From e146126f86ff29a9492e021bdf46be34bd0c5568 Mon Sep 17 00:00:00 2001
From: Fredrik Johansson <fredrik.johansson@intraphone.com>
Date: Sun, 26 Jul 2026 18:48:39 +0200
Subject: [PATCH] Api endpoint added /api/latency-targets

---
 README.md      | 20 ++++++++++++++++++++
 src/checker.ts |  2 +-
 src/index.ts   |  9 ++++++++-
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index bb43a67..e77493b 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,26 @@ GET /api/status
 
 `status` is `"up"` for any response (including 4xx — the server is reachable), `"down"` for connection errors and 5xx, `"unknown"` before the first check completes.
 
+```
+GET /api/latency-targets
+```
+
+```json
+{
+  "refreshedAt": "2026-07-26T18:00:00Z",
+  "targets": [
+    {
+      "key": "wisp.dev.example.com",
+      "name": "Wisp",
+      "url": "https://wisp.dev.example.com/",
+      "source": "npm"
+    }
+  ]
+}
+```
+
+`/api/latency-targets` exposes the current computed check list after include-pattern filtering plus admin overrides/manual targets, making it suitable as a source of truth for downstream probe consumers.
+
 ### Admin API
 
 All routes below `/api/admin` (except `/auth/check`) require an `X-Admin-Password` header matching `ADMIN_PASSWORD`. Returns `503` for every route if `ADMIN_PASSWORD` is unset.
diff --git a/src/checker.ts b/src/checker.ts
index c40d9ea..f538ca5 100644
--- a/src/checker.ts
+++ b/src/checker.ts
@@ -60,7 +60,7 @@ async function refreshNpmHosts(): Promise<void> {
   }
 }
 
-function currentTargets(): CheckTarget[] {
+export function currentTargets(): CheckTarget[] {
   return computeTargets(rawHosts, getAllOverrides(), listManualTargets());
 }
 
diff --git a/src/index.ts b/src/index.ts
index 72e2422..3614fb7 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,6 @@
 import express from 'express';
 import { config } from './config.js';
-import { startChecker, getStore } from './checker.js';
+import { startChecker, getStore, currentTargets } from './checker.js';
 import { renderPage } from './page.js';
 import { renderAdminPage } from './adminPage.js';
 import { router as adminRouter } from './admin.js';
@@ -13,6 +13,13 @@ app.get('/api/status', (_req, res) => {
   res.json(getStore());
 });
 
+app.get('/api/latency-targets', (_req, res) => {
+  res.json({
+    refreshedAt: new Date().toISOString(),
+    targets: currentTargets(),
+  });
+});
+
 app.use('/api/admin', adminRouter);
 
 app.get('/admin', (_req, res) => {