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

# Data formats

TypeScript notation is used to help define data types and structures throughout the API reference documentation.

## Date

Dates conform to ISO 8601 and are UTC based. Example:

```
2021-12-31T10:00:00Z
```

## Duration

Durations conform to ISO 8601. Example:

```
PT1HM30  // 1 hour and 30 minutes
```