diff --git a/.eslintignore b/.eslintignore
index ce54730f4b..b1bbed4416 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -21,3 +21,8 @@ src/v0/destinations/personalize/scripts/
 test/integrations/destinations/testTypes.d.ts
 *.config*.js
 scripts/skipPrepareScript.js
+*.yaml
+*.yml
+.eslintignore
+.prettierignore
+*.json
\ No newline at end of file
diff --git a/.eslintrc.json b/.eslintrc.json
index 556470697d..144b90e348 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -19,7 +19,8 @@
   "parserOptions": {
     "ecmaVersion": 12,
     "sourceType": "module",
-    "project": "./tsconfig.json"
+    "project": "./tsconfig.json",
+    "extraFileExtensions": [".yaml"]
   },
   "rules": {
     "unicorn/filename-case": [
diff --git a/.prettierignore b/.prettierignore
index 99747b29bb..ac5f1fc409 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -8,3 +8,5 @@ test/**/*.js
 src/util/lodash-es-core.js
 src/util/url-search-params.min.js
 dist
+.eslintignore
+.prettierignore
diff --git a/src/cdk/v2/destinations/smartly/config.js b/src/cdk/v2/destinations/smartly/config.js
new file mode 100644
index 0000000000..5083fde5fe
--- /dev/null
+++ b/src/cdk/v2/destinations/smartly/config.js
@@ -0,0 +1,21 @@
+const { getMappingConfig } = require('../../../../v0/util');
+
+const ConfigCategories = {
+  TRACK: {
+    type: 'track',
+    name: 'trackMapping',
+  },
+};
+
+const mappingConfig = getMappingConfig(ConfigCategories, __dirname);
+const singleEventEndpoint = 'https://s2s.smartly.io/events';
+const batchEndpoint = 'https://s2s.smartly.io/events/batch';
+
+module.exports = {
+  ConfigCategories,
+  mappingConfig,
+  singleEventEndpoint,
+  batchEndpoint,
+  TRACK_CONFIG: mappingConfig[ConfigCategories.TRACK.name],
+  MAX_BATCH_SIZE: 1000,
+};
diff --git a/src/cdk/v2/destinations/smartly/data/trackMapping.json b/src/cdk/v2/destinations/smartly/data/trackMapping.json
new file mode 100644
index 0000000000..55ba437f12
--- /dev/null
+++ b/src/cdk/v2/destinations/smartly/data/trackMapping.json
@@ -0,0 +1,76 @@
+[
+  {
+    "destKey": "value",
+    "sourceKeys": [
+      "properties.total",
+      "properties.value",
+      "properties.revenue",
+      {
+        "operation": "multiplication",
+        "args": [
+          {
+            "sourceKeys": "properties.price"
+          },
+          {
+            "sourceKeys": "properties.quantity",
+            "default": 1
+          }
+        ]
+      }
+    ],
+    "metadata": {
+      "type": "toNumber"
+    },
+    "required": false
+  },
+  {
+    "sourceKeys": ["properties.conversions", "properties.products.length"],
+    "required": false,
+    "metadata": {
+      "defaultValue": "1"
+    },
+    "destKey": "conversions"
+  },
+  {
+    "sourceKeys": ["properties.adUnitId", "properties.ad_unit_id"],
+    "required": true,
+    "destKey": "ad_unit_id",
+    "metadata": {
+      "type": "toString"
+    }
+  },
+  {
+    "sourceKeys": ["properties.platform"],
+    "required": true,
+    "destKey": "platform"
+  },
+  {
+    "sourceKeys": ["properties.adInteractionTime", "properties.ad_interaction_time"],
+    "required": true,
+    "metadata": {
+      "type": "secondTimestamp"
+    },
+    "destKey": "ad_interaction_time"
+  },
+  {
+    "sourceKeys": ["properties.installTime"],
+    "required": false,
+    "metadata": {
+      "type": "secondTimestamp"
+    },
+    "destKey": "installTime"
+  },
+  {
+    "sourceKeys": ["originalTimestamp", "timestamp"],
+    "required": false,
+    "metadata": {
+      "type": "secondTimestamp"
+    },
+    "destKey": "event_time"
+  },
+  {
+    "sourceKeys": ["properties.currency"],
+    "required": false,
+    "destKey": "value_currency"
+  }
+]
diff --git a/src/cdk/v2/destinations/smartly/procWorkflow.yaml b/src/cdk/v2/destinations/smartly/procWorkflow.yaml
new file mode 100644
index 0000000000..b69df0dd09
--- /dev/null
+++ b/src/cdk/v2/destinations/smartly/procWorkflow.yaml
@@ -0,0 +1,31 @@
+bindings:
+  - name: EventType
+    path: ../../../../constants
+  - path: ../../bindings/jsontemplate
+  - name: defaultRequestConfig
+    path: ../../../../v0/util
+  - name: removeUndefinedAndNullValues
+    path: ../../../../v0/util
+  - name: constructPayload
+    path: ../../../../v0/util
+  - path: ./config
+  - path: ./utils
+steps:
+  - name: messageType
+    template: |
+      .message.type.toLowerCase();
+  - name: validateInput
+    template: |
+      let messageType = $.outputs.messageType;
+      $.assert(messageType, "message Type is not present. Aborting");
+      $.assert(messageType in {{$.EventType.([.TRACK])}}, "message type " + messageType + " is not supported");
+      $.assertConfig(.destination.Config.apiToken, "API Token is not present. Aborting");
+  - name: preparePayload
+    template: |
+      const payload = $.removeUndefinedAndNullValues($.constructPayload(.message, $.TRACK_CONFIG));
+      $.verifyAdInteractionTime(payload.ad_interaction_time);
+      $.context.payloadList = $.getPayloads(.message.event, .destination.Config, payload)
+  - name: buildResponse
+    template: |
+      const response = $.buildResponseList($.context.payloadList)
+      response
diff --git a/src/cdk/v2/destinations/smartly/rtWorkflow.yaml b/src/cdk/v2/destinations/smartly/rtWorkflow.yaml
new file mode 100644
index 0000000000..4d3afdb6d0
--- /dev/null
+++ b/src/cdk/v2/destinations/smartly/rtWorkflow.yaml
@@ -0,0 +1,35 @@
+bindings:
+  - path: ./config
+  - name: handleRtTfSingleEventError
+    path: ../../../../v0/util/index
+  - path: ./utils
+steps:
+  - name: validateInput
+    template: |
+      $.assert(Array.isArray(^) && ^.length > 0, "Invalid event array")
+
+  - name: transform
+    externalWorkflow:
+      path: ./procWorkflow.yaml
+    loopOverInput: true
+
+  - name: successfulEvents
+    template: |
+      $.outputs.transform#idx.output.({
+        "output": .body.JSON,
+        "destination": ^[idx].destination,
+        "metadata": ^[idx].metadata
+      })[]
+  - name: failedEvents
+    template: |
+      $.outputs.transform#idx.error.(
+        $.handleRtTfSingleEventError(^[idx], .originalError ?? ., {})
+      )[]
+  - name: batchSuccessfulEvents
+    description: Batches the successfulEvents
+    template: |
+      $.batchResponseBuilder($.outputs.successfulEvents);
+
+  - name: finalPayload
+    template: |
+      [...$.outputs.failedEvents, ...$.outputs.batchSuccessfulEvents]
diff --git a/src/cdk/v2/destinations/smartly/utils.js b/src/cdk/v2/destinations/smartly/utils.js
new file mode 100644
index 0000000000..7d53ed0d27
--- /dev/null
+++ b/src/cdk/v2/destinations/smartly/utils.js
@@ -0,0 +1,108 @@
+const { BatchUtils } = require('@rudderstack/workflow-engine');
+const { InstrumentationError } = require('@rudderstack/integrations-lib');
+const moment = require('moment');
+const config = require('./config');
+const {
+  getHashFromArrayWithDuplicate,
+  defaultRequestConfig,
+  isDefinedAndNotNull,
+} = require('../../../../v0/util');
+
+// docs reference : https://support.smartly.io/hc/en-us/articles/4406049685788-S2S-integration-API-description#01H8HBXZF6WSKSYBW1C6NY8A88
+
+/**
+ * This function generates an array of payload objects, each with the event property set
+ * to different values associated with the given event name according to eventsMapping
+ * @param {*} event
+ * @param {*} eventsMapping
+ * @param {*} payload
+ * @returns
+ */
+const getPayloads = (event, Config, payload) => {
+  if (!isDefinedAndNotNull(event) || typeof event !== 'string') {
+    throw new InstrumentationError('Event is not defined or is not String');
+  }
+  const eventsMap = getHashFromArrayWithDuplicate(Config.eventsMapping);
+  // eventsMap = hashmap {"prop1":["val1","val2"],"prop2":["val2"]}
+  const eventList = Array.isArray(eventsMap[event.toLowerCase()])
+    ? eventsMap[event.toLowerCase()]
+    : Array.from(eventsMap[event.toLowerCase()] || [event]);
+
+  const payloadLists = eventList.map((ev) => ({ ...payload, event_name: ev }));
+  return payloadLists;
+};
+
+//  ad_interaction_time must be within one year in the future and three years in the past from the current date
+// Example : "1735680000"
+const verifyAdInteractionTime = (adInteractionTime) => {
+  if (isDefinedAndNotNull(adInteractionTime)) {
+    const now = moment();
+    const threeYearAgo = now.clone().subtract(3, 'year');
+    const oneYearFromNow = now.clone().add(1, 'year');
+    const inputMoment = moment(adInteractionTime * 1000); // Convert to milliseconds
+    if (!inputMoment.isAfter(threeYearAgo) || !inputMoment.isBefore(oneYearFromNow)) {
+      throw new InstrumentationError(
+        'ad_interaction_time must be within one year in the future and three years in the past.',
+      );
+    }
+  }
+};
+
+const buildResponseList = (payloadList) =>
+  payloadList.map((payload) => {
+    const response = defaultRequestConfig();
+    response.body.JSON = payload;
+    response.endpoint = config.singleEventEndpoint;
+    response.method = 'POST';
+    return response;
+  });
+
+const batchBuilder = (batch, destination) => ({
+  batchedRequest: {
+    body: {
+      JSON: { events: batch.map((event) => event.output) },
+      JSON_ARRAY: {},
+      XML: {},
+      FORM: {},
+    },
+    version: '1',
+    type: 'REST',
+    method: 'POST',
+    endpoint: config.batchEndpoint,
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: `Bearer ${destination.Config.apiToken}`,
+    },
+    params: {},
+    files: {},
+  },
+  metadata: batch
+    .map((event) => event.metadata)
+    .filter((metadata, index, self) => self.findIndex((m) => m.jobId === metadata.jobId) === index), // handling jobId duplication for multiplexed events
+  batched: true,
+  statusCode: 200,
+  destination: batch[0].destination,
+});
+
+/**
+ * This fucntions make chunk of successful events based on MAX_BATCH_SIZE
+ * and then build the response for each chunk to be returned as object of an array
+ * @param {*} events
+ * @returns
+ */
+const batchResponseBuilder = (events) => {
+  if (events.length === 0) {
+    return [];
+  }
+  const { destination } = events[0];
+  const batches = BatchUtils.chunkArrayBySizeAndLength(events, { maxItems: config.MAX_BATCH_SIZE });
+
+  const response = [];
+  batches.items.forEach((batch) => {
+    const batchedResponse = batchBuilder(batch, destination);
+    response.push(batchedResponse);
+  });
+  return response;
+};
+
+module.exports = { batchResponseBuilder, getPayloads, buildResponseList, verifyAdInteractionTime };
diff --git a/src/cdk/v2/destinations/smartly/utils.test.js b/src/cdk/v2/destinations/smartly/utils.test.js
new file mode 100644
index 0000000000..0ad73f5369
--- /dev/null
+++ b/src/cdk/v2/destinations/smartly/utils.test.js
@@ -0,0 +1,59 @@
+const moment = require('moment');
+const { verifyAdInteractionTime } = require('./utils');
+
+describe('verifyAdInteractionTime', () => {
+  it('should pass when adInteractionTime is 2 years in the past (UNIX timestamp)', () => {
+    // 2 years ago from now
+    const adInteractionTime = moment().subtract(2, 'years').unix();
+    expect(() => verifyAdInteractionTime(adInteractionTime)).not.toThrow();
+  });
+
+  it('should pass when adInteractionTime is 10 months in the future (UNIX timestamp)', () => {
+    // 10 months in the future from now
+    const adInteractionTime = moment().add(10, 'months').unix();
+    expect(() => verifyAdInteractionTime(adInteractionTime)).not.toThrow();
+  });
+
+  it('should fail when adInteractionTime is 4 years in the past (UNIX timestamp)', () => {
+    // 4 years ago from now
+    const adInteractionTime = moment().subtract(4, 'years').unix();
+    expect(() => verifyAdInteractionTime(adInteractionTime)).toThrow(
+      'ad_interaction_time must be within one year in the future and three years in the past.',
+    );
+  });
+
+  it('should fail when adInteractionTime is 2 years in the future (UNIX timestamp)', () => {
+    // 2 years in the future from now
+    const adInteractionTime = moment().add(2, 'years').unix();
+    expect(() => verifyAdInteractionTime(adInteractionTime)).toThrow(
+      'ad_interaction_time must be within one year in the future and three years in the past.',
+    );
+  });
+
+  it('should pass when adInteractionTime is exactly 1 year in the future (UTC date string)', () => {
+    // Exactly 1 year in the future from now
+    const adInteractionTime = moment.utc().add(1, 'year').toISOString();
+    expect(() => verifyAdInteractionTime(adInteractionTime)).toThrow();
+  });
+
+  it('should fail when adInteractionTime is 4 years in the past (UTC date string)', () => {
+    // 4 years ago from now
+    const adInteractionTime = moment.utc().subtract(4, 'years').toISOString();
+    expect(() => verifyAdInteractionTime(adInteractionTime)).toThrow(
+      'ad_interaction_time must be within one year in the future and three years in the past.',
+    );
+  });
+
+  it('should fail when adInteractionTime is 2 years in the future (UTC date string)', () => {
+    // 2 years in the future from now
+    const adInteractionTime = moment.utc().add(2, 'years').toISOString();
+    expect(() => verifyAdInteractionTime(adInteractionTime)).toThrow(
+      'ad_interaction_time must be within one year in the future and three years in the past.',
+    );
+  });
+
+  it('should not throw an error if adInteractionTime is null or undefined', () => {
+    expect(() => verifyAdInteractionTime(null)).not.toThrow();
+    expect(() => verifyAdInteractionTime(undefined)).not.toThrow();
+  });
+});
diff --git a/src/features.json b/src/features.json
index 1a69a58307..a0261683a8 100644
--- a/src/features.json
+++ b/src/features.json
@@ -77,7 +77,8 @@
     "CLICKSEND": true,
     "ZOHO": true,
     "CORDIAL": true,
-    "BLOOMREACH_CATALOG": true
+    "BLOOMREACH_CATALOG": true,
+    "SMARTLY": true
   },
   "regulations": [
     "BRAZE",
diff --git a/test/integrations/destinations/smartly/commonConfig.ts b/test/integrations/destinations/smartly/commonConfig.ts
new file mode 100644
index 0000000000..f5b0a6f4d4
--- /dev/null
+++ b/test/integrations/destinations/smartly/commonConfig.ts
@@ -0,0 +1,40 @@
+export const destination = {
+  ID: 'random_id',
+  Name: 'smartly',
+  DestinationDefinition: {
+    Config: {
+      cdkV2Enabled: true,
+    },
+  },
+  Config: {
+    apiToken: 'testAuthToken',
+    eventsMapping: [
+      {
+        from: 'product list viewed',
+        to: 'event1',
+      },
+      {
+        from: 'product list viewed',
+        to: 'event2',
+      },
+    ],
+  },
+};
+
+export const routerInstrumentationErrorStatTags = {
+  destType: 'SMARTLY',
+  errorCategory: 'dataValidation',
+  errorType: 'instrumentation',
+  feature: 'router',
+  implementation: 'cdkV2',
+  module: 'destination',
+};
+export const processInstrumentationErrorStatTags = {
+  destType: 'SMARTLY',
+  errorCategory: 'dataValidation',
+  errorType: 'instrumentation',
+  feature: 'processor',
+  implementation: 'cdkV2',
+  module: 'destination',
+  destinationId: 'dummyDestId',
+};
diff --git a/test/integrations/destinations/smartly/mocks.ts b/test/integrations/destinations/smartly/mocks.ts
new file mode 100644
index 0000000000..78773d8853
--- /dev/null
+++ b/test/integrations/destinations/smartly/mocks.ts
@@ -0,0 +1,6 @@
+import config from '../../../../src/cdk/v2/destinations/smartly/config';
+
+export const defaultMockFns = () => {
+  jest.useFakeTimers().setSystemTime(new Date('2024-02-01'));
+  jest.replaceProperty(config, 'MAX_BATCH_SIZE', 2);
+};
diff --git a/test/integrations/destinations/smartly/processor/data.ts b/test/integrations/destinations/smartly/processor/data.ts
new file mode 100644
index 0000000000..a94f6b220f
--- /dev/null
+++ b/test/integrations/destinations/smartly/processor/data.ts
@@ -0,0 +1,9 @@
+import { trackTestData } from './track';
+import { validationFailures } from './validation';
+
+export const mockFns = (_) => {
+  // @ts-ignore
+  jest.useFakeTimers().setSystemTime(new Date('2024-02-01'));
+};
+
+export const data = [...trackTestData, ...validationFailures].map((d) => ({ ...d, mockFns }));
diff --git a/test/integrations/destinations/smartly/processor/track.ts b/test/integrations/destinations/smartly/processor/track.ts
new file mode 100644
index 0000000000..944327fce3
--- /dev/null
+++ b/test/integrations/destinations/smartly/processor/track.ts
@@ -0,0 +1,71 @@
+import { destination } from '../commonConfig';
+
+export const trackTestData = [
+  {
+    name: 'smartly',
+    description: 'Test 0',
+    feature: 'processor',
+    module: 'destination',
+    version: 'v0',
+    input: {
+      request: {
+        body: [
+          {
+            destination,
+            message: {
+              event: 'Add to cart',
+              properties: {
+                platform: 'meta',
+                ad_unit_id: '228287',
+                ad_interaction_time: 1735680000,
+                email: 'eventIdn01@sample.com',
+              },
+              type: 'track',
+              userId: 'eventIdn01',
+            },
+            metadata: {
+              destinationId: 'dummyDestId',
+              jobId: '1',
+            },
+          },
+        ],
+      },
+    },
+    output: {
+      response: {
+        status: 200,
+        body: [
+          {
+            metadata: {
+              destinationId: 'dummyDestId',
+              jobId: '1',
+            },
+            output: {
+              version: '1',
+              type: 'REST',
+              method: 'POST',
+              endpoint: 'https://s2s.smartly.io/events',
+              headers: {},
+              params: {},
+              body: {
+                JSON: {
+                  platform: 'meta',
+                  ad_unit_id: '228287',
+                  ad_interaction_time: 1735680000,
+                  conversions: '1',
+                  event_name: 'Add to cart',
+                },
+                JSON_ARRAY: {},
+                XML: {},
+                FORM: {},
+              },
+              files: {},
+              userId: '',
+            },
+            statusCode: 200,
+          },
+        ],
+      },
+    },
+  },
+];
diff --git a/test/integrations/destinations/smartly/processor/validation.ts b/test/integrations/destinations/smartly/processor/validation.ts
new file mode 100644
index 0000000000..996afc34b3
--- /dev/null
+++ b/test/integrations/destinations/smartly/processor/validation.ts
@@ -0,0 +1,174 @@
+import { processInstrumentationErrorStatTags, destination } from '../commonConfig';
+
+export const validationFailures = [
+  {
+    id: 'Smartly-validation-test-1',
+    name: 'smartly',
+    description: 'Required field anonymousId not present',
+    scenario: 'Framework',
+    successCriteria: 'Transformationn Error for anonymousId not present',
+    feature: 'processor',
+    module: 'destination',
+    version: 'v0',
+    input: {
+      request: {
+        body: [
+          {
+            destination,
+            message: {
+              type: 'track',
+              event: 'product purchased',
+              sentAt: '2021-01-25T16:12:02.048Z',
+              userId: 'john123',
+              properties: {
+                products: [{}],
+                ad_unit_id: '22123387',
+                ad_interaction_time: '1690867200',
+              },
+              integrations: {
+                All: true,
+              },
+              originalTimestamp: '2021-01-25T15:32:56.409Z',
+            },
+            metadata: {
+              destinationId: 'dummyDestId',
+              jobId: '1',
+            },
+          },
+        ],
+      },
+    },
+    output: {
+      response: {
+        status: 200,
+        body: [
+          {
+            error:
+              'Missing required value from ["properties.platform"]: Workflow: procWorkflow, Step: preparePayload, ChildStep: undefined, OriginalError: Missing required value from ["properties.platform"]',
+            metadata: {
+              destinationId: 'dummyDestId',
+              jobId: '1',
+            },
+            statTags: processInstrumentationErrorStatTags,
+            statusCode: 400,
+          },
+        ],
+      },
+    },
+  },
+  {
+    id: 'Smartly-test-2',
+    name: 'smartly',
+    description: 'Unsupported message type -> group',
+    scenario: 'Framework',
+    successCriteria: 'Transformationn Error for Unsupported message type',
+    feature: 'processor',
+    module: 'destination',
+    version: 'v0',
+    input: {
+      request: {
+        body: [
+          {
+            destination,
+            message: {
+              type: 'group',
+              event_name: 'purchase',
+              sentAt: '2021-01-25T16:12:02.048Z',
+              userId: 'john67',
+              channel: 'mobile',
+              rudderId: 'b7b24f86-cccx-46d8-b2b4-ccaxxx80239c',
+              messageId: 'dummy_msg_id',
+              properties: {
+                platform: 'snapchat',
+                ad_unit_id: '2653387',
+                ad_interaction_time: '1690867200',
+              },
+              anonymousId: 'anon_123',
+              integrations: {
+                All: true,
+              },
+            },
+            metadata: {
+              destinationId: 'dummyDestId',
+              jobId: '1',
+            },
+          },
+        ],
+      },
+    },
+    output: {
+      response: {
+        status: 200,
+        body: [
+          {
+            error:
+              'message type group is not supported: Workflow: procWorkflow, Step: validateInput, ChildStep: undefined, OriginalError: message type group is not supported',
+            metadata: {
+              destinationId: 'dummyDestId',
+              jobId: '1',
+            },
+            statTags: processInstrumentationErrorStatTags,
+            statusCode: 400,
+          },
+        ],
+      },
+    },
+  },
+  {
+    id: 'Smartly-test-3',
+    name: 'smartly',
+    description: 'Event name not defined',
+    scenario: 'Framework',
+    successCriteria: 'Transformationn Error for Undefined Event',
+    feature: 'processor',
+    module: 'destination',
+    version: 'v0',
+    input: {
+      request: {
+        body: [
+          {
+            destination,
+            message: {
+              type: 'track',
+              sentAt: '2021-01-25T16:12:02.048Z',
+              userId: 'john67',
+              channel: 'mobile',
+              rudderId: 'b7b24f86-cccx-46d8-b2b4-ccaxxx80239c',
+              messageId: 'dummy_msg_id',
+              properties: {
+                platform: 'snapchat',
+                ad_unit_id: '2653387',
+                ad_interaction_time: 1675094400,
+              },
+              anonymousId: 'anon_123',
+              integrations: {
+                All: true,
+              },
+            },
+            metadata: {
+              destinationId: 'dummyDestId',
+              jobId: '1',
+            },
+          },
+        ],
+      },
+    },
+    output: {
+      response: {
+        status: 200,
+        body: [
+          {
+            error:
+              'Event is not defined or is not String: Workflow: procWorkflow, Step: preparePayload, ChildStep: undefined, OriginalError: Event is not defined or is not String',
+            metadata: {
+              destinationId: 'dummyDestId',
+              jobId: '1',
+            },
+            statTags: processInstrumentationErrorStatTags,
+            statusCode: 400,
+          },
+        ],
+      },
+    },
+  },
+];
diff --git a/test/integrations/destinations/smartly/router/data.ts b/test/integrations/destinations/smartly/router/data.ts
new file mode 100644
index 0000000000..7c2d74e6f0
--- /dev/null
+++ b/test/integrations/destinations/smartly/router/data.ts
@@ -0,0 +1,329 @@
+import { destination, routerInstrumentationErrorStatTags } from '../commonConfig';
+import { defaultMockFns } from '../mocks';
+
+export const data = [
+  {
+    name: 'smartly',
+    id: 'Test 0 - router',
+    description: 'Track call with multiplexing and batching',
+    scenario: 'Framework+Buisness',
+    successCriteria: 'All events should be transformed successfully and status code should be 200',
+    feature: 'router',
+    module: 'destination',
+    version: 'v0',
+    input: {
+      request: {
+        body: {
+          input: [
+            {
+              message: {
+                type: 'track',
+                event: 'product list viewed',
+                properties: {
+                  platform: 'meta',
+                  conversions: 1,
+                  ad_unit_id: '221187',
+                  ad_interaction_time: 1690867200,
+                },
+              },
+              metadata: { jobId: 2, userId: 'u2' },
+              destination,
+            },
+            {
+              message: {
+                type: 'track',
+                event: 'add to cart',
+                properties: {
+                  conversions: 3,
+                  platform: 'snapchat',
+                  ad_unit_id: '77187',
+                  ad_interaction_time: 1690867200,
+                },
+              },
+              metadata: { jobId: 3, userId: 'u3' },
+              destination,
+            },
+          ],
+          destType: 'smartly',
+        },
+        method: 'POST',
+      },
+    },
+    output: {
+      response: {
+        status: 200,
+        body: {
+          output: [
+            {
+              batchedRequest: {
+                body: {
+                  JSON: {
+                    events: [
+                      {
+                        conversions: 1,
+                        ad_unit_id: '221187',
+                        platform: 'meta',
+                        ad_interaction_time: 1690867200,
+                        event_name: 'event1',
+                      },
+                      {
+                        conversions: 1,
+                        ad_unit_id: '221187',
+                        platform: 'meta',
+                        ad_interaction_time: 1690867200,
+                        event_name: 'event2',
+                      },
+                      {
+                        conversions: 3,
+                        ad_unit_id: '77187',
+                        platform: 'snapchat',
+                        ad_interaction_time: 1690867200,
+                        event_name: 'add to cart',
+                      },
+                    ],
+                  },
+                  JSON_ARRAY: {},
+                  XML: {},
+                  FORM: {},
+                },
+                version: '1',
+                type: 'REST',
+                method: 'POST',
+                endpoint: 'https://s2s.smartly.io/events/batch',
+                headers: {
+                  'Content-Type': 'application/json',
+                  Authorization: `Bearer testAuthToken`,
+                },
+                params: {},
+                files: {},
+              },
+              metadata: [
+                {
+                  jobId: 2,
+                  userId: 'u2',
+                },
+                {
+                  jobId: 3,
+                  userId: 'u3',
+                },
+              ],
+              batched: true,
+              statusCode: 200,
+              destination,
+            },
+          ],
+        },
+      },
+    },
+    mockFns: () => {
+      jest.useFakeTimers().setSystemTime(new Date('2024-02-01'));
+    },
+  },
+  {
+    name: 'smartly',
+    id: 'Test 1 - router',
+    description: 'Batch calls with 4 succesfull events including multiplexing and 2 failed events',
+    scenario: 'Framework+Buisness',
+    successCriteria: 'All events should be transformed successfully and status code should be 200',
+    feature: 'router',
+    module: 'destination',
+    version: 'v0',
+    input: {
+      request: {
+        body: {
+          input: [
+            {
+              message: {
+                type: 'track',
+                event: 'product list viewed',
+                properties: {
+                  platform: 'meta',
+                  conversions: 1,
+                  ad_unit_id: '221187',
+                  ad_interaction_time: 1690867200,
+                },
+              },
+              metadata: { jobId: 11, userId: 'u1' },
+              destination,
+            },
+            {
+              message: {
+                type: 'track',
+                event: 'purchase',
+                userId: 'testuserId1',
+                integrations: { All: true },
+                properties: {
+                  conversions: 3,
+                  platform: 'snapchat',
+                  ad_unit_id: '77187',
+                  ad_interaction_time: 1690867200,
+                },
+              },
+              metadata: { jobId: 13, userId: 'u1' },
+              destination,
+            },
+            {
+              message: {
+                type: 'track',
+                userId: 'testuserId1',
+                integrations: { All: true },
+                properties: {
+                  conversions: 3,
+                  platform: 'snapchat',
+                  ad_unit_id: '12387',
+                  ad_interaction_time: 1690867200,
+                },
+              },
+              metadata: { jobId: 14, userId: 'u1' },
+              destination,
+            },
+            {
+              message: {
+                type: 'track',
+                event: 'random event',
+                userId: 'testuserId1',
+                integrations: { All: true },
+                properties: {
+                  conversions: 3,
+                  ad_unit_id: '77187',
+                  ad_interaction_time: 1690867200,
+                },
+              },
+              metadata: { jobId: 15, userId: 'u1' },
+              destination,
+            },
+            {
+              message: {
+                type: 'track',
+                event: 'add to cart',
+                userId: 'testuserId1',
+                integrations: { All: true },
+                properties: {
+                  conversions: 3,
+                  platform: 'tiktok',
+                  ad_unit_id: '789187',
+                  ad_interaction_time: 1690867200,
+                },
+              },
+              metadata: { jobId: 16, userId: 'u1' },
+              destination,
+            },
+          ],
+          destType: 'smartly',
+        },
+        method: 'POST',
+      },
+    },
+    output: {
+      response: {
+        status: 200,
+        body: {
+          output: [
+            {
+              batched: false,
+              destination,
+              error: 'Event is not defined or is not String',
+              metadata: [{ jobId: 14, userId: 'u1' }],
+              statTags: routerInstrumentationErrorStatTags,
+              statusCode: 400,
+            },
+            {
+              batched: false,
+              destination,
+              error: 'Missing required value from ["properties.platform"]',
+              metadata: [{ jobId: 15, userId: 'u1' }],
+              statTags: routerInstrumentationErrorStatTags,
+              statusCode: 400,
+            },
+            {
+              batchedRequest: {
+                version: '1',
+                type: 'REST',
+                method: 'POST',
+                endpoint: 'https://s2s.smartly.io/events/batch',
+                params: {},
+                body: {
+                  FORM: {},
+                  JSON: {
+                    events: [
+                      {
+                        platform: 'meta',
+                        conversions: 1,
+                        event_name: 'event1',
+                        ad_unit_id: '221187',
+                        ad_interaction_time: 1690867200,
+                      },
+                      {
+                        platform: 'meta',
+                        conversions: 1,
+                        event_name: 'event2',
+                        ad_unit_id: '221187',
+                        ad_interaction_time: 1690867200,
+                      },
+                    ],
+                  },
+                  JSON_ARRAY: {},
+                  XML: {},
+                },
+                headers: {
+                  'Content-Type': 'application/json',
+                  Authorization: `Bearer testAuthToken`,
+                },
+                files: {},
+              },
+              metadata: [{ jobId: 11, userId: 'u1' }],
+              batched: true,
+              statusCode: 200,
+              destination,
+            },
+            {
+              batchedRequest: {
+                version: '1',
+                type: 'REST',
+                method: 'POST',
+                endpoint: 'https://s2s.smartly.io/events/batch',
+                params: {},
+                body: {
+                  FORM: {},
+                  JSON: {
+                    events: [
+                      {
+                        conversions: 3,
+                        event_name: 'purchase',
+                        platform: 'snapchat',
+                        ad_unit_id: '77187',
+                        ad_interaction_time: 1690867200,
+                      },
+                      {
+                        conversions: 3,
+                        event_name: 'add to cart',
+                        platform: 'tiktok',
+                        ad_unit_id: '789187',
+                        ad_interaction_time: 1690867200,
+                      },
+                    ],
+                  },
+                  JSON_ARRAY: {},
+                  XML: {},
+                },
+                headers: {
+                  'Content-Type': 'application/json',
+                  Authorization: `Bearer testAuthToken`,
+                },
+                files: {},
+              },
+              metadata: [
+                { jobId: 13, userId: 'u1' },
+                { jobId: 16, userId: 'u1' },
+              ],
+              batched: true,
+              statusCode: 200,
+              destination,
+            },
+          ],
+        },
+      },
+    },
+    mockFns: defaultMockFns,
+  },
+];