From 15a892daab47b8a5ad57378eec28be21faec03e6 Mon Sep 17 00:00:00 2001 From: Alex Donesky Date: Wed, 24 Jun 2026 15:29:01 -0500 Subject: [PATCH] docs: link to the Multichain API prose reference 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. --- README.md | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/README.md b/README.md index 2ab2f4f..af5ed60 100644 --- a/README.md +++ b/README.md @@ -11,6 +11,13 @@ You can view the specs in the following formats: human-readable, and machine-readable. It improves the accuracy of documentation, APIs, and clients. +> **Multichain API (CAIP-25 / CAIP-27).** For a prose walkthrough of the +> Multichain API — `wallet_createSession` inputs/outputs, supported methods, error +> codes, and how MetaMask currently diverges from the latest CAIP-25 — see +> [`MULTICHAIN_API.md`](https://github.com/MetaMask/core/blob/main/packages/multichain-api-middleware/MULTICHAIN_API.md) +> in `@metamask/multichain-api-middleware`. The `multichain/openrpc.yaml` file here +> is the machine-readable source of truth for that API. + ## Contribute You can contribute to the API specs using the following steps.