diff --git a/src/qlever/commands/example_queries.py b/src/qlever/commands/example_queries.py
index ce7296509..da0cbe4e0 100644
--- a/src/qlever/commands/example_queries.py
+++ b/src/qlever/commands/example_queries.py
@@ -84,6 +84,11 @@ def additional_arguments(self, subparser) -> None:
             default=False,
             help="Remove OFFSET and LIMIT from the query",
         )
+        subparser.add_argument(
+            "--access-token",
+            type=str,
+            help="Access token for privileged requests to the SPARQL endpoint",
+        )
         subparser.add_argument(
             "--accept",
             type=str,
@@ -100,6 +105,17 @@ def additional_arguments(self, subparser) -> None:
             "`text/turtle` for CONSTRUCT AND DESCRIBE queries, "
             "`application/sparql-results+json` for all others",
         )
+        subparser.add_argument(
+            "--content-type",
+            type=str,
+            choices=[
+                "application/sparql-query",
+                "application/sparql-update",
+            ],
+            default="application/sparql-query",
+            help="Content-Type header for the SPARQL query "
+            "(default: application/sparql-query)",
+        )
         subparser.add_argument(
             "--clear-cache",
             choices=["yes", "no"],
@@ -245,6 +261,7 @@ def execute(self, args) -> bool:
         self.show(
             f"Obtain queries via: {get_queries_cmd}\n"
             f"SPARQL endpoint: {sparql_endpoint}\n"
+            f"Content-Type header: {args.content_type}\n"
             f"Accept header: {args.accept}\n"
             f"Download result for each query or just count:"
             f" {args.download_or_count.upper()}"
@@ -372,22 +389,20 @@ def execute(self, args) -> bool:
 
             # Launch query.
             try:
-                curl_cmd = (
-                    f"curl -s {sparql_endpoint}"
-                    f' -w "HTTP code: %{{http_code}}\\n"'
-                    f' -H "Accept: {accept_header}"'
-                    f" --data-urlencode query={shlex.quote(query)}"
-                )
-                log.debug(curl_cmd)
-                result_file = (
-                    f"qlever.example_queries.result."
-                    f"{abs(hash(curl_cmd))}.tmp"
-                )
+                if args.content_type == "application/sparql-query":
+                    params = {"query": query}
+                else:
+                    params = {
+                        "update": query,
+                        "access-token": args.access_token,
+                    }
+                unique_id = abs(hash(query))
+                result_file = f"qlever.example_queries.result.{unique_id}.tmp"
                 start_time = time.time()
                 http_code = run_curl_command(
                     sparql_endpoint,
                     headers={"Accept": accept_header},
-                    params={"query": query},
+                    params=params,
                     result_file=result_file,
                 ).strip()
                 if http_code == "200":
diff --git a/src/qlever/util.py b/src/qlever/util.py
index af3a25c67..95fe17c73 100644
--- a/src/qlever/util.py
+++ b/src/qlever/util.py
@@ -85,6 +85,7 @@ def run_curl_command(
     headers: dict[str, str] = {},
     params: dict[str, str] = {},
     result_file: Optional[str] = None,
+    log_debug_curl_cmd: bool = True,
 ) -> str:
     """
     Run `curl` with the given `url`, `headers`, and `params`. If `result_file`
@@ -106,6 +107,7 @@ def run_curl_command(
             ]
         )
     )
+    log.debug(curl_cmd)
     result = subprocess.run(
         curl_cmd,
         shell=True,