# Historical and State Data access

[Hyperion](https://hyperion.docs.eosrio.io/) the most commonly used API allowing developers to access/query historical and state data of leap-based blockchains.

* See [Hyperion History Api](/unity-plugin-suite/sources/hyperion.md) to learn how to access/query historical and state-data.

[EosSharp](https://github.com/liquiidio/EosSharp) C#-based implementation of eos-js, used to access state data and to communicate with Leap-Nodes and their RPC-Endpoints (push transactions, query table-data and more)

* See [EosSharp](/unity-plugin-suite/sources/eos_sharp.md) to learn how to query state-data, how to serialize or deserialize data and objects and how to access the Leap-Nodes RPC-Endpoints


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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://liquiidio.gitbook.io/unity-plugin-suite/readme/historical-and-state-data-access.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.