# Additional Resources - [Quota](https://openet.gitbook.io/docs/additional-resources/quota.md): OpenET uses a multi-tiered system for data access. - [Earth Engine](https://openet.gitbook.io/docs/additional-resources/earth-engine.md): Our API is built using Google Earth Engine infrastructure. As such, many of the same constraints and geospatial technicalities apply. - [Data Availability](https://openet.gitbook.io/docs/additional-resources/data-availability.md) - [FARMS](https://openet.gitbook.io/docs/additional-resources/farms.md): Custom Reporting Service - [Change Log](https://openet.gitbook.io/docs/additional-resources/change-log.md): Here you can find release highlights, bug fixes, and other updates as we continue to develop and improve the OpenET API. - [FAQ](https://openet.gitbook.io/docs/additional-resources/faq.md): Frequently Asked Questions --- # 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://openet.gitbook.io/docs/additional-resources.md?ask= ``` 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.