diff --git a/dd-trace-api/build.gradle.kts b/dd-trace-api/build.gradle.kts
index 4063701bf5a..9716588d34e 100644
--- a/dd-trace-api/build.gradle.kts
+++ b/dd-trace-api/build.gradle.kts
@@ -26,6 +26,10 @@ extra["excludedClassesCoverage"] = listOf(
   "datadog.trace.api.aiguard.AIGuard",
   "datadog.trace.api.aiguard.AIGuard.AIGuardAbortError",
   "datadog.trace.api.aiguard.AIGuard.AIGuardClientError",
+  "datadog.trace.api.aiguard.AIGuard.ContentPart",
+  "datadog.trace.api.aiguard.AIGuard.ContentPart.Type",
+  "datadog.trace.api.aiguard.AIGuard.Evaluation",
+  "datadog.trace.api.aiguard.AIGuard.Message",
   "datadog.trace.api.aiguard.AIGuard.Options",
   "datadog.trace.api.civisibility.CIVisibility",
   "datadog.trace.api.civisibility.DDTestModule",
@@ -43,8 +47,10 @@ extra["excludedClassesCoverage"] = listOf(
   "datadog.trace.api.profiling.ProfilingContext",
   "datadog.trace.api.profiling.ProfilingContextAttribute.NoOp",
   "datadog.trace.api.llmobs.LLMObs",
+  "datadog.trace.api.llmobs.LLMObs.Document",
   "datadog.trace.api.llmobs.LLMObs.LLMMessage",
   "datadog.trace.api.llmobs.LLMObs.ToolCall",
+  "datadog.trace.api.llmobs.LLMObs.ToolResult",
   "datadog.trace.api.llmobs.LLMObsSpan",
   "datadog.trace.api.llmobs.noop.NoOpLLMObsSpan",
   "datadog.trace.api.llmobs.noop.NoOpLLMObsSpanFactory",
@@ -63,6 +69,7 @@ extra["excludedClassesCoverage"] = listOf(
   "datadog.trace.payloadtags.PayloadTagsData",
   "datadog.trace.payloadtags.PayloadTagsData.PathAndValue",
   "datadog.trace.api.llmobs.LLMObsTags",
+  "datadog.trace.api.config.OtlpConfig.Compression",
   "datadog.trace.api.config.OtlpConfig.Protocol",
   "datadog.trace.api.config.OtlpConfig.Temporality",
 )
diff --git a/dd-trace-api/src/test/java/datadog/trace/api/ProtocolVersionTest.java b/dd-trace-api/src/test/java/datadog/trace/api/ProtocolVersionTest.java
index 92d42691f37..18d14322388 100644
--- a/dd-trace-api/src/test/java/datadog/trace/api/ProtocolVersionTest.java
+++ b/dd-trace-api/src/test/java/datadog/trace/api/ProtocolVersionTest.java
@@ -3,15 +3,28 @@
 import static datadog.trace.api.ProtocolVersion.V0_4;
 import static datadog.trace.api.ProtocolVersion.V0_5;
 import static datadog.trace.api.ProtocolVersion.V1_0;
+import static datadog.trace.api.ProtocolVersion.fromConfigValue;
+import static datadog.trace.api.ProtocolVersion.fromTraceEndpoint;
 import static java.util.Arrays.asList;
 import static java.util.Collections.singletonList;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
+import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
+@DisplayName("trace agent protocol versions")
 class ProtocolVersionTest {
 
   @Test
+  @DisplayName("expose configuration values")
+  void exposesConfigValues() {
+    assertEquals("0.4", V0_4.asConfigValue());
+    assertEquals("0.5", V0_5.asConfigValue());
+    assertEquals("1.0", V1_0.asConfigValue());
+  }
+
+  @Test
+  @DisplayName("expose primary endpoints and fallbacks")
   void exposesPrimaryEndpointAndFallbacks() {
     assertEquals("v0.4/traces", V0_4.endpoint());
     assertEquals(singletonList("v0.3/traces"), V0_4.fallback());
@@ -24,9 +37,30 @@ void exposesPrimaryEndpointAndFallbacks() {
   }
 
   @Test
+  @DisplayName("preserve endpoint probe ordering")
   void preservesProbeOrdering() {
     assertEquals(asList("v0.4/traces", "v0.3/traces"), V0_4.endpointsToProbe());
     assertEquals(asList("v0.5/traces", "v0.4/traces", "v0.3/traces"), V0_5.endpointsToProbe());
     assertEquals(asList("v1.0/traces", "v0.4/traces", "v0.3/traces"), V1_0.endpointsToProbe());
   }
+
+  @Test
+  @DisplayName("map configuration values to protocol versions")
+  void mapsConfigValueToVersion() {
+    assertEquals(V0_4, fromConfigValue(null));
+    assertEquals(V0_4, fromConfigValue("0.4"));
+    assertEquals(V0_5, fromConfigValue("0.5"));
+    assertEquals(V1_0, fromConfigValue("1.0"));
+    assertEquals(V0_4, fromConfigValue("unsupported"));
+  }
+
+  @Test
+  @DisplayName("map trace endpoints to protocol versions")
+  void mapsTraceEndpointToVersion() {
+    assertEquals(V0_4, fromTraceEndpoint(null));
+    assertEquals(V1_0, fromTraceEndpoint("http://localhost:8126/v1.0/traces"));
+    assertEquals(V0_5, fromTraceEndpoint("HTTP://LOCALHOST:8126/V0.5/TRACES"));
+    assertEquals(V0_4, fromTraceEndpoint("v0.4/traces"));
+    assertEquals(V0_4, fromTraceEndpoint("http://localhost:8126/unsupported"));
+  }
 }