> ## Documentation Index
> Fetch the complete documentation index at: https://docs.talkover.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Availability Rule

> Add a recurring or exception availability rule

# Create Availability Rule

Add an availability rule (recurring window or exception date) to a calendar.

## Endpoint

```
POST /api/v1/calendars/{calendar_id}/availability-rules
```

## Path parameters

<ParamField path="calendar_id" type="string" required>Calendar UUID.</ParamField>

## Request headers

<ParamField header="Authorization" type="string" required>
  Bearer token. Format: `Bearer talq_your_environment_token_here`
</ParamField>

<ParamField header="Content-Type" type="string" required>Must be `application/json`.</ParamField>

## Request body

<ParamField body="type" type="string" required>Rule type. Options: `recurring`, `exception`.</ParamField>

### When `type: "recurring"`

<ParamField body="days_of_week" type="array" required>Array of weekday numbers (`1`=Mon . `7`=Sun).</ParamField>
<ParamField body="start_time" type="string" required>Window start. Format: `HH:MM`.</ParamField>
<ParamField body="end_time" type="string" required>Window end. Format: `HH:MM`.</ParamField>
<ParamField body="timezone" type="string">IANA timezone. Defaults to calendar's timezone.</ParamField>

### When `type: "exception"`

<ParamField body="date" type="string" required>Date of exception. Format: `YYYY-MM-DD`.</ParamField>
<ParamField body="available" type="boolean" required>Whether this date is available (overrides recurring rules) or blocked.</ParamField>

## Examples

<RequestExample>
  ```bash theme={null}
  # Recurring weekday window
  curl -X POST "https://app.talkover.ai/api/v1/calendars/calendar-uuid-1/availability-rules" \
    -H "Authorization: Bearer talq_your_environment_token_here" \
    -H "Content-Type: application/json" \
    -d '{
      "type": "recurring",
      "days_of_week": [1, 2, 3, 4, 5],
      "start_time": "09:00",
      "end_time": "17:00"
    }'
  ```

  ```bash theme={null}
  # Holiday exception (block Dec 25)
  curl -X POST "https://app.talkover.ai/api/v1/calendars/calendar-uuid-1/availability-rules" \
    -H "Authorization: Bearer talq_your_environment_token_here" \
    -H "Content-Type: application/json" \
    -d '{ "type": "exception", "date": "2024-12-25", "available": false }'
  ```
</RequestExample>

## Response

<ResponseExample>
  ```json theme={null}
  {
    "success": true,
    "data": {
      "id": "rule-uuid-1",
      "type": "recurring",
      "days_of_week": [1, 2, 3, 4, 5],
      "start_time": "09:00",
      "end_time": "17:00"
    }
  }
  ```
</ResponseExample>