Mention multichain tag

wallet/reference/json-rpc-methods/index.md

@@ -13,6 +13,7 @@ Each method may have one or more of the following labels:
 - **MetaMask** - The functionalities of these methods are specific to MetaMask, and may or may not be supported by other wallets.
 - **Restricted** - These methods are restricted and require requesting permission using [`wallet_requestPermissions`](/wallet/reference/json-rpc-methods/wallet_requestpermissions).
 - **Mobile** - These methods are only available on MetaMask Mobile.
+- **Ethereum API** - These are standard Ethereum JSON-RPC API methods. See the [Ethereum wiki](https://ethereum.org/en/#json-rpc-methods) for more information about these methods.
+- **Multichain API** - These methods are compatible with the [Multichain API](../multichain-api.md).
 - **Experimental** - These methods are experimental and may be changed in the future.
-- **Deprecated** - These methods are deprecated and may be removed in the future.
-- **Ethereum API** - These are standard Ethereum JSON-RPC API methods. See the [Ethereum wiki](https://ethereum.org/en/#json-rpc-methods) for more information about these methods.
+- **Deprecated** - These methods are deprecated and may be removed in the future.