> This page is for Afterpay Online Developer, version Main (default).
> For other versions, use one of these documentation indexes:
> - Main (default): https://developers.afterpay.com/afterpay-online-developer/main/llms.txt
> - v1: https://developers.afterpay.com/afterpay-online-developer/v-1/llms.txt
> - Chinese: https://developers.afterpay.com/afterpay-online-developer/chinese/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.afterpay.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.afterpay.com/_mcp/server.

# Older Afterpay Messaging Information and Links

You can find links to our previous messaging products and features, including the JavaScript library here.

> **Warning**
>
> The products and features listed here are only partially supported. All Afterpay merchants with a direct integration should use Dynamic Messaging for on-site messaging. See [Getting Started with On-Site Messaging](/afterpay-online-developer/main/guides/afterpay-messaging/getting-started) and [Migration](/afterpay-online-developer/main/guides/afterpay-messaging/migration) for more details.

## Links

### JavaScript Library

* [JavaScript Library introduction](/afterpay-online-developer/main/guides/afterpay-messaging/javascript-library)

* [Style Messaging](/afterpay-online-developer/main/guides/afterpay-messaging/style-messaging)

* [Examples](/afterpay-online-developer/main/guides/afterpay-messaging/examples)

* [Advanced Configuration](Advanced-Configuration.mdx)

* [Advanced Usage](/afterpay-online-developer/main/guides/afterpay-messaging/advanced-usage)

* [Afterpay.js Reference](/afterpay-online-developer/main/guides/afterpay-messaging/afterpay-js-reference)

* [Afterpay.js Glossary](/afterpay-online-developer/main/guides/afterpay-messaging/afterpay-js-glossary)