diff --git a/src/middleware/api-key-scope.ts b/src/middleware/api-key-scope.ts
index fc02e16..3bee2de 100644
--- a/src/middleware/api-key-scope.ts
+++ b/src/middleware/api-key-scope.ts
@@ -1,12 +1,19 @@
 import type { ApiKeyScope } from "../modules/api-keys/api-keys.schema.js";
 import { ForbiddenError } from "../utils/errors.js";
 
-function routeScope(method: string, routePath: string): ApiKeyScope | "admin:all" {
+function routeScope(method: string, routePath: string): ApiKeyScope | "admin:all" | null {
+  // null = any authenticated API key may call this endpoint (no additional scope needed)
+  if (routePath === "/auth/me") return null;
+
   if (method === "GET" && routePath.startsWith("/admin/employees")) return "read:employees";
   if (method === "GET" && (routePath.startsWith("/admin/sessions") || routePath === "/attendance/my-sessions")) {
     return "read:sessions";
   }
-  if ((method === "POST" && routePath === "/expenses") || (method === "PATCH" && routePath.startsWith("/admin/expenses/"))) {
+  if (
+    (method === "POST" && routePath === "/expenses") ||
+    (method === "GET" && routePath === "/expenses/my") ||
+    (method === "PATCH" && routePath.startsWith("/admin/expenses/"))
+  ) {
     return "write:expenses";
   }
   return "admin:all";
@@ -19,6 +26,7 @@ export function hasApiKeyScope(scopes: ApiKeyScope[], required: ApiKeyScope | "a
 
 export function enforceApiKeyScope(method: string, routePath: string, scopes: ApiKeyScope[]): void {
   const required = routeScope(method.toUpperCase(), routePath);
+  if (required === null) return; // endpoint accessible to any authenticated API key
   if (!hasApiKeyScope(scopes, required)) {
     throw new ForbiddenError(`API key missing required scope: ${required}`);
   }
diff --git a/src/modules/admin/monitoring.repository.ts b/src/modules/admin/monitoring.repository.ts
index 9cda4de..b8a236a 100644
--- a/src/modules/admin/monitoring.repository.ts
+++ b/src/modules/admin/monitoring.repository.ts
@@ -93,14 +93,16 @@ export const monitoringRepository = {
     page: number,
     limit: number,
   ): Promise<{ data: AdminSession[]; total: number }> {
-    const { data, error, count } = await applyPagination(
-      orgTable(request, "admin_sessions")
-        .select(MONITORING_COLS, { count: "exact" })
-        .eq("admin_id", request.user.sub)
-        .order("started_at", { ascending: false }),
-      page,
-      limit,
-    );
+    // When auth is via API key, request.user.sub is "api_key:<id>" — not a real
+    // users.id UUID. Filtering by admin_id would cause a DB type error. Instead,
+    // return all org sessions (API key callers have org-level access, not user-level).
+    let baseQuery = orgTable(request, "admin_sessions")
+      .select(MONITORING_COLS, { count: "exact" })
+      .order("started_at", { ascending: false });
+    if (request.authType !== "api_key") {
+      baseQuery = baseQuery.eq("admin_id", request.user.sub);
+    }
+    const { data, error, count } = await applyPagination(baseQuery, page, limit);
 
     if (error) {
       throw new Error(`Failed to fetch monitoring history: ${error.message}`);
diff --git a/src/modules/analytics/analytics.controller.ts b/src/modules/analytics/analytics.controller.ts
index 925fc86..7176e68 100644
--- a/src/modules/analytics/analytics.controller.ts
+++ b/src/modules/analytics/analytics.controller.ts
@@ -8,6 +8,7 @@ import type {
   LeaderboardQuery,
 } from "./analytics.schema.js";
 import { ok, handleError } from "../../utils/response.js";
+import { BadRequestError } from "../../utils/errors.js";
 
 /**
  * Analytics controller — delegates to service and returns consistent
@@ -51,7 +52,12 @@ export const analyticsController = {
   ): Promise<void> {
     try {
       const query = request.query as UserSummaryQuery;
-      const userId = query.userId ?? request.user.sub;
+      // When authenticating via API key, request.user.sub is "api_key:<id>" which
+      // is not a valid users.id UUID. Require an explicit userId in that case.
+      const userId = query.userId ?? (request.authType === "api_key" ? null : request.user.sub);
+      if (!userId) {
+        throw new BadRequestError("userId query parameter is required when using API key authentication");
+      }
       const data = await analyticsService.getUserSummary(
         request,
         userId,
diff --git a/src/modules/auth/auth.routes.ts b/src/modules/auth/auth.routes.ts
index 4bb9f7e..1ae7162 100644
--- a/src/modules/auth/auth.routes.ts
+++ b/src/modules/auth/auth.routes.ts
@@ -5,7 +5,8 @@ import { authenticate } from "../../middleware/auth.js";
 const authMeResponseSchema = z.object({
   success: z.literal(true),
   data: z.object({
-    id: z.string().uuid(),
+    // sub can be a UUID (JWT) or "api_key:<uuid>" (API key auth) — accept both
+    id: z.string(),
     email: z.string().email().optional(),
     role: z.enum(["ADMIN", "EMPLOYEE"]),
     orgId: z.string().uuid(),