diff --git a/x-pack/plugins/security_solution/public/detections/components/host_isolation/index.tsx b/x-pack/plugins/security_solution/public/detections/components/host_isolation/index.tsx
index 2ca8416841497..42d53f97d478b 100644
--- a/x-pack/plugins/security_solution/public/detections/components/host_isolation/index.tsx
+++ b/x-pack/plugins/security_solution/public/detections/components/host_isolation/index.tsx
@@ -26,9 +26,9 @@ export const HostIsolationPanel = React.memo(
     cancelCallback: () => void;
     isolateAction: string;
   }) => {
-    const agentId = useMemo(() => {
-      const findAgentId = find({ category: 'agent', field: 'agent.id' }, details)?.values;
-      return findAgentId ? findAgentId[0] : '';
+    const endpointId = useMemo(() => {
+      const findEndpointId = find({ category: 'agent', field: 'agent.id' }, details)?.values;
+      return findEndpointId ? findEndpointId[0] : '';
     }, [details]);
 
     const hostName = useMemo(() => {
@@ -87,7 +87,7 @@ export const HostIsolationPanel = React.memo(
 
     return isolateAction === 'isolateHost' ? (
       <IsolateHost
-        agentId={agentId}
+        endpointId={endpointId}
         hostName={hostName}
         cases={associatedCases}
         caseIds={caseIds}
@@ -95,7 +95,7 @@ export const HostIsolationPanel = React.memo(
       />
     ) : (
       <UnisolateHost
-        agentId={agentId}
+        endpointId={endpointId}
         hostName={hostName}
         cases={associatedCases}
         caseIds={caseIds}
diff --git a/x-pack/plugins/security_solution/public/detections/components/host_isolation/isolate.tsx b/x-pack/plugins/security_solution/public/detections/components/host_isolation/isolate.tsx
index 63eb74d259e42..afc2951e26e1f 100644
--- a/x-pack/plugins/security_solution/public/detections/components/host_isolation/isolate.tsx
+++ b/x-pack/plugins/security_solution/public/detections/components/host_isolation/isolate.tsx
@@ -18,13 +18,13 @@ import {
 
 export const IsolateHost = React.memo(
   ({
-    agentId,
+    endpointId,
     hostName,
     cases,
     caseIds,
     cancelCallback,
   }: {
-    agentId: string;
+    endpointId: string;
     hostName: string;
     cases: ReactNode;
     caseIds: string[];
@@ -33,7 +33,7 @@ export const IsolateHost = React.memo(
     const [comment, setComment] = useState('');
     const [isIsolated, setIsIsolated] = useState(false);
 
-    const { loading, isolateHost } = useHostIsolation({ agentId, comment, caseIds });
+    const { loading, isolateHost } = useHostIsolation({ endpointId, comment, caseIds });
 
     const confirmHostIsolation = useCallback(async () => {
       const hostIsolated = await isolateHost();
diff --git a/x-pack/plugins/security_solution/public/detections/components/host_isolation/unisolate.tsx b/x-pack/plugins/security_solution/public/detections/components/host_isolation/unisolate.tsx
index e72a0d2de61bc..71f7cadda2f68 100644
--- a/x-pack/plugins/security_solution/public/detections/components/host_isolation/unisolate.tsx
+++ b/x-pack/plugins/security_solution/public/detections/components/host_isolation/unisolate.tsx
@@ -18,13 +18,13 @@ import { useHostUnisolation } from '../../containers/detection_engine/alerts/use
 
 export const UnisolateHost = React.memo(
   ({
-    agentId,
+    endpointId,
     hostName,
     cases,
     caseIds,
     cancelCallback,
   }: {
-    agentId: string;
+    endpointId: string;
     hostName: string;
     cases: ReactNode;
     caseIds: string[];
@@ -33,7 +33,7 @@ export const UnisolateHost = React.memo(
     const [comment, setComment] = useState('');
     const [isUnIsolated, setIsUnIsolated] = useState(false);
 
-    const { loading, unIsolateHost } = useHostUnisolation({ agentId, comment, caseIds });
+    const { loading, unIsolateHost } = useHostUnisolation({ endpointId, comment, caseIds });
 
     const confirmHostUnIsolation = useCallback(async () => {
       const hostIsolated = await unIsolateHost();
diff --git a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/api.test.ts b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/api.test.ts
index 0c3159e0719e6..b944cb640b719 100644
--- a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/api.test.ts
+++ b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/api.test.ts
@@ -178,19 +178,19 @@ describe('Detections Alerts API', () => {
 
     test('check parameter url', async () => {
       await createHostIsolation({
-        agentId: 'fd8a122b-4c54-4c05-b295-e5f8381fc59d',
+        endpointId: 'fd8a122b-4c54-4c05-b295-e5f8381fc59d',
         comment: 'commento',
         caseIds: ['88c04a90-b19c-11eb-b838-bf3c7840b969'],
       });
       expect(postMock).toHaveBeenCalledWith('/api/endpoint/isolate', {
         body:
-          '{"agent_ids":["fd8a122b-4c54-4c05-b295-e5f8381fc59d"],"comment":"commento","case_ids":["88c04a90-b19c-11eb-b838-bf3c7840b969"]}',
+          '{"endpoint_ids":["fd8a122b-4c54-4c05-b295-e5f8381fc59d"],"comment":"commento","case_ids":["88c04a90-b19c-11eb-b838-bf3c7840b969"]}',
       });
     });
 
     test('happy path', async () => {
       const hostIsolationResponse = await createHostIsolation({
-        agentId: 'fd8a122b-4c54-4c05-b295-e5f8381fc59d',
+        endpointId: 'fd8a122b-4c54-4c05-b295-e5f8381fc59d',
         comment: 'commento',
         caseIds: ['88c04a90-b19c-11eb-b838-bf3c7840b969'],
       });
diff --git a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/api.ts b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/api.ts
index 3baa6580b36fb..71eac547dcc8e 100644
--- a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/api.ts
+++ b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/api.ts
@@ -118,16 +118,16 @@ export const createSignalIndex = async ({ signal }: BasicSignals): Promise<Alert
  * @throws An error if response is not OK
  */
 export const createHostIsolation = async ({
-  agentId,
+  endpointId,
   comment = '',
   caseIds,
 }: {
-  agentId: string;
+  endpointId: string;
   comment?: string;
   caseIds?: string[];
 }): Promise<HostIsolationResponse> =>
   isolateHost({
-    agent_ids: [agentId],
+    endpoint_ids: [endpointId],
     comment,
     case_ids: caseIds,
   });
@@ -142,16 +142,16 @@ export const createHostIsolation = async ({
  * @throws An error if response is not OK
  */
 export const createHostUnIsolation = async ({
-  agentId,
+  endpointId,
   comment = '',
   caseIds,
 }: {
-  agentId: string;
+  endpointId: string;
   comment?: string;
   caseIds?: string[];
 }): Promise<HostIsolationResponse> =>
   unIsolateHost({
-    agent_ids: [agentId],
+    endpoint_ids: [endpointId],
     comment,
     case_ids: caseIds,
   });
diff --git a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_host_isolation.tsx b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_host_isolation.tsx
index ad3c6e91c03fe..12426e05ba528 100644
--- a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_host_isolation.tsx
+++ b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_host_isolation.tsx
@@ -16,13 +16,13 @@ interface HostIsolationStatus {
 }
 
 interface UseHostIsolationProps {
-  agentId: string;
+  endpointId: string;
   comment: string;
   caseIds?: string[];
 }
 
 export const useHostIsolation = ({
-  agentId,
+  endpointId,
   comment,
   caseIds,
 }: UseHostIsolationProps): HostIsolationStatus => {
@@ -32,7 +32,7 @@ export const useHostIsolation = ({
   const isolateHost = useCallback(async () => {
     try {
       setLoading(true);
-      const isolationStatus = await createHostIsolation({ agentId, comment, caseIds });
+      const isolationStatus = await createHostIsolation({ endpointId, comment, caseIds });
       setLoading(false);
       return isolationStatus.action ? true : false;
     } catch (error) {
@@ -40,6 +40,6 @@ export const useHostIsolation = ({
       addError(error.message, { title: HOST_ISOLATION_FAILURE });
       return false;
     }
-  }, [agentId, comment, caseIds, addError]);
+  }, [endpointId, comment, caseIds, addError]);
   return { loading, isolateHost };
 };
diff --git a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_host_unisolation.tsx b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_host_unisolation.tsx
index 1a0ecb0d15878..55119f7122e12 100644
--- a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_host_unisolation.tsx
+++ b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_host_unisolation.tsx
@@ -16,13 +16,13 @@ interface HostUnisolationStatus {
 }
 
 interface UseHostIsolationProps {
-  agentId: string;
+  endpointId: string;
   comment: string;
   caseIds?: string[];
 }
 
 export const useHostUnisolation = ({
-  agentId,
+  endpointId,
   comment,
   caseIds,
 }: UseHostIsolationProps): HostUnisolationStatus => {
@@ -32,7 +32,7 @@ export const useHostUnisolation = ({
   const unIsolateHost = useCallback(async () => {
     try {
       setLoading(true);
-      const isolationStatus = await createHostUnIsolation({ agentId, comment, caseIds });
+      const isolationStatus = await createHostUnIsolation({ endpointId, comment, caseIds });
       setLoading(false);
       return isolationStatus.action ? true : false;
     } catch (error) {
@@ -40,6 +40,6 @@ export const useHostUnisolation = ({
       addError(error.message, { title: HOST_ISOLATION_FAILURE });
       return false;
     }
-  }, [agentId, comment, caseIds, addError]);
+  }, [endpointId, comment, caseIds, addError]);
   return { loading, unIsolateHost };
 };