# Welcome to Cardano Testnets

<figure><img src="https://1211461780-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FK2iheCbXjtM9T2BfLb52%2Fuploads%2FzK9AQW5wJlih6Gzjt6JG%2Fcardano-testnet-cryptoninjas.jpg?alt=media&#x26;token=4593928d-36c8-4361-a875-ba177bb0d4ba" alt=""><figcaption></figcaption></figure>

Testnets provide Cardano SPOs, developers and users with a place to break things before they go live on Mainnet.&#x20;

Supporting the Testnets with infrastructure is a key component of an SPO's contribution to the Ecosystem. If you would like to help the Testnets, please read on!


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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://testnet-docs.gitbook.io/cardano-testnets/welcome-to-cardano-testnets.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.