> For the complete documentation index, see [llms.txt](https://docs.asters.ai/api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.asters.ai/api/extra/limitations.md).

# Limitations

## Date limits

{% hint style="info" %}
**Date format**

All our supported dates (datetimes) follow the [ISO-8601](https://en.wikipedia.org/wiki/ISO_8601) format.
{% endhint %}

<table><thead><tr><th width="267">Object</th><th>Description</th></tr></thead><tbody><tr><td>Date format</td><td>All dates must be supplied in <strong>UTC</strong> timezone and follow the structure:<br><code>01-31-2025T00:00:00Z</code></td></tr></tbody></table>

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## File limits

We fetch files from the URLs provided.

<table><thead><tr><th width="267">Object</th><th>Description</th></tr></thead><tbody><tr><td>Accepted file formats</td><td><p>Each file must be in one of the following formats:</p><p><code>.png</code>, <code>.jpeg</code>, <code>.gif</code>,<code>.mov</code>, <code>.mp4</code></p></td></tr></tbody></table>

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## Pagination limits

We fetch records using pagination.

<table><thead><tr><th width="267">Object</th><th>Description</th></tr></thead><tbody><tr><td>Max page size</td><td>Each page size must not exceed <code>100</code> records (larger numbers will default to <code>100</code>)</td></tr></tbody></table>