# Sign up and Sign in

#### Sign Up <a href="#sign-up" id="sign-up"></a>

If you don't have a chatalog account yet, you can sign up here: <https://app.chatalog.ai/signup>

You can create your account with a Google or Microsoft email.

#### Sign In <a href="#sign-in" id="sign-in"></a>

If you already have chatalog account, you can directly sign in on the mobile app.

<figure><img src="/files/2eDi62OHM57LkQm66vXb" alt="" width="188"><figcaption></figcaption></figure>

Based on your account registration or invitation method, we currently support the following login methods:

* Using username and password
* Via Google
* Via Microsoft


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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.chatalog.ai/chatalog-mobile-app/sign-up-and-sign-in.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.