# API

- [Objects](https://docs.echo3d.com/api/objects.md): Learn the structure of content entries in the API.
- [Queries](https://docs.echo3d.com/api/queries.md): Learn how to query for information on the entries of the project.
- [Data](https://docs.echo3d.com/api/data.md): Learn how to post data to the project.
- [What Metadata is Stored](https://docs.echo3d.com/api/data/what-metadata-is-stored.md): Learn what metadata is held by default in content entries and is available for you to query.
- [Upload](https://docs.echo3d.com/api/upload.md): Learn how to upload assets with a query.
- [Download](https://docs.echo3d.com/api/download.md): Learn how to download assets with a query.
- [Delete](https://docs.echo3d.com/api/delete.md): Learn how to delete assets with a query.
- [Entry Hierarchy](https://docs.echo3d.com/api/entry-hierarchy.md): Learn how to add an entry as a child or parent of another entry
- [Convert & Compress](https://docs.echo3d.com/api/convert.md): Learn how to convert assets with a query.
- [Compress](https://docs.echo3d.com/api/compress.md): Learn how to compress assets with a query.
- [Organize](https://docs.echo3d.com/api/organize.md): The Organize API can help you move assets into folders easily within your project.
- [Version](https://docs.echo3d.com/api/version.md): Learn how to save the location of a user accessing a content entry.
- [Locate](https://docs.echo3d.com/api/locate.md): Learn how to save the location of a user accessing a content entry.
- [Search](https://docs.echo3d.com/api/search.md): Learn how to search for 3D models from 3rd party 3D search engines.
- [Search by Image or Model](https://docs.echo3d.com/api/search-by-image-or-model.md): Learn how to search for assets across your collections via image or model.
- [Share Content](https://docs.echo3d.com/api/share-content.md): Learn how to share content across collections.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.echo3d.com/api.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.