diff --git a/.changeset/four-pugs-greet.md b/.changeset/four-pugs-greet.md
new file mode 100644
index 0000000000..1a812a53c4
--- /dev/null
+++ b/.changeset/four-pugs-greet.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Fixed Metis Explorer API URL.
diff --git a/src/chains/definitions/metis.ts b/src/chains/definitions/metis.ts
index 3525dcb08c..1eb3b64de7 100644
--- a/src/chains/definitions/metis.ts
+++ b/src/chains/definitions/metis.ts
@@ -16,7 +16,7 @@ export const metis = /*#__PURE__*/ defineChain({
       name: 'Metis Explorer',
       url: 'https://explorer.metis.io',
       apiUrl:
-        'https://api.routescan.io/v2/network/mainnet/evm/43114/etherscan/api',
+        'https://api.routescan.io/v2/network/mainnet/evm/1088/etherscan/api',
     },
     blockscout: {
       name: 'Andromeda Explorer',