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docs: link to the Multichain API prose reference#315

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adonesky1 wants to merge 1 commit into
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add-multichain-api-pointer
Open

docs: link to the Multichain API prose reference#315
adonesky1 wants to merge 1 commit into
mainfrom
add-multichain-api-pointer

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@adonesky1

@adonesky1 adonesky1 commented Jun 24, 2026

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Summary

Adds a callout in the README pointing readers to the new wallet-side Multichain API reference in @metamask/multichain-api-middleware, and clarifies that multichain/openrpc.yaml here is the machine-readable source of truth for that API.

The OpenRPC spec is accurate but not easy to read end-to-end; the new doc gives a prose walkthrough (inputs/outputs, supported methods, error codes, and divergences from the current CAIP-25). This just cross-links the two.

Depends on the companion MetaMask/core PR that adds MULTICHAIN_API.md (link targets main).

Test plan

  • Markdown renders; link resolves once the core doc merges to main.

Note

Low Risk
Documentation-only README change with no runtime or spec file edits.

Overview
Adds a Multichain API (CAIP-25 / CAIP-27) callout to the README after the OpenRPC intro. It points readers to the prose MULTICHAIN_API.md in @metamask/multichain-api-middleware for session setup, methods, errors, and CAIP-25 divergences, and states that multichain/openrpc.yaml in this repo remains the machine-readable source of truth.

Reviewed by Cursor Bugbot for commit 15a892d. Bugbot is set up for automated code reviews on this repo. Configure here.

Points readers from the README to MULTICHAIN_API.md in
@metamask/multichain-api-middleware for a readable walkthrough of the
Multichain API, and clarifies that multichain/openrpc.yaml is the
machine-readable source of truth.
@adonesky1 adonesky1 requested a review from a team as a code owner June 24, 2026 20:29
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