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

# Changelog

> Updates and additions to the Fourthwall developer platform and docs

<Update label="July 2026" tags={["AI", "MCP"]}>
  ## ChatGPT & Claude apps + MCP tool sync

  * Rewrote the Claude app page as a combined **ChatGPT & Claude App** guide covering both assistants.
  * Synced the [MCP server](/ai/mcp) tool list with the server's default tools.
  * Added a **Codex CLI** setup tab and documented the per-request rate-limit override mechanism.
</Update>

<Update label="June 2026" tags={["Channel API", "AI", "Streaming", "Beta"]}>
  ## Channel API (Beta), MCP app guide, and Streaming Gifting

  * Unhid the [Channel API](/channel-api/authentication) (Beta) and added the **platform** and **agency** integration guides. Access tokens are now documented on the single [Authentication](/channel-api/authentication) page.
  * Added a [Build an MCP App](/ai/mcp) guide and documented the MCP **write & management** tools.
  * Added the [Streaming Gifting](/streaming/gifting) guide for the gift-purchase flow.
  * Documented HTML section schemas for [HTML Sections](/html/overview).
</Update>

<Update label="May 2026" tags={["Products", "API", "Streaming", "Beta"]}>
  ## Product guides, Product Templates, and rate limits

  * Split the products guide into [Create digital products](/guides/create-digital-products) and [Create design products](/guides/create-design-products) (Beta), and documented the media-upload `PUT` contract.
  * Exposed the **Product Templates** list endpoints on the [Platform API](/api-reference/platform/product-templates/list-product-templates-paged).
  * Surfaced [rate limits](/guides/rate-limiting) on every endpoint and refreshed the order specs.
  * Added the [Streaming Alerts](/streaming/alerts) guide.
</Update>

<Update label="April 2026" tags={["AI", "Storefront", "HTML Sections"]}>
  ## AI section, Shop APIs, and HTML Sections

  * Launched the [AI](/ai/llm-support) section, including the initial Claude app guide and MCP server docs.
  * Added the [Shop APIs](/shop-apis/cart-checkout-endpoint) section covering the cart checkout endpoint and shop feeds.
  * Documented rendering Liquid in [HTML Sections](/html/overview) and renamed "custom HTML" to "custom code".
</Update>