diff --git a/frontend/src/container/SpanList/SpanList.tsx b/frontend/src/container/SpanList/SpanList.tsx
index f6a771e75a72..a8d0cd5aee6e 100644
--- a/frontend/src/container/SpanList/SpanList.tsx
+++ b/frontend/src/container/SpanList/SpanList.tsx
@@ -1,11 +1,14 @@
 import './SpanList.styles.scss';
 
+import { ENTITY_VERSION_V5 } from 'constants/app';
+import { initialQueriesMap, PANEL_TYPES } from 'constants/queryBuilder';
+import { useGetQueryRange } from 'hooks/queryBuilder/useGetQueryRange';
 import { useMemo } from 'react';
 import { Span } from 'types/api/trace/getTraceV2';
 
-import { mockEntrySpanData } from './mockData';
 import SearchFilters from './SearchFilters';
 import SpanTable from './SpanTable';
+import { SpanDataRow } from './types';
 import { transformEntrySpansToHierarchy } from './utils';
 
 interface SpanListProps {
@@ -14,9 +17,90 @@ interface SpanListProps {
 }
 
 function SpanList({ traceId, setSelectedSpan }: SpanListProps): JSX.Element {
+	const payload = initialQueriesMap.traces;
+
+	const { data, isLoading, isFetching } = useGetQueryRange(
+		{
+			graphType: PANEL_TYPES.LIST,
+			selectedTime: 'GLOBAL_TIME',
+			query: {
+				...payload,
+				builder: {
+					...payload.builder,
+					queryData: [
+						{
+							...payload.builder.queryData[0],
+							...{
+								name: 'A',
+								signal: 'traces',
+								stepInterval: null,
+								disabled: false,
+								filter: {
+									expression: `trace_id = '${traceId}' isEntryPoint = 'true'`,
+								},
+								limit: 10,
+								offset: 0,
+								order: [
+									{
+										key: {
+											name: 'timestamp',
+										},
+										direction: 'desc',
+									},
+								],
+								having: {
+									expression: '',
+								},
+								selectFields: [
+									{
+										name: 'service.name',
+										fieldDataType: 'string',
+										signal: 'traces',
+										fieldContext: 'resource',
+									},
+									{
+										name: 'name',
+										fieldDataType: 'string',
+										signal: 'traces',
+									},
+									{
+										name: 'duration_nano',
+										fieldDataType: '',
+										signal: 'traces',
+										fieldContext: 'span',
+									},
+									{
+										name: 'http_method',
+										fieldDataType: '',
+										signal: 'traces',
+										fieldContext: 'span',
+									},
+									{
+										name: 'response_status_code',
+										fieldDataType: '',
+										signal: 'traces',
+										fieldContext: 'span',
+									},
+								],
+							},
+						},
+					],
+				},
+			},
+		},
+		// version,
+		ENTITY_VERSION_V5,
+	);
+
 	const hierarchicalData = useMemo(
-		() => transformEntrySpansToHierarchy(mockEntrySpanData),
-		[],
+		() =>
+			// TODO(shaheer): properly fix the type
+			transformEntrySpansToHierarchy(
+				(data?.payload.data.newResult.data.result[0].list as unknown) as
+					| SpanDataRow[]
+					| undefined,
+			),
+		[data?.payload.data.newResult.data.result],
 	);
 
 	return (
@@ -27,6 +111,7 @@ function SpanList({ traceId, setSelectedSpan }: SpanListProps): JSX.Element {
 			<div className="span-list__content">
 				<SpanTable
 					data={hierarchicalData}
+					isLoading={isLoading || isFetching}
 					traceId={traceId}
 					setSelectedSpan={setSelectedSpan}
 				/>
diff --git a/frontend/src/container/SpanList/SpanTable.tsx b/frontend/src/container/SpanList/SpanTable.tsx
index 98f0dde3a43d..d05491b8e57a 100644
--- a/frontend/src/container/SpanList/SpanTable.tsx
+++ b/frontend/src/container/SpanList/SpanTable.tsx
@@ -1,11 +1,12 @@
 import { Button } from '@signozhq/button';
 import { ColumnDef, DataTable, Row } from '@signozhq/table';
+import { getYAxisFormattedValue } from 'components/Graph/yAxisConfig';
 import { ChevronDownIcon, ChevronRightIcon } from 'lucide-react';
 import { useCallback, useMemo, useState } from 'react';
 import { Span } from 'types/api/trace/getTraceV2';
 
 import { HierarchicalSpanData, ServiceEntrySpan, SpanDataRow } from './types';
-import { fetchServiceSpans, formatDuration } from './utils';
+import { fetchServiceSpans } from './utils';
 
 // Constants
 const SPAN_TYPE_ENTRY = 'entry-span';
@@ -15,6 +16,7 @@ interface SpanTableProps {
 	data: HierarchicalSpanData;
 	traceId?: string;
 	setSelectedSpan?: (span: Span) => void;
+	isLoading?: boolean;
 }
 
 interface TableRowData {
@@ -36,6 +38,7 @@ function SpanTable({
 	data,
 	traceId,
 	setSelectedSpan,
+	isLoading,
 }: SpanTableProps): JSX.Element {
 	const [expandedEntrySpans, setExpandedEntrySpans] = useState<
 		Record<string, ServiceEntrySpan>
@@ -156,17 +159,6 @@ function SpanTable({
 		[],
 	);
 
-	const renderSpanCountCell = useCallback(
-		({ row }: { row: Row<TableRowData> }): JSX.Element => {
-			const { original } = row;
-			if (original.type === SPAN_TYPE_ENTRY && original.spanCount !== undefined) {
-				return <span>{original.spanCount}</span>;
-			}
-			return <span>-</span>;
-		},
-		[],
-	);
-
 	const renderDurationCell = useCallback(
 		({ row }: { row: Row<TableRowData> }): JSX.Element => {
 			const { original } = row;
@@ -190,7 +182,15 @@ function SpanTable({
 	const renderStatusCodeCell = useCallback(
 		({ row }: { row: Row<TableRowData> }): JSX.Element => {
 			const { original } = row;
-			return <span>{original.statusCode}</span>;
+			return <span>{original.statusCode || '-'}</span>;
+		},
+		[],
+	);
+
+	const renderSpanIdCell = useCallback(
+		({ row }: { row: Row<TableRowData> }): JSX.Element => {
+			const { original } = row;
+			return <span className="span-id">{original.spanId}</span>;
 		},
 		[],
 	);
@@ -218,6 +218,13 @@ function SpanTable({
 			size: 180,
 			cell: renderTimestampCell,
 		},
+		{
+			id: 'spanId',
+			header: 'Span ID',
+			accessorKey: 'spanId',
+			size: 150,
+			cell: renderSpanIdCell,
+		},
 		{
 			id: 'httpMethod',
 			header: 'Method',
@@ -239,13 +246,6 @@ function SpanTable({
 			size: 120,
 			cell: renderServiceCell,
 		},
-		{
-			id: 'spans',
-			header: 'Spans',
-			accessorKey: 'spanCount',
-			size: 80,
-			cell: renderSpanCountCell,
-		},
 		{
 			id: 'duration',
 			header: 'Duration',
@@ -272,7 +272,10 @@ function SpanTable({
 				spanName: entrySpan.spanData.data.name,
 				serviceName: entrySpan.serviceName,
 				spanCount: spanCount > 0 ? spanCount : undefined,
-				duration: formatDuration(entrySpan.spanData.data.duration_nano),
+				duration: getYAxisFormattedValue(
+					entrySpan.spanData.data.duration_nano.toString(),
+					'ns',
+				),
 				timestamp: entrySpan.spanData.timestamp,
 				statusCode: entrySpan.spanData.data.response_status_code,
 				httpMethod: entrySpan.spanData.data.http_method,
@@ -288,7 +291,10 @@ function SpanTable({
 						type: SPAN_TYPE_SERVICE,
 						spanName: serviceSpan.data.name,
 						serviceName: serviceSpan.data['service.name'],
-						duration: formatDuration(serviceSpan.data.duration_nano),
+						duration: getYAxisFormattedValue(
+							serviceSpan.data.duration_nano.toString(),
+							'ns',
+						),
 						timestamp: serviceSpan.timestamp,
 						statusCode: serviceSpan.data.response_status_code,
 						httpMethod: serviceSpan.data.http_method,
@@ -354,6 +360,7 @@ function SpanTable({
 				fixedHeight={args.fixedHeight}
 				data={flattenedData}
 				onRowClick={handleRowClick}
+				isLoading={isLoading}
 			/>
 		</div>
 	);
@@ -362,6 +369,7 @@ function SpanTable({
 SpanTable.defaultProps = {
 	traceId: undefined,
 	setSelectedSpan: undefined,
+	isLoading: false,
 };
 
 export default SpanTable;
diff --git a/frontend/src/container/SpanList/mockData.ts b/frontend/src/container/SpanList/mockData.ts
deleted file mode 100644
index 4fb4dbf96ef0..000000000000
--- a/frontend/src/container/SpanList/mockData.ts
+++ /dev/null
@@ -1,96 +0,0 @@
-import { SpanDataRow } from './types';
-
-export const mockEntrySpanData: SpanDataRow[] = [
-	{
-		data: {
-			duration_nano: 3878813,
-			http_method: '',
-			// eslint-disable-next-line sonarjs/no-duplicate-string
-			name: 'CurrencyService/Convert',
-			response_status_code: '0',
-			'service.name': 'currencyservice',
-			span_id: '8439d7461ab457a2',
-			timestamp: '2025-09-03T11:33:46.060209146Z',
-			trace_id: '5ad9c01671f0e38582efe03bbf81360a',
-		},
-		timestamp: '2025-09-03T11:33:46.060209146Z',
-	},
-	{
-		data: {
-			duration_nano: 12485759,
-			http_method: '',
-			name: 'CurrencyService/Convert',
-			response_status_code: '0',
-			'service.name': 'currencyservice',
-			span_id: '7dbf7811106b1049',
-			timestamp: '2025-09-03T11:33:46.058715482Z',
-			trace_id: '5ad9c01671f0e38582efe03bbf81360a',
-		},
-		timestamp: '2025-09-03T11:33:46.058715482Z',
-	},
-	{
-		data: {
-			duration_nano: 6950595,
-			http_method: '',
-			name: 'CurrencyService/Convert',
-			response_status_code: '0',
-			'service.name': 'currencyservice',
-			span_id: '9adcdf1baa56d23a',
-			timestamp: '2025-09-03T11:33:46.058319328Z',
-			trace_id: '5ad9c01671f0e38582efe03bbf81360a',
-		},
-		timestamp: '2025-09-03T11:33:46.058319328Z',
-	},
-	{
-		data: {
-			duration_nano: 5323696,
-			http_method: '',
-			name: 'CurrencyService/Convert',
-			response_status_code: '0',
-			'service.name': 'currencyservice',
-			span_id: '1a1b01a750dfe4d6',
-			timestamp: '2025-09-03T11:33:46.057323233Z',
-			trace_id: '5ad9c01671f0e38582efe03bbf81360a',
-		},
-		timestamp: '2025-09-03T11:33:46.057323233Z',
-	},
-	{
-		data: {
-			duration_nano: 133659,
-			http_method: '',
-			name: 'oteldemo.ProductCatalogService/GetProduct',
-			response_status_code: '0',
-			'service.name': 'productcatalogservice',
-			span_id: '485a987e9dbf8ddd',
-			timestamp: '2025-09-03T11:33:45.963838319Z',
-			trace_id: '5ad9c01671f0e38582efe03bbf81360a',
-		},
-		timestamp: '2025-09-03T11:33:45.963838319Z',
-	},
-	{
-		data: {
-			duration_nano: 245000000,
-			http_method: 'GET',
-			name: '/api/checkout',
-			response_status_code: '200',
-			'service.name': 'checkoutservice',
-			span_id: 'abc123def456',
-			timestamp: '2025-09-03T11:33:45.800000000Z',
-			trace_id: '5ad9c01671f0e38582efe03bbf81360a',
-		},
-		timestamp: '2025-09-03T11:33:45.800000000Z',
-	},
-	{
-		data: {
-			duration_nano: 150000000,
-			http_method: 'POST',
-			name: '/api/payment',
-			response_status_code: '200',
-			'service.name': 'paymentservice',
-			span_id: 'def456ghi789',
-			timestamp: '2025-09-03T11:33:45.750000000Z',
-			trace_id: '5ad9c01671f0e38582efe03bbf81360a',
-		},
-		timestamp: '2025-09-03T11:33:45.750000000Z',
-	},
-];
diff --git a/frontend/src/container/SpanList/utils.ts b/frontend/src/container/SpanList/utils.ts
index 402c6f2975d8..95398884fe61 100644
--- a/frontend/src/container/SpanList/utils.ts
+++ b/frontend/src/container/SpanList/utils.ts
@@ -1,30 +1,28 @@
+import { ENTITY_VERSION_V5 } from 'constants/app';
+import { initialQueriesMap, PANEL_TYPES } from 'constants/queryBuilder';
+import { GetMetricQueryRange } from 'lib/dashboard/getQueryResults';
+import { uniqBy } from 'lodash-es';
+
 import { HierarchicalSpanData, ServiceEntrySpan, SpanDataRow } from './types';
 
-export function formatDuration(durationNano: number): string {
-	if (durationNano < 1000) {
-		return `${durationNano}ns`;
-	}
-	if (durationNano < 1000000) {
-		return `${(durationNano / 1000).toFixed(2)}μs`;
-	}
-	if (durationNano < 1000000000) {
-		return `${(durationNano / 1000000).toFixed(2)}ms`;
-	}
-	return `${(durationNano / 1000000000).toFixed(2)}s`;
-}
-
 export function transformEntrySpansToHierarchy(
-	entrySpans: SpanDataRow[],
+	entrySpans?: SpanDataRow[],
 ): HierarchicalSpanData {
 	let totalTraceTime = 0;
 
+	if (!entrySpans) {
+		return { entrySpans: [], totalTraceTime: 0 };
+	}
+
+	const uniqueEntrySpans = uniqBy(entrySpans, 'data.span_id');
+
 	// Calculate total trace time from all entry spans
-	entrySpans.forEach((span) => {
+	uniqueEntrySpans.forEach((span) => {
 		totalTraceTime += span.data.duration_nano;
 	});
 
 	// Transform entry spans to ServiceEntrySpan structure
-	const entrySpansList: ServiceEntrySpan[] = entrySpans.map((span) => ({
+	const entrySpansList: ServiceEntrySpan[] = uniqueEntrySpans.map((span) => ({
 		spanData: span,
 		serviceName: span.data['service.name'],
 		isExpanded: false,
@@ -32,58 +30,101 @@ export function transformEntrySpansToHierarchy(
 		isLoadingServiceSpans: false,
 	}));
 
-	// Sort by timestamp (most recent first)
-	entrySpansList.sort(
-		(a, b) =>
-			new Date(b.spanData.timestamp).getTime() -
-			new Date(a.spanData.timestamp).getTime(),
-	);
-
 	return {
 		entrySpans: entrySpansList,
 		totalTraceTime,
 	};
 }
 
-// Mock function to simulate fetching service spans
-export function fetchServiceSpans(
+export async function fetchServiceSpans(
 	traceId: string,
 	serviceName: string,
 ): Promise<SpanDataRow[]> {
-	// This would normally make an API call to get spans for the specific service
-	// For now, return mock data filtered by service name
-	return new Promise((resolve) => {
-		setTimeout(() => {
-			// Mock response - in real implementation, this would call the API
-			const mockServiceSpans: SpanDataRow[] = [
-				{
-					data: {
-						duration_nano: 1500000,
-						http_method: 'GET',
-						name: `${serviceName}/internal-call-1`,
-						response_status_code: '200',
-						'service.name': serviceName,
-						span_id: `${serviceName}-span-1`,
-						timestamp: '2025-09-03T11:33:46.100000000Z',
-						trace_id: traceId,
+	// Use the same payload structure as in SpanList component but with service-specific filter
+	const payload = initialQueriesMap.traces;
+
+	try {
+		const response = await GetMetricQueryRange(
+			{
+				graphType: PANEL_TYPES.LIST,
+				selectedTime: 'GLOBAL_TIME',
+				query: {
+					...payload,
+					builder: {
+						...payload.builder,
+						queryData: [
+							{
+								...payload.builder.queryData[0],
+								...{
+									name: 'A',
+									signal: 'traces',
+									stepInterval: null,
+									disabled: false,
+									filter: {
+										expression: `trace_id = '${traceId}' and service.name = '${serviceName}'`,
+									},
+									limit: 10,
+									offset: 0,
+									order: [
+										{
+											key: {
+												name: 'timestamp',
+											},
+											direction: 'desc',
+										},
+									],
+									having: {
+										expression: '',
+									},
+									selectFields: [
+										{
+											name: 'service.name',
+											fieldDataType: 'string',
+											signal: 'traces',
+											fieldContext: 'resource',
+										},
+										{
+											name: 'name',
+											fieldDataType: 'string',
+											signal: 'traces',
+										},
+										{
+											name: 'duration_nano',
+											fieldDataType: '',
+											signal: 'traces',
+											fieldContext: 'span',
+										},
+										{
+											name: 'http_method',
+											fieldDataType: '',
+											signal: 'traces',
+											fieldContext: 'span',
+										},
+										{
+											name: 'response_status_code',
+											fieldDataType: '',
+											signal: 'traces',
+											fieldContext: 'span',
+										},
+									],
+								},
+							},
+						],
 					},
-					timestamp: '2025-09-03T11:33:46.100000000Z',
 				},
-				{
-					data: {
-						duration_nano: 2500000,
-						http_method: 'POST',
-						name: `${serviceName}/internal-call-2`,
-						response_status_code: '200',
-						'service.name': serviceName,
-						span_id: `${serviceName}-span-2`,
-						timestamp: '2025-09-03T11:33:46.200000000Z',
-						trace_id: traceId,
-					},
-					timestamp: '2025-09-03T11:33:46.200000000Z',
-				},
-			];
-			resolve(mockServiceSpans);
-		}, 500); // Simulate network delay
-	});
+			},
+			ENTITY_VERSION_V5,
+		);
+
+		// Extract spans from the API response using the same path as SpanList component
+		const spans =
+			response?.payload?.data?.newResult?.data?.result?.[0]?.list || [];
+
+		// Transform the API response to SpanDataRow format if needed
+		// The API should return the correct format for traces, but we'll handle any potential transformation
+		return (spans as unknown) as SpanDataRow[];
+	} catch (error) {
+		console.error('Failed to fetch service spans:', error);
+		return [];
+	}
 }