diff --git a/src/application/ports/backend-client-port.ts b/src/application/ports/backend-client-port.ts
index bb31894..73da599 100644
--- a/src/application/ports/backend-client-port.ts
+++ b/src/application/ports/backend-client-port.ts
@@ -13,10 +13,10 @@ import type {
  * Covers authentication, underwriting, and tap-credit flows.
  */
 export interface BackendClientService {
-    /** GET /auth/{wallet}/getMessage — fetch SIWE challenge message. */
+    /** GET /message/{wallet} — fetch SIWE challenge message. */
     readonly getMessage: (wallet: string) => Effect.Effect<GetMessageResponse, Error>;
 
-    /** POST /auth/{wallet}/verifyMessage — submit signed message and receive JWT. */
+    /** POST /verify/{wallet} — submit signed message and receive JWT. */
     readonly verifyMessage: (wallet: string, signature: string) => Effect.Effect<VerifyMessageResponse, Error>;
 
     /** POST /underwrite/{wallet}/chain/{chainId}/pool/{poolAddress} — underwrite claims. */
diff --git a/src/infrastructure/http/backend-client.ts b/src/infrastructure/http/backend-client.ts
index a26f4dc..a7d2f93 100644
--- a/src/infrastructure/http/backend-client.ts
+++ b/src/infrastructure/http/backend-client.ts
@@ -27,10 +27,10 @@ const fetchJson = <T>(url: string, init?: RequestInit): Effect.Effect<T, Error>
 
 export const BackendClientLive = Layer.succeed(BackendClientService, {
     getMessage: (wallet: string) =>
-        fetchJson<GetMessageResponse>(`${AUTH_BASE_URL}/auth/${wallet}/getMessage`),
+        fetchJson<GetMessageResponse>(`${AUTH_BASE_URL}/message/${wallet}`),
 
     verifyMessage: (wallet: string, signature: string) =>
-        fetchJson<VerifyMessageResponse>(`${AUTH_BASE_URL}/auth/${wallet}/verifyMessage`, {
+        fetchJson<VerifyMessageResponse>(`${AUTH_BASE_URL}/verify/${wallet}`, {
             method: 'POST',
             headers: { 'Content-Type': 'text/plain' },
             body: signature,
diff --git a/test/cli/factoring/backend-commands.e2e.test.ts b/test/cli/factoring/backend-commands.e2e.test.ts
index 78e291f..8f09dca 100644
--- a/test/cli/factoring/backend-commands.e2e.test.ts
+++ b/test/cli/factoring/backend-commands.e2e.test.ts
@@ -54,17 +54,17 @@ const handleRequest = async (req: IncomingMessage, res: ServerResponse) => {
     const url = req.url ?? '';
     const method = req.method ?? 'GET';
 
-    // GET /auth/{wallet}/getMessage
-    if (method === 'GET' && url.match(/^\/auth\/0x[0-9a-fA-F]+\/getMessage$/)) {
+    // GET /message/{wallet}
+    if (method === 'GET' && url.match(/^\/message\/0x[0-9a-fA-F]+$/)) {
         res.writeHead(200, { 'Content-Type': 'application/json' });
         res.end(JSON.stringify({ message: SIWE_MESSAGE }));
         return;
     }
 
-    // POST /auth/{wallet}/verifyMessage
-    if (method === 'POST' && url.match(/^\/auth\/0x[0-9a-fA-F]+\/verifyMessage$/)) {
+    // POST /verify/{wallet}
+    if (method === 'POST' && url.match(/^\/verify\/0x[0-9a-fA-F]+$/)) {
         const signature = await readBody(req);
-        const walletMatch = url.match(/\/auth\/(0x[0-9a-fA-F]+)\//);
+        const walletMatch = url.match(/\/verify\/(0x[0-9a-fA-F]+)$/);
         const wallet = walletMatch?.[1] ?? '';
 
         // Actually verify the SIWE signature