# calendar.events

List important company dates between from and to (YYYY-MM-DD, at most 400 days): compliance deadlines with what, why, citations and weekend-adjusted dates, plus invoice due dates, agreement expiries and contractor pay runs from other modules. Sources that fail are listed in unavailable.

`GET | POST /api/v1/accounting/calendar.events`

Permissions: `accounting:read` · Roles: admin, finance

MCP tool: `accounting_calendar_events`

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `from` | string | Yes | The first date to include, as YYYY-MM-DD. |
| `to` | string | Yes | The last date to include, as YYYY-MM-DD. |

## Example request

```bash
curl -G https://app.getoatmilk.com/api/v1/accounting/calendar.events \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  --data-urlencode 'from=2026-09-01' \
  --data-urlencode 'to=2026-09-30'
```

Reference page: https://app.getoatmilk.com/docs/api/calendar.events