diff --git a/src/components/Errors/GlobalErrorsList/index.tsx b/src/components/Errors/GlobalErrorsList/index.tsx
index 946f5fa1d..65b1df20a 100644
--- a/src/components/Errors/GlobalErrorsList/index.tsx
+++ b/src/components/Errors/GlobalErrorsList/index.tsx
@@ -1,4 +1,5 @@
 import { useEffect, useMemo, useRef, useState } from "react";
+import { dispatcher } from "../../../dispatcher";
 import { getFeatureFlagValue } from "../../../featureFlags";
 import {
   DataFetcherConfiguration,
@@ -38,7 +39,7 @@ import {
 export const GlobalErrorsList = () => {
   const { goTo } = useHistory();
   const [isSortingMenuOpen, setIsSortingMenuOpen] = useState(false);
-  const listContainerRef = useRef<HTMLDivElement>(null);
+  const listContainerRef = useRef<HTMLDivElement | null>(null);
 
   const { environment, backendInfo } = useConfigSelector();
 
@@ -129,11 +130,29 @@ export const GlobalErrorsList = () => {
     ]
   );
 
-  const { data } = useFetchData<
+  const { data, getData } = useFetchData<
     GetGlobalErrorsDataPayload,
     SetGlobalErrorsDataPayload
   >(dataFetcherConfiguration, payload);
 
+  // Refresh data after pin/unpin actions
+  useEffect(() => {
+    dispatcher.addActionListener(actions.SET_PIN_ERROR_RESULT, getData);
+    dispatcher.addActionListener(actions.SET_UNPIN_ERROR_RESULT, getData);
+
+    return () => {
+      dispatcher.removeActionListener(actions.SET_PIN_ERROR_RESULT, getData);
+      dispatcher.removeActionListener(actions.SET_UNPIN_ERROR_RESULT, getData);
+    };
+  }, [getData]);
+
+  // Cleanup errors store slice on unmount
+  useMount(() => {
+    return () => {
+      resetGlobalErrors();
+    };
+  });
+
   // Set data to store on fetch
   useEffect(() => {
     if (data) {
@@ -167,13 +186,6 @@ export const GlobalErrorsList = () => {
     }
   }, [environmentId, search, sorting, page]);
 
-  // Cleanup errors store slice on unmount
-  useMount(() => {
-    return () => {
-      resetGlobalErrors();
-    };
-  });
-
   const handleErrorSourceLinkClick = (errorId: string) => {
     goTo(errorId);
   };
diff --git a/src/components/Errors/GlobalErrorsList/types.ts b/src/components/Errors/GlobalErrorsList/types.ts
index 8f7e4abe4..4bf9c3d83 100644
--- a/src/components/Errors/GlobalErrorsList/types.ts
+++ b/src/components/Errors/GlobalErrorsList/types.ts
@@ -41,6 +41,7 @@ export interface GlobalErrorData {
       Unhandled: number;
     };
   };
+  isPinned?: boolean;
 }
 
 export interface SetGlobalErrorsDataPayload {
diff --git a/src/components/Errors/NewErrorCard/index.tsx b/src/components/Errors/NewErrorCard/index.tsx
index 115f0197b..a9ab7413e 100644
--- a/src/components/Errors/NewErrorCard/index.tsx
+++ b/src/components/Errors/NewErrorCard/index.tsx
@@ -11,14 +11,16 @@ import {
 } from "../../common/AffectedEndpointsSelector";
 import { Option } from "../../common/AffectedEndpointsSelector/types";
 import { HistogramIcon } from "../../common/icons/16px/HistogramIcon";
+import { PinIcon } from "../../common/icons/16px/PinIcon";
 import { NewIconButton } from "../../common/v3/NewIconButton";
 import { Tooltip } from "../../common/v3/Tooltip";
+import { actions } from "../actions";
 import { TimestampKeyValue } from "../ErrorCard/TimestampKeyValue";
 import { getTagType, HIGH_SEVERITY_SCORE_THRESHOLD } from "../Score";
 import { trackingEvents } from "../tracking";
 import { OccurrenceChart } from "./OccurrenceChart";
 import * as s from "./styles";
-import { NewErrorCardProps } from "./types";
+import { NewErrorCardProps, PinErrorPayload, UnpinErrorPayload } from "./types";
 
 export const getStatusString = (status: string) =>
   status.toLowerCase().startsWith("recent") ? "Recent" : status;
@@ -29,13 +31,18 @@ export const NewErrorCard = ({
 }: NewErrorCardProps) => {
   const [isHistogramVisible, setIsHistogramVisible] = useState(false);
   const chartContainerRef = useRef<HTMLDivElement>(null);
-  const { backendInfo } = useConfigSelector();
+  const { environment, backendInfo } = useConfigSelector();
 
   const isOccurrenceChartEnabled = getFeatureFlagValue(
     backendInfo,
     FeatureFlag.IS_ERROR_OCCURRENCE_CHART_ENABLED
   );
 
+  const isPinEnabled = getFeatureFlagValue(
+    backendInfo,
+    FeatureFlag.IS_GLOBAL_ERROR_PIN_ENABLED
+  );
+
   const {
     id,
     affectedEndpoints,
@@ -112,12 +119,69 @@ export const NewErrorCard = ({
     setIsHistogramVisible(!isHistogramVisible);
   };
 
+  const handlePinUnpinButtonClick = () => {
+    const value = !data.isPinned;
+    sendUserActionTrackingEvent(
+      trackingEvents.ERROR_CARD_PIN_UNPIN_BUTTON_CLICKED,
+      {
+        value
+      }
+    );
+
+    if (!environment) {
+      return;
+    }
+
+    if (value) {
+      window.sendMessageToDigma<PinErrorPayload>({
+        action: actions.PIN_ERROR,
+        payload: {
+          id,
+          environment: environment.id
+        }
+      });
+    } else {
+      window.sendMessageToDigma<UnpinErrorPayload>({
+        action: actions.UNPIN_ERROR,
+        payload: {
+          id,
+          environment: environment.id
+        }
+      });
+    }
+  };
+
   const isCritical = score.score > HIGH_SEVERITY_SCORE_THRESHOLD;
 
   const selectorValue = selectedEndpoint
     ? getEndpointKey(selectedEndpoint)
     : undefined;
 
+  const toolbarActions = [
+    ...(isPinEnabled
+      ? [
+          <NewIconButton
+            key={"pin-unpin"}
+            isHighlighted={data.isPinned}
+            buttonType={"secondaryBorderless"}
+            icon={PinIcon}
+            onClick={handlePinUnpinButtonClick}
+          />
+        ]
+      : []),
+    ...(isOccurrenceChartEnabled && selectedEndpoint
+      ? [
+          <NewIconButton
+            key={"toggle-occurrence-chart"}
+            isHighlighted={isHistogramVisible}
+            buttonType={"secondaryBorderless"}
+            icon={HistogramIcon}
+            onClick={handleHistogramButtonClick}
+          />
+        ]
+      : [])
+  ];
+
   return (
     <s.Container $isCritical={isCritical}>
       <s.Header>
@@ -186,16 +250,9 @@ export const NewErrorCard = ({
               />
             </s.OccurrenceChartContainer>
           </CSSTransition>
-          <s.Footer>
-            <NewIconButton
-              isHighlighted={isHistogramVisible}
-              buttonType={"secondaryBorderless"}
-              icon={HistogramIcon}
-              onClick={handleHistogramButtonClick}
-            />
-          </s.Footer>
         </>
       )}
+      {toolbarActions.length > 0 && <s.Footer>{toolbarActions}</s.Footer>}
     </s.Container>
   );
 };
diff --git a/src/components/Errors/NewErrorCard/types.ts b/src/components/Errors/NewErrorCard/types.ts
index b26c49966..957a535e7 100644
--- a/src/components/Errors/NewErrorCard/types.ts
+++ b/src/components/Errors/NewErrorCard/types.ts
@@ -14,3 +14,13 @@ export interface OccurrenceChartContainerProps {
   $transitionDuration: number;
   $transitionClassName: string;
 }
+
+export interface PinErrorPayload {
+  id: string;
+  environment: string;
+}
+
+export interface UnpinErrorPayload {
+  id: string;
+  environment: string;
+}
diff --git a/src/components/Errors/actions.ts b/src/components/Errors/actions.ts
index bbe717a65..ea8f49364 100644
--- a/src/components/Errors/actions.ts
+++ b/src/components/Errors/actions.ts
@@ -17,5 +17,9 @@ export const actions = addPrefix(ACTION_PREFIX, {
   GET_GLOBAL_ERRORS_FILTERS_DATA: "GET_GLOBAL_ERRORS_FILTERS_DATA",
   SET_GLOBAL_ERRORS_FILTERS_DATA: "SET_GLOBAL_ERRORS_FILTERS_DATA",
   GET_ERROR_TIME_SERIES_DATA: "GET_ERROR_TIME_SERIES_DATA",
-  SET_ERROR_TIME_SERIES_DATA: "SET_ERROR_TIME_SERIES_DATA"
+  SET_ERROR_TIME_SERIES_DATA: "SET_ERROR_TIME_SERIES_DATA",
+  PIN_ERROR: "PIN_ERROR",
+  SET_PIN_ERROR_RESULT: "SET_PIN_ERROR_RESULT",
+  UNPIN_ERROR: "UNPIN_ERROR",
+  SET_UNPIN_ERROR_RESULT: "SET_UNPIN_ERROR_RESULT"
 });
diff --git a/src/components/Errors/tracking.ts b/src/components/Errors/tracking.ts
index 76676bced..69521eeae 100644
--- a/src/components/Errors/tracking.ts
+++ b/src/components/Errors/tracking.ts
@@ -39,7 +39,8 @@ export const trackingEvents = addPrefix(
       "error card selected affected endpoint changed",
     ERROR_CARD_AFFECTED_ENDPOINT_LINK_CLICKED:
       "error card affected endpoint link clicked",
-    ERROR_CARD_HISTOGRAM_BUTTON_CLICKED: "error card histogram button clicked"
+    ERROR_CARD_HISTOGRAM_BUTTON_CLICKED: "error card histogram button clicked",
+    ERROR_CARD_PIN_UNPIN_BUTTON_CLICKED: "error card pin unpin button clicked"
   },
   " "
 );
diff --git a/src/featureFlags.ts b/src/featureFlags.ts
index b034a2490..423a44cf4 100644
--- a/src/featureFlags.ts
+++ b/src/featureFlags.ts
@@ -24,7 +24,8 @@ export const featureFlagMinBackendVersions: Record<FeatureFlag, string> = {
   [FeatureFlag.ARE_GLOBAL_ERRORS_FILTERS_ENABLED]: "0.3.140-alpha.2",
   [FeatureFlag.IS_ERROR_OCCURRENCE_CHART_ENABLED]: "0.3.141-alpha.3",
   [FeatureFlag.ARE_GLOBAL_ERRORS_CRITICALITY_AND_UNHANDLED_FILTERS_ENABLED]:
-    "0.3.145"
+    "0.3.145",
+  [FeatureFlag.IS_GLOBAL_ERROR_PIN_ENABLED]: "0.3.147" // TODO: Verify this value after release
 };
 
 export const getFeatureFlagValue = (
diff --git a/src/types.ts b/src/types.ts
index 02ac34faa..3cfc5239e 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -25,7 +25,8 @@ export enum FeatureFlag {
   ARE_GLOBAL_ERRORS_ENABLED,
   ARE_GLOBAL_ERRORS_FILTERS_ENABLED,
   IS_ERROR_OCCURRENCE_CHART_ENABLED,
-  ARE_GLOBAL_ERRORS_CRITICALITY_AND_UNHANDLED_FILTERS_ENABLED
+  ARE_GLOBAL_ERRORS_CRITICALITY_AND_UNHANDLED_FILTERS_ENABLED,
+  IS_GLOBAL_ERROR_PIN_ENABLED
 }
 
 export enum InsightType {