diff --git a/ingest/views.py b/ingest/views.py
index 47e675d..1e354e8 100644
--- a/ingest/views.py
+++ b/ingest/views.py
@@ -1,11 +1,13 @@
 import json  # TODO consider faster APIs
+from urllib.parse import urlparse
 
 from rest_framework import permissions, status
 from rest_framework.response import Response
 from rest_framework.views import APIView
+from rest_framework import exceptions
 
 # from projects.models import Project
-# from sentry.utils.auth import parse_auth_header
+from sentry.utils.auth import parse_auth_header
 
 from projects.models import Project
 from issues.models import Issue
@@ -23,6 +25,29 @@ class BaseIngestAPIView(APIView):
     content_negotiation_class = IgnoreClientContentNegotiation
     http_method_names = ["post"]
 
+    @classmethod
+    def auth_from_request(cls, request):
+        # VENDORED FROM GlitchTip at a4f33da8d4e759d61ffe073a00f2bb3839ac65f5
+        # Accept both sentry or glitchtip prefix.
+        for k in request.GET.keys():
+            if k in ["sentry_key", "glitchtip_key"]:
+                return request.GET[k]
+
+        if auth_header := request.META.get(
+            "HTTP_X_SENTRY_AUTH", request.META.get("HTTP_AUTHORIZATION")
+        ):
+            result = parse_auth_header(auth_header)
+            return result.get("sentry_key", result.get("glitchtip_key"))
+
+        if isinstance(request.data, list):
+            if data_first := next(iter(request.data), None):
+                if isinstance(data_first, dict):
+                    dsn = urlparse(data_first.get("dsn"))
+                    if username := dsn.username:
+                        return username
+
+        raise exceptions.NotAuthenticated("Unable to find authentication information")
+
     def process_event(self, event_data, request, project):
         event = DecompressedEvent.objects.create(
             project=project,
diff --git a/sentry/utils/auth.py b/sentry/utils/auth.py
new file mode 100644
index 0000000..0464d7f
--- /dev/null
+++ b/sentry/utils/auth.py
@@ -0,0 +1,11 @@
+def _make_key_value(val):
+    return val.strip().split("=", 1)
+
+
+def parse_auth_header(header):
+    if isinstance(header, bytes):
+        header = header.decode("latin1")
+    try:
+        return dict(map(_make_key_value, header.split(" ", 1)[1].split(",")))
+    except Exception:
+        return {}