diff --git a/packages/core/src/controllers/events.ts b/packages/core/src/controllers/events.ts
index fd073c832..a16ccb193 100644
--- a/packages/core/src/controllers/events.ts
+++ b/packages/core/src/controllers/events.ts
@@ -1,6 +1,6 @@
 import { generateChildLogger, Logger } from "@walletconnect/logger";
 import { ICore, IEventClient, EventClientTypes } from "@walletconnect/types";
-import { uuidv4 } from "@walletconnect/utils";
+import { formatUA, isTestRun, uuidv4 } from "@walletconnect/utils";
 import {
   CORE_STORAGE_PREFIX,
   EVENTS_CLIENT_API_URL,
@@ -16,12 +16,12 @@ export class EventClient extends IEventClient {
   public readonly context = EVENTS_STORAGE_CONTEXT;
   private readonly storagePrefix = CORE_STORAGE_PREFIX;
   private readonly storageVersion = EVENTS_STORAGE_VERSION;
-
   private events = new Map<string, EventClientTypes.Event>();
   private shouldPersist = false;
   constructor(public core: ICore, public logger: Logger, telemetryEnabled = true) {
     super(core, logger, telemetryEnabled);
     this.logger = generateChildLogger(logger, this.context);
+    this.telemetryEnabled = telemetryEnabled;
     if (telemetryEnabled) {
       this.restore().then(async () => {
         await this.submit();
@@ -39,6 +39,31 @@ export class EventClient extends IEventClient {
     );
   }
 
+  public init: IEventClient["init"] = async () => {
+    if (isTestRun()) return;
+    try {
+      const initEvent = {
+        eventId: uuidv4(),
+        timestamp: Date.now(),
+        props: {
+          event: "INIT",
+          type: "",
+          properties: {
+            client_id: await this.core.crypto.getClientId(),
+            user_agent: formatUA(
+              this.core.relayer.protocol,
+              this.core.relayer.version,
+              RELAYER_SDK_VERSION,
+            ),
+          },
+        },
+      };
+      await this.sendEvent([initEvent] as unknown as EventClientTypes.Event[]);
+    } catch (error) {
+      this.logger.warn(error);
+    }
+  };
+
   public createEvent: IEventClient["createEvent"] = (params) => {
     const {
       event = "ERROR",
@@ -172,13 +197,7 @@ export class EventClient extends IEventClient {
     if (eventsToSend.length === 0) return;
 
     try {
-      const response = await fetch(
-        `${EVENTS_CLIENT_API_URL}?projectId=${this.core.projectId}&st=events_sdk&sv=js-${RELAYER_SDK_VERSION}`,
-        {
-          method: "POST",
-          body: JSON.stringify(eventsToSend),
-        },
-      );
+      const response = await this.sendEvent(eventsToSend);
       if (response.ok) {
         for (const event of eventsToSend) {
           this.events.delete(event.eventId);
@@ -189,4 +208,15 @@ export class EventClient extends IEventClient {
       this.logger.warn(error);
     }
   };
+
+  private sendEvent = async (events: EventClientTypes.Event[]) => {
+    const response = await fetch(
+      `${EVENTS_CLIENT_API_URL}?projectId=${this.core.projectId}&st=events_sdk&sv=js-${RELAYER_SDK_VERSION}`,
+      {
+        method: "POST",
+        body: JSON.stringify(events),
+      },
+    );
+    return response;
+  };
 }
diff --git a/packages/core/src/controllers/verify.ts b/packages/core/src/controllers/verify.ts
index e748be805..bcc7636e3 100644
--- a/packages/core/src/controllers/verify.ts
+++ b/packages/core/src/controllers/verify.ts
@@ -1,6 +1,6 @@
 import { generateChildLogger, getLoggerContext, Logger } from "@walletconnect/logger";
 import { ICore, IVerify } from "@walletconnect/types";
-import { isBrowser, isNode, P256KeyDataType, verifyP256Jwt } from "@walletconnect/utils";
+import { isBrowser, isTestRun, P256KeyDataType, verifyP256Jwt } from "@walletconnect/utils";
 import { FIVE_SECONDS, ONE_SECOND, toMiliseconds } from "@walletconnect/time";
 import { getDocument } from "@walletconnect/window-getters";
 import { decodeJWT } from "@walletconnect/relay-auth";
@@ -40,7 +40,7 @@ export class Verify extends IVerify {
     super(core, logger, store);
     this.logger = generateChildLogger(logger, this.name);
     this.abortController = new AbortController();
-    this.isDevEnv = isNode() && process.env.IS_VITEST;
+    this.isDevEnv = isTestRun();
     this.init();
   }
 
diff --git a/packages/core/src/core.ts b/packages/core/src/core.ts
index feca3dafe..b40394dbf 100644
--- a/packages/core/src/core.ts
+++ b/packages/core/src/core.ts
@@ -194,6 +194,7 @@ export class Core extends ICore {
       await this.relayer.init();
       await this.heartbeat.init();
       await this.pairing.init();
+      this.eventClient.init();
       this.linkModeSupportedApps = (await this.storage.getItem(WALLETCONNECT_LINK_MODE_APPS)) || [];
 
       this.initialized = true;
diff --git a/packages/core/test/events.spec.ts b/packages/core/test/events.spec.ts
index c5928f709..82666786e 100644
--- a/packages/core/test/events.spec.ts
+++ b/packages/core/test/events.spec.ts
@@ -193,4 +193,26 @@ describe("Events Client", () => {
     // @ts-expect-error - accessing private properties
     expect(core.eventClient.events.size).toBe(0);
   });
+
+  it("should send init event", async () => {
+    process.env.IS_VITEST = false as any;
+    const core = new Core({ ...TEST_CORE_OPTIONS, telemetryEnabled: false });
+    let initCalled = false;
+    // @ts-expect-error - accessing private properties
+    core.eventClient.sendEvent = async (payload: any) => {
+      initCalled = true;
+      expect(payload).toBeDefined();
+      expect(payload.length).to.eql(1);
+      expect(payload[0].props.event).to.eql("INIT");
+      expect(payload[0].props.properties.client_id).to.eql(await core.crypto.getClientId());
+    };
+    await core.start();
+    await new Promise((resolve) => setTimeout(resolve, 500));
+
+    if (!initCalled) {
+      throw new Error("init not called");
+    }
+
+    process.env.IS_VITEST = true as any;
+  });
 });
diff --git a/packages/sign-client/src/controllers/engine.ts b/packages/sign-client/src/controllers/engine.ts
index c9fce87b0..fc84f6072 100644
--- a/packages/sign-client/src/controllers/engine.ts
+++ b/packages/sign-client/src/controllers/engine.ts
@@ -96,6 +96,7 @@ import {
   BASE64URL,
   getSearchParamFromURL,
   isReactNative,
+  isTestRun,
 } from "@walletconnect/utils";
 import EventEmmiter from "events";
 import {
@@ -2914,10 +2915,7 @@ export class Engine extends IEngine {
   };
 
   private registerLinkModeListeners = async () => {
-    if (
-      (typeof process !== "undefined" && process.env.IS_VITEST) ||
-      (isReactNative() && this.client.metadata.redirect?.linkMode)
-    ) {
+    if (isTestRun() || (isReactNative() && this.client.metadata.redirect?.linkMode)) {
       const linking = (global as any)?.Linking;
       // global.Linking is set by react-native-compat
       if (typeof linking !== "undefined") {
diff --git a/packages/types/src/core/events.ts b/packages/types/src/core/events.ts
index 271c01153..d82699544 100644
--- a/packages/types/src/core/events.ts
+++ b/packages/types/src/core/events.ts
@@ -30,6 +30,8 @@ export abstract class IEventClient {
 
   constructor(public core: ICore, public logger: Logger, public telemetryEnabled: boolean) {}
 
+  public abstract init(): Promise<void>;
+
   public abstract createEvent(params: {
     event?: "ERROR";
     type?: string;
diff --git a/packages/types/src/core/relayer.ts b/packages/types/src/core/relayer.ts
index d74afa33a..d55051ba3 100644
--- a/packages/types/src/core/relayer.ts
+++ b/packages/types/src/core/relayer.ts
@@ -78,6 +78,10 @@ export interface RelayerClientMetadata {
 }
 
 export abstract class IRelayer extends IEvents {
+  public abstract protocol: string;
+
+  public abstract version: number;
+
   public abstract core: ICore;
 
   public abstract logger: Logger;
diff --git a/packages/utils/src/misc.ts b/packages/utils/src/misc.ts
index a352cbae1..77e0f96e8 100644
--- a/packages/utils/src/misc.ts
+++ b/packages/utils/src/misc.ts
@@ -441,3 +441,7 @@ export function uuidv4() {
     return v.toString(16);
   });
 }
+
+export function isTestRun() {
+  return typeof process !== "undefined" && process.env.IS_VITEST === "true";
+}