diff --git a/id.saladeaula.digital/app/routes/authorize.py b/id.saladeaula.digital/app/routes/authorize.py
index 8cf77fd..3e0a64d 100644
--- a/id.saladeaula.digital/app/routes/authorize.py
+++ b/id.saladeaula.digital/app/routes/authorize.py
@@ -53,8 +53,6 @@ def authorize():
             grant_user=sub,
             grant=grant,
         )
-
-        logger.debug(response)
     except JoseError as err:
         logger.exception(err)
         raise BadRequestError(str(err))
diff --git a/id.saladeaula.digital/app/routes/revoke.py b/id.saladeaula.digital/app/routes/revoke.py
index f3eb303..f06e0b2 100644
--- a/id.saladeaula.digital/app/routes/revoke.py
+++ b/id.saladeaula.digital/app/routes/revoke.py
@@ -9,9 +9,7 @@ router = Router()
 
 @router.post('/revoke')
 def revoke():
-    response = server.create_endpoint_response(
+    return server.create_endpoint_response(
         RevocationEndpoint.ENDPOINT_NAME,
         router.current_event,
     )
-    logger.debug(response)
-    return response
diff --git a/id.saladeaula.digital/app/routes/token.py b/id.saladeaula.digital/app/routes/token.py
index 191e050..9fffb93 100644
--- a/id.saladeaula.digital/app/routes/token.py
+++ b/id.saladeaula.digital/app/routes/token.py
@@ -10,5 +10,5 @@ router = Router()
 @router.post('/token')
 def issue_token():
     response = server.create_token_response(router.current_event)
-    logger.debug(response)
+    logger.debug(getattr(response, 'body', None))
     return response
diff --git a/id.saladeaula.digital/client/app/routes/upstream.ts b/id.saladeaula.digital/client/app/routes/upstream.ts
index 08d9365..2e591fb 100644
--- a/id.saladeaula.digital/client/app/routes/upstream.ts
+++ b/id.saladeaula.digital/client/app/routes/upstream.ts
@@ -7,14 +7,24 @@ async function proxy({
   request,
   context
 }: Route.ActionArgs): Promise<Response> {
-  const url = new URL(request.url)
-  const issuerUrl = new URL(url.pathname, context.cloudflare.env.ISSUER_URL)
-  const response = await fetch(issuerUrl.toString(), {
+  const pathname = new URL(request.url).pathname
+  const url = new URL(pathname, context.cloudflare.env.ISSUER_URL)
+  const headers = new Headers(request.headers)
+  const response = await fetch(url.toString(), {
     method: request.method,
-    headers: request.headers
+    headers,
+    ...(['GET', 'HEAD'].includes(request.method)
+      ? {}
+      : { body: await request.text() })
   })
 
-  return new Response(await response.text(), {
+  const contentType = response.headers.get('content-type') || ''
+  const body =
+    contentType.includes('application/json') || contentType.startsWith('text/')
+      ? await response.text()
+      : await response.arrayBuffer()
+
+  return new Response(body, {
     status: response.status,
     headers: response.headers
   })