diff --git a/app.py b/app.py
new file mode 100644
index 0000000..18b64c2
--- /dev/null
+++ b/app.py
@@ -0,0 +1,33 @@
+import logging
+import json
+
+from flask import (Flask, request, jsonify)
+
+from ltsdb_json import LTS
+
+logging.basicConfig(level=logging.DEBUG)
+
+app = Flask(__name__)
+
+log = logging.getLogger()
+
+@app.route("/")
+def home():
+    return jsonify({ "success": None })
+
+
+@app.route("/report", methods=["POST"])
+def report():
+    data = request.get_json()
+    n_ts = 0
+    n_dp = 0
+    for d in data:
+        d["description"]["remote_addr"] = request.remote_addr
+        log.info("received %s", json.dumps(d))
+        ts = LTS(d["description"])
+        for dp in d["data"]:
+            ts.add(*dp)
+            ts.save()
+            n_dp += 1
+        n_ts += 1
+    return jsonify({ "success": True, "timeseries": n_ts, "datapoints": n_dp })
diff --git a/ltsdb_json.py b/ltsdb_json.py
index 19e13ff..6eb2f3a 100644
--- a/ltsdb_json.py
+++ b/ltsdb_json.py
@@ -4,6 +4,7 @@ import fcntl
 import glob
 import hashlib
 import json
+import random
 import time
 
 class LTS:
@@ -74,8 +75,16 @@ class LTS:
         print("index rebuilt in", t1 - t0, "seconds")
 
     @classmethod
-    def find(self, match):
-        with open(self.base_dir + "/.index", "r") as fh:
+    def find(cls, match):
+        result = None
+        with open(cls.base_dir + "/.index", "r") as fh:
             fcntl.flock(fh, fcntl.LOCK_SH)
-            index = json.dump(fh)
+            index = json.load(fh)
+            for d, v in match.items():
+                    ts = set(index[d][v])
+                    if result is None:
+                        result = ts
+                    else:
+                        result &= ts
+        return result