For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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OpenRPCExtensions

Availability

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Request + response examples

Mark features as available in specific SDK versions:

openrpc.yml
1methods:
2  - name: beta.advancedSearch
3    summary: Advanced search functionality
4    x-fern-availability:
5      status: beta
6      message: "This feature is in beta and may change"
7    params:
8      - name: searchQuery
9        schema:
10          $ref: '#/components/schemas/AdvancedSearchQuery'
11    result:
12      name: searchResults
13      schema:
14        $ref: '#/components/schemas/SearchResults'