templates
List all workflow templates in the account. GET https://api.pneumatic.app/templates, supports ordering/limit/offset query params.
- List Users
List users in the account. GET https://api.pneumatic.app/users.
- Run Workflow
Run a New Workflow
- Update Task
Complete a task. POST https://api.pneumatic.app/tasks/{task_id}/complete (marks the task done and advances the workflow).
Action
Get country holidaysReturn 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.
- 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.
- 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.
- 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.
- 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.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
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