# Environment Variables

Your app needs two Privy credentials. The **App ID** is safe to expose on the client. The **App Secret** must stay server-side only.

<table><thead><tr><th width="179.73046875">Variable</th><th width="106.0859375">Side</th><th>Description</th></tr></thead><tbody><tr><td><code>VITE_PRIVY_APP_ID</code></td><td>Client</td><td>Public app identifier from the Privy dashboard</td></tr><tr><td><code>PRIVY_APP_ID</code></td><td>Server</td><td>Same app identifier, referenced in backend code</td></tr><tr><td><code>PRIVY_APP_SECRET</code></td><td>Server</td><td>Secret key used to verify identity tokens</td></tr></tbody></table>


---

# 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://city-protocol.gitbook.io/docs/software-development-kit/wallet/environment-variables.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.