diff --git a/src/pages/api/v1/monitoring/pull-check.ts b/src/pages/api/v1/monitoring/pull-check.ts
new file mode 100644
index 0000000..028e65a
--- /dev/null
+++ b/src/pages/api/v1/monitoring/pull-check.ts
@@ -0,0 +1,60 @@
+import type { APIRoute } from 'astro';
+import {
+  loadOsohStoreState,
+  saveOsohStoreState,
+  type OsohMonitoredSiteRecord,
+  type OsohStoreState
+} from '../../../../lib/server/osoh-store';
+import { runPullCheck } from '../../../../lib/server/osoh-pull-runner';
+
+const createMonitoringCheckId = (): string =>
+  `mcheck_${Date.now()}_${Math.random().toString(36).slice(2, 8)}`;
+
+const getActiveMonitoredSite = (
+  state: OsohStoreState
+): OsohMonitoredSiteRecord | null =>
+  state.monitoredSites.find((site) => site.status === 'active_monitored_surface') ?? null;
+
+export const POST: APIRoute = async () => {
+  const state = await loadOsohStoreState();
+  const site = getActiveMonitoredSite(state);
+
+  if (!site) {
+    return new Response(
+      JSON.stringify({
+        ok: false,
+        error: 'no_active_monitored_surface'
+      }),
+      {
+        status: 400,
+        headers: { 'content-type': 'application/json' }
+      }
+    );
+  }
+
+  const result = await runPullCheck(site.siteSlug, site.siteId);
+
+  state.monitoringChecks.push({
+    id: createMonitoringCheckId(),
+    siteId: result.siteId,
+    checkedAt: result.checkedAt,
+    ok: result.ok,
+    statusCode: result.statusCode,
+    responseTimeMs: result.responseTimeMs,
+    errorReason: result.errorReason,
+    errorDetail: result.errorDetail
+  });
+
+  await saveOsohStoreState(state);
+
+  return new Response(
+    JSON.stringify({
+      ok: true,
+      check: result
+    }),
+    {
+      status: 200,
+      headers: { 'content-type': 'application/json' }
+    }
+  );
+};