> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mattildapayments.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Step 2: Generate a client token for use with iOS

Before you add the SDK to your iOS app you will need to create a client
token that can be used to authenticate the transaction.

<Snippet file="quickstarts/sdks.mdx" />

<Snippet file="quickstarts/token.mdx" />

## Loading token in iOS

The token needs to be shared with your iOS application via your own API.
We recommend you create a token per checkout and only use a token for a short
amount of time.

## Summary

In this step you:

* Created a signed JWT token using a server-side SDK.
* Shared the JWT with your iOS application