diff --git a/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/BeaconRestApiTypes.java b/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/BeaconRestApiTypes.java
index 8f0f8872905..5d079e9f51b 100644
--- a/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/BeaconRestApiTypes.java
+++ b/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/BeaconRestApiTypes.java
@@ -72,8 +72,8 @@
 public class BeaconRestApiTypes {
   private static final StringValueTypeDefinition<StatusParameter> STATUS_VALUE =
       DeserializableTypeDefinition.string(StatusParameter.class)
-          .formatter(StatusParameter::toString)
-          .parser(StatusParameter::valueOf)
+          .formatter(StatusParameter::getValue)
+          .parser(StatusParameter::parse)
           .example("active_ongoing")
           .description("ValidatorStatus string")
           .format("string")
diff --git a/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/StatusParameter.java b/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/StatusParameter.java
index 48fc2490943..1f15312f2ac 100644
--- a/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/StatusParameter.java
+++ b/data/beaconrestapi/src/main/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/StatusParameter.java
@@ -15,25 +15,39 @@
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 import java.util.stream.Collectors;
 import tech.pegasys.teku.api.response.v1.beacon.ValidatorStatus;
 
-@SuppressWarnings("JavaCase")
 public enum StatusParameter {
-  pending_initialized,
-  pending_queued,
-  active_ongoing,
-  active_exiting,
-  active_slashed,
-  exited_unslashed,
-  exited_slashed,
-  withdrawal_possible,
-  withdrawal_done,
-  active,
-  pending,
-  exited,
-  withdrawal;
+  PENDING_INITIALIZED("pending_initialized"),
+  PENDING_QUEUED("pending_queued"),
+  ACTIVE_ONGOING("active_ongoing"),
+  ACTIVE_EXITING("active_exiting"),
+  ACTIVE_SLASHED("active_slashed"),
+  EXITED_UNSLASHED("exited_unslashed"),
+  EXITED_SLASHED("exited_slashed"),
+  WITHDRAWAL_POSSIBLE("withdrawal_possible"),
+  WITHDRAWAL_DONE("withdrawal_done"),
+  ACTIVE("active"),
+  PENDING("pending"),
+  EXITED("exited"),
+  WITHDRAWAL("withdrawal");
+
+  private final String value;
+
+  StatusParameter(final String value) {
+    this.value = value;
+  }
+
+  public String getValue() {
+    return value;
+  }
+
+  public static StatusParameter parse(final String value) {
+    return StatusParameter.valueOf(value.toUpperCase(Locale.ROOT));
+  }
 
   public static Set<ValidatorStatus> getApplicableValidatorStatuses(
       final List<StatusParameter> statusParameters) {
@@ -42,7 +56,8 @@ public static Set<ValidatorStatus> getApplicableValidatorStatuses(
             statusParameter ->
                 Arrays.stream(ValidatorStatus.values())
                     .filter(
-                        validatorStatus -> validatorStatus.name().contains(statusParameter.name())))
+                        validatorStatus ->
+                            validatorStatus.name().contains(statusParameter.getValue())))
         .collect(Collectors.toSet());
   }
 }
diff --git a/data/beaconrestapi/src/test/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/GetStateValidatorsTest.java b/data/beaconrestapi/src/test/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/GetStateValidatorsTest.java
index c3f7ec8244b..17a47e24a23 100644
--- a/data/beaconrestapi/src/test/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/GetStateValidatorsTest.java
+++ b/data/beaconrestapi/src/test/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/GetStateValidatorsTest.java
@@ -196,7 +196,8 @@ void statusParameterEnumContainsAllValidatorStatuses() {
             validatorStatus ->
                 Arrays.stream(StatusParameter.values())
                     .anyMatch(
-                        statusParameter -> statusParameter.name().equals(validatorStatus.name())));
+                        statusParameter ->
+                            statusParameter.getValue().equals(validatorStatus.name())));
   }
 
   private static Stream<Arguments> provideStatusParameters() {
diff --git a/data/beaconrestapi/src/test/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/PostStateValidatorsTest.java b/data/beaconrestapi/src/test/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/PostStateValidatorsTest.java
index ca927c71618..4f9f12cf1e2 100644
--- a/data/beaconrestapi/src/test/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/PostStateValidatorsTest.java
+++ b/data/beaconrestapi/src/test/java/tech/pegasys/teku/beaconrestapi/handlers/v1/beacon/PostStateValidatorsTest.java
@@ -26,10 +26,10 @@
 import static tech.pegasys.teku.api.response.v1.beacon.ValidatorStatus.pending_queued;
 import static tech.pegasys.teku.api.response.v1.beacon.ValidatorStatus.withdrawal_done;
 import static tech.pegasys.teku.api.response.v1.beacon.ValidatorStatus.withdrawal_possible;
-import static tech.pegasys.teku.beaconrestapi.handlers.v1.beacon.StatusParameter.active;
-import static tech.pegasys.teku.beaconrestapi.handlers.v1.beacon.StatusParameter.exited;
-import static tech.pegasys.teku.beaconrestapi.handlers.v1.beacon.StatusParameter.pending;
-import static tech.pegasys.teku.beaconrestapi.handlers.v1.beacon.StatusParameter.withdrawal;
+import static tech.pegasys.teku.beaconrestapi.handlers.v1.beacon.StatusParameter.ACTIVE;
+import static tech.pegasys.teku.beaconrestapi.handlers.v1.beacon.StatusParameter.EXITED;
+import static tech.pegasys.teku.beaconrestapi.handlers.v1.beacon.StatusParameter.PENDING;
+import static tech.pegasys.teku.beaconrestapi.handlers.v1.beacon.StatusParameter.WITHDRAWAL;
 import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_BAD_REQUEST;
 import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_INTERNAL_SERVER_ERROR;
 import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_NOT_FOUND;
@@ -99,9 +99,9 @@ public void shouldGetValidatorFromStateWithList() throws Exception {
         new PostStateValidators.RequestBody(
             List.of("1", "2"),
             List.of(
-                StatusParameter.active_ongoing,
-                StatusParameter.active_exiting,
-                StatusParameter.withdrawal_done));
+                StatusParameter.ACTIVE_ONGOING,
+                StatusParameter.ACTIVE_EXITING,
+                StatusParameter.WITHDRAWAL_DONE));
     final StubRestApiRequest request =
         StubRestApiRequest.builder()
             .metadata(handler.getMetadata())
@@ -212,14 +212,15 @@ void statusParameterEnumContainsAllValidatorStatuses() {
             validatorStatus ->
                 Arrays.stream(StatusParameter.values())
                     .anyMatch(
-                        statusParameter -> statusParameter.name().equals(validatorStatus.name())));
+                        statusParameter ->
+                            statusParameter.getValue().equals(validatorStatus.name())));
   }
 
   private static Stream<Arguments> provideStatusParameters() {
     return Stream.of(
-        Arguments.of(List.of(active), Set.of(active_ongoing, active_exiting, active_slashed)),
-        Arguments.of(List.of(pending), Set.of(pending_initialized, pending_queued)),
-        Arguments.of(List.of(exited), Set.of(exited_slashed, exited_unslashed)),
-        Arguments.of(List.of(withdrawal), Set.of(withdrawal_done, withdrawal_possible)));
+        Arguments.of(List.of(ACTIVE), Set.of(active_ongoing, active_exiting, active_slashed)),
+        Arguments.of(List.of(PENDING), Set.of(pending_initialized, pending_queued)),
+        Arguments.of(List.of(EXITED), Set.of(exited_slashed, exited_unslashed)),
+        Arguments.of(List.of(WITHDRAWAL), Set.of(withdrawal_done, withdrawal_possible)));
   }
 }