diff --git a/src/background/index.js b/src/background/index.js
index 503d378..fcb22f3 100644
--- a/src/background/index.js
+++ b/src/background/index.js
@@ -8,6 +8,7 @@ const {
 } = require("../shared/constants");
 const { state, loadState, saveState } = require("../shared/state");
 const { refreshBalances } = require("../shared/balances");
+const { debugFetch } = require("../shared/log");
 
 const storageApi =
     typeof browser !== "undefined"
@@ -67,7 +68,7 @@ function extractHostname(origin) {
 // Proxy an RPC call to the Ethereum node
 async function proxyRpc(method, params) {
     const rpcUrl = await getRpcUrl();
-    const resp = await fetch(rpcUrl, {
+    const resp = await debugFetch(rpcUrl, {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({
diff --git a/src/popup/views/settings.js b/src/popup/views/settings.js
index f892967..7c7fb27 100644
--- a/src/popup/views/settings.js
+++ b/src/popup/views/settings.js
@@ -1,7 +1,7 @@
 const { $, showView, showFlash } = require("./helpers");
 const { state, saveState } = require("../../shared/state");
 const { ETHEREUM_MAINNET_CHAIN_ID } = require("../../shared/constants");
-const { log } = require("../../shared/log");
+const { log, debugFetch } = require("../../shared/log");
 
 const runtime =
     typeof browser !== "undefined" ? browser.runtime : chrome.runtime;
@@ -56,7 +56,7 @@ function init(ctx) {
         }
         showFlash("Testing endpoint...");
         try {
-            const resp = await fetch(url, {
+            const resp = await debugFetch(url, {
                 method: "POST",
                 headers: { "Content-Type": "application/json" },
                 body: JSON.stringify({
@@ -98,7 +98,7 @@ function init(ctx) {
         }
         showFlash("Testing endpoint...");
         try {
-            const resp = await fetch(url + "/stats");
+            const resp = await debugFetch(url + "/stats");
             if (!resp.ok) {
                 showFlash("Endpoint returned HTTP " + resp.status + ".");
                 return;
diff --git a/src/shared/balances.js b/src/shared/balances.js
index 363432d..1dfe9a9 100644
--- a/src/shared/balances.js
+++ b/src/shared/balances.js
@@ -9,7 +9,7 @@ const {
     formatUnits,
 } = require("ethers");
 const { ERC20_ABI } = require("./constants");
-const { log } = require("./log");
+const { log, debugFetch } = require("./log");
 const { deriveAddressFromXpub } = require("./wallet");
 
 // Use a static network to skip auto-detection (which can fail and cause
@@ -40,7 +40,7 @@ function formatTokenBalance(raw, decimals) {
 // Returns [{ address, symbol, decimals, balance }].
 async function fetchTokenBalances(address, blockscoutUrl) {
     try {
-        const resp = await fetch(
+        const resp = await debugFetch(
             blockscoutUrl + "/addresses/" + address + "/token-balances",
         );
         if (!resp.ok) {
diff --git a/src/shared/log.js b/src/shared/log.js
index ee3c47e..b4a63f9 100644
--- a/src/shared/log.js
+++ b/src/shared/log.js
@@ -27,4 +27,14 @@ const log = {
     },
 };
 
-module.exports = { log };
+// Fetch wrapper that debug-logs every request and response.
+async function debugFetch(url, opts) {
+    const method = (opts && opts.method) || "GET";
+    const body = opts && opts.body;
+    log.debugf("fetch →", method, url, body || "");
+    const resp = await fetch(url, opts);
+    log.debugf("fetch ←", resp.status, url);
+    return resp;
+}
+
+module.exports = { log, debugFetch };
diff --git a/src/shared/tokens.js b/src/shared/tokens.js
index 5b90119..ea69439 100644
--- a/src/shared/tokens.js
+++ b/src/shared/tokens.js
@@ -5,6 +5,8 @@
 // Source: Etherscan, CoinGecko, CoinMarketCap as of 2026-02-25.
 // Ordered by approximate market cap descending.
 
+const { debugFetch } = require("./log");
+
 const COINDESK_API = "https://data-api.coindesk.com/index/cc/v1/latest/tick";
 
 const DEFAULT_TOKENS = [
@@ -818,7 +820,7 @@ async function getTopTokenPrices(n) {
         "?market=cadli&instruments=" +
         instruments +
         "&apply_mapping=true";
-    const resp = await fetch(url);
+    const resp = await debugFetch(url);
     const json = await resp.json();
     const prices = {};
     for (const [instrument, data] of Object.entries(json.Data || {})) {
diff --git a/src/shared/transactions.js b/src/shared/transactions.js
index b3d6b62..88bb9ef 100644
--- a/src/shared/transactions.js
+++ b/src/shared/transactions.js
@@ -7,7 +7,7 @@
 // a pure function that applies anti-poisoning heuristics.
 
 const { formatEther, formatUnits } = require("ethers");
-const { log } = require("./log");
+const { log, debugFetch } = require("./log");
 const { KNOWN_SYMBOLS } = require("./tokens");
 
 function formatTxValue(val) {
@@ -67,8 +67,8 @@ async function fetchRecentTransactions(address, blockscoutUrl, count = 25) {
     const addrLower = address.toLowerCase();
 
     const [txResp, ttResp] = await Promise.all([
-        fetch(blockscoutUrl + "/addresses/" + address + "/transactions"),
-        fetch(
+        debugFetch(blockscoutUrl + "/addresses/" + address + "/transactions"),
+        debugFetch(
             blockscoutUrl +
                 "/addresses/" +
                 address +