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

# Find your Public Key or Private Key

> How to locate the public and private keys for your account.

Previously, your account's Public Key and Private Key were used to interact with Smile's REST API and initialize Smile's JavaScript SDK. These keys have been phased our in favour of newer and more modern replacements, and this article exists as a temporary historical reference only.

<Check>
  **Feature availability**: API access is available on \*\*Plus \*\*and **Enterprise** plans.
</Check>

### Use Smile's REST API

If you're looking to make calls to Smile's [REST API](https://dev.smile.io/api), you should use [API keys](/en/articles/11328240-manage-api-keys) instead.

<Tip>
  **Tip:** For step-by-step instructions on how to migrate from Private Keys to API keys, read our [full article](/en/articles/11730614-migrate-from-a-legacy-private-key-to-api-keys).
</Tip>

## Initialize Smile's JavaScript SDK

If you want to initialize Smile's JavaScript SDK, you should use your [publishable key](/en/articles/11878403-find-publishable-key) and a [signing key](/en/articles/11878129-manage-signing-keys) instead.