diff --git a/changelog.d/22126.fix.md b/changelog.d/22126.fix.md
new file mode 100644
index 0000000000000..d9f7e9b451295
--- /dev/null
+++ b/changelog.d/22126.fix.md
@@ -0,0 +1,3 @@
+Fix `opentelemetry` sink input resolution. The sink is now using the underlying protocol to determine what inputs are accepted.
+
+authors: pront
diff --git a/src/sinks/opentelemetry/mod.rs b/src/sinks/opentelemetry/mod.rs
index 4f716d3ff58bf..90d26da27e202 100644
--- a/src/sinks/opentelemetry/mod.rs
+++ b/src/sinks/opentelemetry/mod.rs
@@ -74,7 +74,9 @@ impl SinkConfig for OpenTelemetryConfig {
     }
 
     fn input(&self) -> Input {
-        Input::all()
+        match &self.protocol {
+            Protocol::Http(config) => config.input(),
+        }
     }
 
     fn acknowledgements(&self) -> &AcknowledgementsConfig {