diff --git a/src/resources/UsageAnalytics/Read/DataHealth/DataHealth.ts b/src/resources/UsageAnalytics/Read/DataHealth/DataHealth.ts
index a831d0a4b..61ef91251 100644
--- a/src/resources/UsageAnalytics/Read/DataHealth/DataHealth.ts
+++ b/src/resources/UsageAnalytics/Read/DataHealth/DataHealth.ts
@@ -2,6 +2,8 @@ import ReadServiceResource from '../ReadServiceResource.js';
 import {
     DataHealthEventPayloadResponse,
     DataHealthGetEventPayloadParams,
+    DataHealthGetFailedInstancesParams,
+    DataHealthGetFailedInstancesResponse,
     DataHealthGetGroupDetailParams,
     DataHealthGetGroupDetailResponse,
     DataHealthGetGroupListingParams,
@@ -22,7 +24,7 @@ export default class DataHealth extends ReadServiceResource {
     /**
      * Get health information about events.
      */
-    listEvents(params: DataHealthListEventsParameters, args?: RequestInit) {
+    listEvents(params: DataHealthListEventsParameters) {
         return this.api.get<DataHealthListEventsResponse>(
             this.buildPathWithOrg(`${DataHealth.baseUrl}/events`, params),
         );
@@ -31,7 +33,7 @@ export default class DataHealth extends ReadServiceResource {
     /**
      * Get original event payload.
      */
-    getEventPayload(params: DataHealthGetEventPayloadParams, args?: RequestInit) {
+    getEventPayload(params: DataHealthGetEventPayloadParams) {
         return this.api.get<DataHealthEventPayloadResponse>(
             this.buildPathWithOrg(`${DataHealth.baseUrl}/events/payload`, params),
         );
@@ -40,7 +42,7 @@ export default class DataHealth extends ReadServiceResource {
     /**
      * List applicable facet values in the specified time range.
      */
-    listFacetValues(params: DataHealthListFacetValueParams, args?: RequestInit) {
+    listFacetValues(params: DataHealthListFacetValueParams) {
         return this.api.get<DataHealthListFacetsResponse>(
             this.buildPathWithOrg(`${DataHealth.baseUrl}/facets`, params),
         );
@@ -49,7 +51,7 @@ export default class DataHealth extends ReadServiceResource {
     /**
      * Get general data health information.
      */
-    getOverview(params: DataHealthGetOverviewParams, args?: RequestInit) {
+    getOverview(params: DataHealthGetOverviewParams) {
         return this.api.get<DataHealthGetOverviewResponse>(
             this.buildPathWithOrg(`${DataHealth.baseUrl}/overview`, params),
         );
@@ -58,7 +60,7 @@ export default class DataHealth extends ReadServiceResource {
     /**
      * Get health information about groups of validation rules.
      */
-    getGroupListing(params: DataHealthGetGroupListingParams, args?: RequestInit) {
+    getGroupListing(params: DataHealthGetGroupListingParams) {
         return this.api.get<DataHealthGetGroupListingResponse>(
             this.buildPathWithOrg(`${DataHealth.baseUrl}/groups`, params),
         );
@@ -67,7 +69,7 @@ export default class DataHealth extends ReadServiceResource {
     /**
      * Get health information about validation rules of a specific group.
      */
-    getGroupDetail(params: DataHealthGetGroupDetailParams, args?: RequestInit) {
+    getGroupDetail(params: DataHealthGetGroupDetailParams) {
         return this.api.get<DataHealthGetGroupDetailResponse>(
             this.buildPathWithOrg(`${DataHealth.baseUrl}/groups/detail`, params),
         );
@@ -76,12 +78,23 @@ export default class DataHealth extends ReadServiceResource {
     /**
      * Get a list of unique tracking ids.
      */
-    getTrackingIds(params: DataHealthGetTrackingIdsParams, args?: RequestInit) {
+    getTrackingIds(params: DataHealthGetTrackingIdsParams) {
         return this.api.get<DataHealthGetTrackingIdsResponse>(
             this.buildPathWithOrg(`${DataHealth.baseUrl}/facets`, {...params, facet: 'TRACKING_ID'}),
         );
     }
 
+    /**
+     * Get failed instances for a data health criterion
+     *
+     * @param params Parameters to fetch data health failed instances.
+     */
+    getFailedInstances(params: DataHealthGetFailedInstancesParams) {
+        return this.api.get<DataHealthGetFailedInstancesResponse>(
+            this.buildPathWithOrg(`${DataHealth.baseUrl}/criteria/failedInstances`, params),
+        );
+    }
+
     /**
      * Build the request path, handling the optional `org` query parameter.
      *
diff --git a/src/resources/UsageAnalytics/Read/DataHealth/DataHealthInterfaces.ts b/src/resources/UsageAnalytics/Read/DataHealth/DataHealthInterfaces.ts
index b77276d08..a7b1415ee 100644
--- a/src/resources/UsageAnalytics/Read/DataHealth/DataHealthInterfaces.ts
+++ b/src/resources/UsageAnalytics/Read/DataHealth/DataHealthInterfaces.ts
@@ -310,3 +310,57 @@ export interface DataHealthGetTrackingIdsResponse {
      */
     values: DataHealthFacetValue[];
 }
+
+export interface DataHealthGetFailedInstancesParams extends OrganizationParamParts, TimeRangeParamParts, Paginated {
+    /**
+     * The data health criterion for which the failed instances should be returned.
+     */
+    criterionId: string;
+    /**
+     * The group for which data health information should be returned.
+     */
+    group: string;
+    /**
+     * Optional value of the criterion scope for which failed instances should be returned.
+     */
+    scopeValue?: string;
+    /**
+     * Optional set of tracking IDs for which the results should be returned.
+     */
+    trackingId?: string[];
+}
+
+export interface DataHealthGetFailedInstancesResponse extends PaginatedResponse {
+    /**
+     * A collection of failed instances.
+     */
+    failedInstances: DataHealthFailedInstanceEntry[];
+}
+
+export interface DataHealthFailedInstanceEntry {
+    /**
+     * The timestamp of the failed instance.
+     */
+    timestamp: string;
+    /**
+     * The ID of the event.
+     */
+    eventId: string;
+    /**
+     * The ID of the visit.
+     */
+    visitId: string;
+    /**
+     * The client ID of the event.
+     */
+    clientId: string;
+    /**
+     * The scope of the datahealth rule.
+     */
+    scope: DataHealthRuleScope;
+}
+
+/**
+ * The scope of a datahealth rule.
+ */
+type DataHealthRuleScope = 'EVENT' | 'VISIT';
diff --git a/src/resources/UsageAnalytics/Read/DataHealth/tests/DataHealth.spec.ts b/src/resources/UsageAnalytics/Read/DataHealth/tests/DataHealth.spec.ts
index 9385f0985..cd3360ad2 100644
--- a/src/resources/UsageAnalytics/Read/DataHealth/tests/DataHealth.spec.ts
+++ b/src/resources/UsageAnalytics/Read/DataHealth/tests/DataHealth.spec.ts
@@ -2,6 +2,7 @@ import API from '../../../../../APICore.js';
 import DataHealth from '../DataHealth.js';
 import {
     DataHealthGetEventPayloadParams,
+    DataHealthGetFailedInstancesParams,
     DataHealthGetGroupDetailParams,
     DataHealthGetGroupListingParams,
     DataHealthGetOverviewParams,
@@ -125,4 +126,19 @@ describe('DataHealth', () => {
             );
         });
     });
+
+    describe('getFailedInstances', () => {
+        it('should make a GET call to the data health get failed instances url', async () => {
+            const datahealthGetFailedInstancesParams: DataHealthGetFailedInstancesParams = {
+                ...baseParams,
+                criterionId: 'criterion',
+                group: 'group',
+            };
+            await dataHealth.getFailedInstances(datahealthGetFailedInstancesParams);
+            expect(api.get).toHaveBeenCalledTimes(1);
+            expect(api.get).toHaveBeenCalledWith(
+                `${DataHealth.baseUrl}/criteria/failedInstances?org=someOrgId&from=1986-04-26T01%3A23%3A58.000Z&to=1986-04-27T02%3A32%3A15.000Z&criterionId=criterion&group=group`,
+            );
+        });
+    });
 });