> This page is for Platform, version V4 Experimental.
> For other versions, use one of these documentation indexes:
> - V4 (default): https://developer.frame.io/platform/v4/llms.txt
> - V4 Experimental: https://developer.frame.io/platform/v4-experimental/llms.txt
> - Legacy: https://developer.frame.io/platform/v2/llms.txt

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

### Added

* `GET` [Show account level field definition](/platform/v4-experimental/api-reference/metadata/field-definitions.show) — supports include: creator
  *Show a single account level field definition*

* `GET` [Show session watermark template](/platform/v4-experimental/api-reference/session-watermark-templates/show) — supports include: creator
  *Fetch a single session watermark template owned by an account*

* `POST` [Create session watermark template](/platform/v4-experimental/api-reference/session-watermark-templates/create)
  *Create a session watermark template owned by an account*

* `PATCH` [Update metadata](/platform/v4-experimental/api-reference/metadata/update)
  *Update one or more metadata field values on a file*