diff --git a/packages/@n8n/api-types/src/dto/data-table/list-data-table-query.dto.ts b/packages/@n8n/api-types/src/dto/data-table/list-data-table-query.dto.ts
index bec6450dd72..96b4bf05774 100644
--- a/packages/@n8n/api-types/src/dto/data-table/list-data-table-query.dto.ts
+++ b/packages/@n8n/api-types/src/dto/data-table/list-data-table-query.dto.ts
@@ -17,48 +17,48 @@ const VALID_SORT_OPTIONS = [
 
 export type ListDataTableQuerySortOptions = (typeof VALID_SORT_OPTIONS)[number];
 
-const FILTER_OPTIONS = {
-	id: z.union([z.string(), z.array(z.string())]).optional(),
-	name: z.union([z.string(), z.array(z.string())]).optional(),
-	projectId: z.union([z.string(), z.array(z.string())]).optional(),
-	// todo: can probably include others here as well?
-};
+const filterSchema = z
+	.object({
+		id: z.union([z.string(), z.array(z.string())]).optional(),
+		name: z.union([z.string(), z.array(z.string())]).optional(),
+		projectId: z.union([z.string(), z.array(z.string())]).optional(),
+		// todo: can probably include others here as well?
+	})
+	.strict();
 
-// Filter schema - only allow specific properties
-const filterSchema = z.object(FILTER_OPTIONS).strict();
-// ---------------------
-// Parameter Validators
-// ---------------------
+// Public API restricts projectId to a single string
+const publicApiFilterSchema = filterSchema.extend({ projectId: z.string().optional() }).strict();
 
-// Filter parameter validation
-const filterValidator = z
-	.string()
-	.optional()
-	.transform((val, ctx) => {
-		if (!val) return undefined;
-		try {
-			const parsed: unknown = jsonParse(val);
+const makeFilterValidator = <T extends z.ZodObject<z.ZodRawShape>>(schema: T) =>
+	z
+		.string()
+		.optional()
+		.transform((val, ctx): z.infer<T> | undefined => {
+			if (!val) return undefined;
 			try {
-				return filterSchema.parse(parsed);
-			} catch (e) {
+				const result = schema.safeParse(jsonParse(val));
+				if (!result.success) {
+					ctx.addIssue({
+						code: z.ZodIssueCode.custom,
+						message: 'Invalid filter fields',
+						path: ['filter'],
+					});
+					return z.NEVER;
+				}
+				return result.data;
+			} catch {
 				ctx.addIssue({
 					code: z.ZodIssueCode.custom,
-					message: 'Invalid filter fields',
+					message: 'Invalid filter format',
 					path: ['filter'],
 				});
 				return z.NEVER;
 			}
-		} catch (e) {
-			ctx.addIssue({
-				code: z.ZodIssueCode.custom,
-				message: 'Invalid filter format',
-				path: ['filter'],
-			});
-			return z.NEVER;
-		}
-	});
+		});
+
+const filterValidator = makeFilterValidator(filterSchema);
+const publicApiFilterValidator = makeFilterValidator(publicApiFilterSchema);
 
-// SortBy parameter validation
 const sortByValidator = z
 	.enum(VALID_SORT_OPTIONS, { message: `sortBy must be one of: ${VALID_SORT_OPTIONS.join(', ')}` })
 	.optional();
@@ -71,6 +71,6 @@ export class ListDataTableQueryDto extends Z.class({
 
 export class PublicApiListDataTableQueryDto extends Z.class({
 	...publicApiPaginationSchema,
-	filter: filterValidator,
+	filter: publicApiFilterValidator,
 	sortBy: sortByValidator,
 }) {}
diff --git a/packages/@n8n/api-types/src/dto/data-table/public-api-create-data-table.dto.ts b/packages/@n8n/api-types/src/dto/data-table/public-api-create-data-table.dto.ts
new file mode 100644
index 00000000000..f65cc8a4230
--- /dev/null
+++ b/packages/@n8n/api-types/src/dto/data-table/public-api-create-data-table.dto.ts
@@ -0,0 +1,13 @@
+import { z } from 'zod';
+
+import { CreateDataTableColumnDto } from './create-data-table-column.dto';
+import { dataTableNameSchema } from '../../schemas/data-table.schema';
+import { Z } from '../../zod-class';
+
+export class PublicApiCreateDataTableDto extends Z.class({
+	name: dataTableNameSchema,
+	columns: z.array(CreateDataTableColumnDto.schema),
+	fileId: z.string().optional(),
+	hasHeaders: z.boolean().optional(),
+	projectId: z.string().optional(),
+}) {}
diff --git a/packages/@n8n/api-types/src/dto/index.ts b/packages/@n8n/api-types/src/dto/index.ts
index 91ef09b3187..056eda37a48 100644
--- a/packages/@n8n/api-types/src/dto/index.ts
+++ b/packages/@n8n/api-types/src/dto/index.ts
@@ -168,6 +168,7 @@ export { TestOidcConfigResponseDto } from './oidc/test-oidc-config-response.dto'
 
 export { CreateDataTableDto } from './data-table/create-data-table.dto';
 export { UpdateDataTableDto } from './data-table/update-data-table.dto';
+export { PublicApiCreateDataTableDto } from './data-table/public-api-create-data-table.dto';
 export { UpdateDataTableRowDto } from './data-table/update-data-table-row.dto';
 export { DeleteDataTableRowsDto } from './data-table/delete-data-table-rows.dto';
 export { UpsertDataTableRowDto } from './data-table/upsert-data-table-row.dto';
diff --git a/packages/@n8n/api-types/src/schemas/data-table.schema.ts b/packages/@n8n/api-types/src/schemas/data-table.schema.ts
index bef472fe893..00e281e21bc 100644
--- a/packages/@n8n/api-types/src/schemas/data-table.schema.ts
+++ b/packages/@n8n/api-types/src/schemas/data-table.schema.ts
@@ -45,11 +45,11 @@ export type DataTableColumn = z.infer<typeof dataTableColumnSchema>;
 export type DataTableListFilter = {
 	id?: string | string[];
 	projectId?: string | string[];
-	name?: string;
+	name?: string | string[];
 };
 
 export type DataTableListOptions = Partial<ListDataTableQueryDto> & {
-	filter: { projectId: string };
+	filter: DataTableListFilter;
 };
 
 export type DataTableListSortBy = ListDataTableQueryDto['sortBy'];
diff --git a/packages/cli/src/modules/data-table/__tests__/data-table.service.test.ts b/packages/cli/src/modules/data-table/__tests__/data-table.service.test.ts
index c985c8d593b..6b496bbe610 100644
--- a/packages/cli/src/modules/data-table/__tests__/data-table.service.test.ts
+++ b/packages/cli/src/modules/data-table/__tests__/data-table.service.test.ts
@@ -5,11 +5,11 @@ import { ProjectRelationRepository, type User } from '@n8n/db';
 import type { DataTableInfoById } from 'n8n-workflow';
 
 import type { DataTableColumn } from '../data-table-column.entity';
+import type { DataTable } from '../data-table.entity';
 import { DataTableColumnRepository } from '../data-table-column.repository';
 import { DataTableCsvImportService } from '../data-table-csv-import.service';
 import { DataTableRowsRepository } from '../data-table-rows.repository';
 import { DataTableSizeValidator } from '../data-table-size-validator.service';
-import type { DataTable } from '../data-table.entity';
 import { DataTableRepository } from '../data-table.repository';
 import { DataTableService } from '../data-table.service';
 import { DataTableColumnNotFoundError } from '../errors/data-table-column-not-found.error';
diff --git a/packages/cli/src/public-api/types.ts b/packages/cli/src/public-api/types.ts
index 3b0df54a7f6..20e24bdcdca 100644
--- a/packages/cli/src/public-api/types.ts
+++ b/packages/cli/src/public-api/types.ts
@@ -2,7 +2,7 @@ import type { AuthenticatedRequest, TagEntity, WorkflowEntity } from '@n8n/db';
 import type { ExecutionStatus, ICredentialDataDecryptedObject } from 'n8n-workflow';
 import type {
 	AddDataTableRowsDto,
-	CreateDataTableDto,
+	PublicApiCreateDataTableDto,
 	UpdateDataTableDto,
 	UpdateDataTableRowDto,
 	UpsertDataTableRowDto,
@@ -257,7 +257,7 @@ export declare namespace DataTableRequest {
 		}
 	>;
 
-	type Create = AuthenticatedRequest<{}, {}, CreateDataTableDto, {}>;
+	type Create = AuthenticatedRequest<{}, {}, PublicApiCreateDataTableDto, {}>;
 
 	type Get = AuthenticatedRequest<{ dataTableId: string }, {}, {}, {}>;
 
diff --git a/packages/cli/src/public-api/v1/handlers/data-tables/__tests__/data-tables.handler.test.ts b/packages/cli/src/public-api/v1/handlers/data-tables/__tests__/data-tables.handler.test.ts
index e75fc1adc6f..cad18cb60ce 100644
--- a/packages/cli/src/public-api/v1/handlers/data-tables/__tests__/data-tables.handler.test.ts
+++ b/packages/cli/src/public-api/v1/handlers/data-tables/__tests__/data-tables.handler.test.ts
@@ -1,11 +1,12 @@
 import { mockInstance } from '@n8n/backend-test-utils';
-import { ProjectRepository } from '@n8n/db';
+import { ProjectRelationRepository, ProjectRepository } from '@n8n/db';
 import { Container } from '@n8n/di';
 import type { Response } from 'express';
 
 import { DataTableRepository } from '@/modules/data-table/data-table.repository';
 import { DataTableService } from '@/modules/data-table/data-table.service';
 import { DataTableNotFoundError } from '@/modules/data-table/errors/data-table-not-found.error';
+import { ProjectService } from '@/services/project.service.ee';
 import type { DataTableRequest } from '@/public-api/types';
 import * as middlewares from '@/public-api/v1/shared/middlewares/global.middleware';
 
@@ -15,22 +16,29 @@ jest.spyOn(middlewares, 'publicApiScope').mockReturnValue(mockMiddleware);
 jest.spyOn(middlewares, 'projectScope').mockReturnValue(mockMiddleware);
 jest.spyOn(middlewares, 'validCursor').mockReturnValue(mockMiddleware);
 
+const mainHandler = require('../data-tables.handler');
 const handler = require('../data-tables.rows.handler');
 
 describe('DataTable Handler', () => {
 	let mockDataTableService: jest.Mocked<DataTableService>;
 	let mockDataTableRepository: jest.Mocked<DataTableRepository>;
 	let mockProjectRepository: jest.Mocked<ProjectRepository>;
+	let mockProjectRelationRepository: jest.Mocked<ProjectRelationRepository>;
+	let mockProjectService: jest.Mocked<ProjectService>;
 	let mockResponse: Partial<Response>;
 
 	const projectId = 'test-project-id';
 	const dataTableId = 'test-data-table-id';
 	const userId = 'test-user-id';
 
+	const makeUser = (role = 'global:member') => ({ id: userId, role: { slug: role } });
+
 	beforeEach(() => {
 		mockDataTableService = mockInstance(DataTableService);
 		mockDataTableRepository = mockInstance(DataTableRepository);
 		mockProjectRepository = mockInstance(ProjectRepository);
+		mockProjectRelationRepository = mockInstance(ProjectRelationRepository);
+		mockProjectService = mockInstance(ProjectService);
 
 		jest.spyOn(Container, 'get').mockImplementation((serviceClass) => {
 			if (serviceClass === DataTableService) {
@@ -42,6 +50,12 @@ describe('DataTable Handler', () => {
 			if (serviceClass === ProjectRepository) {
 				return mockProjectRepository as any;
 			}
+			if (serviceClass === ProjectRelationRepository) {
+				return mockProjectRelationRepository as any;
+			}
+			if (serviceClass === ProjectService) {
+				return mockProjectService as any;
+			}
 			return {} as any;
 		});
 
@@ -54,14 +68,59 @@ describe('DataTable Handler', () => {
 			id: projectId,
 		} as any);
 
+		mockProjectRelationRepository.find.mockResolvedValue([]);
+
 		mockResponse = {
 			json: jest.fn().mockReturnThis(),
 			status: jest.fn().mockReturnThis(),
+			send: jest.fn().mockReturnThis(),
 		};
 
 		jest.clearAllMocks();
 	});
 
+	describe('createDataTable', () => {
+		it('should create in personal project when no projectId provided', async () => {
+			const req = {
+				body: { name: 'test-table', columns: [{ name: 'col1', type: 'string' }] },
+				user: makeUser(),
+			} as unknown as DataTableRequest.Create;
+			mockProjectRepository.getPersonalProjectForUserOrFail.mockResolvedValue({
+				id: projectId,
+			} as never);
+			mockDataTableService.createDataTable.mockResolvedValue({
+				id: dataTableId,
+				name: 'test-table',
+				columns: [],
+				project: { id: projectId },
+			} as never);
+
+			await mainHandler.createDataTable[1](req, mockResponse as Response);
+
+			expect(mockProjectRepository.getPersonalProjectForUserOrFail).toHaveBeenCalledWith(userId);
+			expect(mockDataTableService.createDataTable).toHaveBeenCalledWith(
+				projectId,
+				expect.not.objectContaining({ projectId: expect.anything() }),
+			);
+			expect(mockResponse.status).toHaveBeenCalledWith(201);
+		});
+	});
+
+	describe('listDataTables', () => {
+		it('should include personal and team projects for regular user', async () => {
+			const req = { query: {}, user: makeUser() } as unknown as DataTableRequest.List;
+			mockProjectRepository.getPersonalProjectForUserOrFail.mockResolvedValue({
+				id: projectId,
+			} as never);
+			mockDataTableService.getManyAndCount.mockResolvedValue({ data: [], count: 0 } as never);
+
+			await mainHandler.listDataTables[2](req, mockResponse as Response);
+
+			const callArgs = mockDataTableService.getManyAndCount.mock.calls[0][0];
+			expect(callArgs.filter?.projectId).toContain(projectId);
+		});
+	});
+
 	describe('getDataTableRows', () => {
 		it('should retrieve rows successfully', async () => {
 			// Arrange
diff --git a/packages/cli/src/public-api/v1/handlers/data-tables/data-tables.handler.ts b/packages/cli/src/public-api/v1/handlers/data-tables/data-tables.handler.ts
index 567a9349e3d..f275bc77551 100644
--- a/packages/cli/src/public-api/v1/handlers/data-tables/data-tables.handler.ts
+++ b/packages/cli/src/public-api/v1/handlers/data-tables/data-tables.handler.ts
@@ -1,9 +1,8 @@
 import {
 	PublicApiListDataTableQueryDto,
-	CreateDataTableDto,
+	PublicApiCreateDataTableDto,
 	UpdateDataTableDto,
 } from '@n8n/api-types';
-import { ProjectRepository, ProjectRelationRepository } from '@n8n/db';
 import { DataTableRepository } from '@/modules/data-table/data-table.repository';
 import { Container } from '@n8n/di';
 import type express from 'express';
@@ -19,6 +18,14 @@ import { DataTableService } from '@/modules/data-table/data-table.service';
 import { DataTableNotFoundError } from '@/modules/data-table/errors/data-table-not-found.error';
 import { DataTableNameConflictError } from '@/modules/data-table/errors/data-table-name-conflict.error';
 import { DataTableValidationError } from '@/modules/data-table/errors/data-table-validation.error';
+import { BadRequestError } from '@/errors/response-errors/bad-request.error';
+import { ForbiddenError } from '@/errors/response-errors/forbidden.error';
+import {
+	getProjectIdForDataTable,
+	getDataTableListFilter,
+	resolveProjectIdForCreate,
+} from './data-tables.service';
+import { ProjectService } from '@/services/project.service.ee';
 
 const handleError = (error: unknown, res: express.Response): express.Response => {
 	if (error instanceof DataTableNotFoundError) {
@@ -30,6 +37,9 @@ const handleError = (error: unknown, res: express.Response): express.Response =>
 	if (error instanceof DataTableValidationError) {
 		return res.status(400).json({ message: error.message });
 	}
+	if (error instanceof ForbiddenError) {
+		return res.status(error.httpStatusCode).json({ message: error.message });
+	}
 	if (error instanceof Error) {
 		return res.status(400).json({ message: error.message });
 	}
@@ -50,23 +60,6 @@ const stringifyQuery = (query: Record<string, unknown>): Record<string, string |
 	return result;
 };
 
-/**
- * Gets the project ID for a data table.
- * Called AFTER projectScope middleware has validated access.
- */
-const getProjectIdForDataTable = async (dataTableId: string): Promise<string> => {
-	const dataTable = await Container.get(DataTableRepository).findOne({
-		where: { id: dataTableId },
-		relations: ['project'],
-	});
-
-	if (!dataTable) {
-		throw new DataTableNotFoundError(dataTableId);
-	}
-
-	return dataTable.project.id;
-};
-
 export = {
 	listDataTables: [
 		publicApiScope('dataTable:list'),
@@ -83,35 +76,26 @@ export = {
 				const { offset, limit, filter, sortBy } = payload.data;
 
 				const providedFilter = filter ?? {};
-				const { projectId: _ignoredProjectId, ...restFilter } = providedFilter;
+				const { projectId: requestedProjectId, ...restFilter } = providedFilter;
 
 				const isGlobalOwnerOrAdmin = ['global:owner', 'global:admin'].includes(req.user.role.slug);
 
-				let finalFilter: any;
-				if (isGlobalOwnerOrAdmin) {
-					finalFilter = restFilter;
-				} else {
-					const personalProject = await Container.get(
-						ProjectRepository,
-					).getPersonalProjectForUserOrFail(req.user.id);
-
-					const projectRelations = await Container.get(ProjectRelationRepository).find({
-						where: { userId: req.user.id },
-						relations: ['project'],
-					});
-
-					const teamProjectIds = projectRelations
-						.filter((rel) => rel.project.type === 'team')
-						.map((rel) => rel.projectId);
-
-					const allAccessibleProjectIds = [personalProject.id, ...teamProjectIds];
-
-					finalFilter = {
-						...restFilter,
-						projectId: allAccessibleProjectIds,
-					};
+				if (requestedProjectId && !isGlobalOwnerOrAdmin) {
+					const projectWithScope = await Container.get(ProjectService).getProjectWithScope(
+						req.user,
+						requestedProjectId,
+						['dataTable:listProject'],
+					);
+					if (!projectWithScope) return res.json({ data: [], nextCursor: null });
 				}
 
+				const finalFilter = await getDataTableListFilter(
+					req.user.id,
+					isGlobalOwnerOrAdmin,
+					requestedProjectId,
+					restFilter,
+				);
+
 				const result = await Container.get(DataTableService).getManyAndCount({
 					skip: offset,
 					take: limit,
@@ -138,22 +122,17 @@ export = {
 	createDataTable: [
 		publicApiScope('dataTable:create'),
 		async (req: DataTableRequest.Create, res: express.Response): Promise<express.Response> => {
+			const payload = PublicApiCreateDataTableDto.safeParse(req.body);
+			if (!payload.success) {
+				throw new BadRequestError(payload.error.errors[0]?.message || 'Invalid request body');
+			}
+
+			const { projectId: requestedProjectId, ...dto } = payload.data;
+
+			const projectId = await resolveProjectIdForCreate(req.user, requestedProjectId);
+
 			try {
-				const payload = CreateDataTableDto.safeParse(req.body);
-				if (!payload.success) {
-					return res.status(400).json({
-						message: payload.error.errors[0]?.message || 'Invalid request body',
-					});
-				}
-
-				const project = await Container.get(ProjectRepository).getPersonalProjectForUserOrFail(
-					req.user.id,
-				);
-
-				const result = await Container.get(DataTableService).createDataTable(
-					project.id,
-					payload.data,
-				);
+				const result = await Container.get(DataTableService).createDataTable(projectId, dto);
 
 				const { project: _project, ...dataTable } = result;
 
diff --git a/packages/cli/src/public-api/v1/handlers/data-tables/data-tables.service.ts b/packages/cli/src/public-api/v1/handlers/data-tables/data-tables.service.ts
new file mode 100644
index 00000000000..19612697d28
--- /dev/null
+++ b/packages/cli/src/public-api/v1/handlers/data-tables/data-tables.service.ts
@@ -0,0 +1,82 @@
+import { type DataTableListFilter } from '@n8n/api-types';
+import { ProjectRepository, ProjectRelationRepository, type User } from '@n8n/db';
+import { Container } from '@n8n/di';
+
+import { DataTableRepository } from '@/modules/data-table/data-table.repository';
+import { DataTableNotFoundError } from '@/modules/data-table/errors/data-table-not-found.error';
+import { BadRequestError } from '@/errors/response-errors/bad-request.error';
+import { ForbiddenError } from '@/errors/response-errors/forbidden.error';
+import { ProjectService } from '@/services/project.service.ee';
+
+/**
+ * Gets the project ID for a data table.
+ * Called AFTER projectScope middleware has validated access.
+ */
+export async function getProjectIdForDataTable(dataTableId: string): Promise<string> {
+	const dataTable = await Container.get(DataTableRepository).findOne({
+		where: { id: dataTableId },
+		relations: ['project'],
+	});
+
+	if (!dataTable) {
+		throw new DataTableNotFoundError(dataTableId);
+	}
+
+	return dataTable.project.id;
+}
+
+export async function getDataTableListFilter(
+	userId: string,
+	isGlobalOwnerOrAdmin: boolean,
+	requestedProjectId: string | string[] | undefined,
+	restFilter: Omit<DataTableListFilter, 'projectId'>,
+): Promise<DataTableListFilter> {
+	if (requestedProjectId) {
+		return { ...restFilter, projectId: requestedProjectId };
+	}
+
+	if (isGlobalOwnerOrAdmin) {
+		return restFilter;
+	}
+
+	const personalProject =
+		await Container.get(ProjectRepository).getPersonalProjectForUserOrFail(userId);
+
+	const projectRelations = await Container.get(ProjectRelationRepository).find({
+		where: { userId },
+		relations: ['project'],
+	});
+
+	const teamProjectIds = projectRelations
+		.filter((rel) => rel.project.type === 'team')
+		.map((rel) => rel.projectId);
+
+	return {
+		...restFilter,
+		projectId: [personalProject.id, ...teamProjectIds],
+	};
+}
+
+export async function resolveProjectIdForCreate(
+	user: User,
+	requestedProjectId?: string,
+): Promise<string> {
+	if (!requestedProjectId) {
+		const project = await Container.get(ProjectRepository).getPersonalProjectForUserOrFail(user.id);
+		return project.id;
+	}
+
+	const exists = await Container.get(ProjectRepository).findOneBy({ id: requestedProjectId });
+	if (!exists) {
+		throw new BadRequestError(`Project with ID "${requestedProjectId}" not found`);
+	}
+
+	const project = await Container.get(ProjectService).getProjectWithScope(
+		user,
+		requestedProjectId,
+		['dataTable:create'],
+	);
+	if (!project) throw new ForbiddenError();
+
+	return project.id;
+}
diff --git a/packages/cli/src/public-api/v1/handlers/data-tables/spec/paths/data-tables.yml b/packages/cli/src/public-api/v1/handlers/data-tables/spec/paths/data-tables.yml
index bea52d173fb..44f8b4c9231 100644
--- a/packages/cli/src/public-api/v1/handlers/data-tables/spec/paths/data-tables.yml
+++ b/packages/cli/src/public-api/v1/handlers/data-tables/spec/paths/data-tables.yml
@@ -42,7 +42,7 @@ post:
   tags:
     - DataTable
   summary: Create a new data table
-  description: Create a new data table in your workspace.
+  description: Create a new data table in your personal project or a team project you have access to.
   operationId: create-data-table
   requestBody:
     required: true
@@ -50,15 +50,28 @@ post:
       application/json:
         schema:
           $ref: '../schemas/createDataTableRequest.yml'
-        example:
-          name: 'customers'
-          columns:
-            - name: 'email'
-              type: 'string'
-            - name: 'status'
-              type: 'string'
-            - name: 'age'
-              type: 'number'
+        examples:
+          personalProject:
+            summary: Default (personal project)
+            value:
+              name: 'customers'
+              columns:
+                - name: 'email'
+                  type: 'string'
+                - name: 'status'
+                  type: 'string'
+                - name: 'age'
+                  type: 'number'
+          scopedProject:
+            summary: Explicit project
+            value:
+              name: 'customers'
+              projectId: 'a1b2c3d4'
+              columns:
+                - name: 'email'
+                  type: 'string'
+                - name: 'status'
+                  type: 'string'
   responses:
     '201':
       description: Data table created successfully
@@ -70,6 +83,8 @@ post:
       $ref: '../../../../shared/spec/responses/badRequest.yml'
     '401':
       $ref: '../../../../shared/spec/responses/unauthorized.yml'
+    '403':
+      $ref: '../../../../shared/spec/responses/forbidden.yml'
     '409':
       $ref: '../../../../shared/spec/responses/conflict.yml'
   security:
diff --git a/packages/cli/src/public-api/v1/handlers/data-tables/spec/schemas/createDataTableRequest.yml b/packages/cli/src/public-api/v1/handlers/data-tables/spec/schemas/createDataTableRequest.yml
index 3d2f9bdbc87..44ce2cd0324 100644
--- a/packages/cli/src/public-api/v1/handlers/data-tables/spec/schemas/createDataTableRequest.yml
+++ b/packages/cli/src/public-api/v1/handlers/data-tables/spec/schemas/createDataTableRequest.yml
@@ -22,6 +22,10 @@ properties:
       required:
         - name
         - type
+  projectId:
+    type: string
+    description: |
+      ID of the project to create the table in. When omitted, the table is created in the user's personal project.
 required:
   - name
   - columns
diff --git a/packages/cli/src/services/project.service.ee.ts b/packages/cli/src/services/project.service.ee.ts
index 0cbc8af4586..1be98a14ca8 100644
--- a/packages/cli/src/services/project.service.ee.ts
+++ b/packages/cli/src/services/project.service.ee.ts
@@ -591,7 +591,10 @@ export class ProjectService {
 
 		if (!hasGlobalScope(user, scopes, { mode: 'allOf' })) {
 			const projectRoles = await this.roleService.rolesWithScope('project', scopes);
-			where.type = 'team';
+			// if we're not checking specific projects, restrict to team projects
+			if (!projectIds) {
+				where.type = 'team';
+			}
 			where.projectRelations = {
 				role: In(projectRoles),
 				userId: user.id,
diff --git a/packages/cli/test/integration/public-api/data-tables.test.ts b/packages/cli/test/integration/public-api/data-tables.test.ts
index 36f83028d29..f929b03a89c 100644
--- a/packages/cli/test/integration/public-api/data-tables.test.ts
+++ b/packages/cli/test/integration/public-api/data-tables.test.ts
@@ -1540,3 +1540,93 @@ describe('Filter Parameter Validation', () => {
 		});
 	});
 });
+
+describe('POST /data-tables with projectId', () => {
+	beforeEach(() => {
+		testServer.license.setQuota('quota:maxTeamProjects', -1);
+		testServer.license.enable('feat:projectRole:admin');
+	});
+
+	test('should create a table in the specified team project when user is a member', async () => {
+		const teamProject = await createTeamProject('Team Create');
+		await linkUserToProject(member, teamProject, 'project:editor');
+
+		const response = await authMemberAgent.post('/data-tables').send({
+			name: 'team-table',
+			columns: [{ name: 'col1', type: 'string' }],
+			projectId: teamProject.id,
+		});
+
+		expect(response.statusCode).toBe(201);
+		expect(response.body).toHaveProperty('id');
+		expect(response.body).toHaveProperty('name', 'team-table');
+		expect(response.body).toHaveProperty('projectId', teamProject.id);
+		expect(response.body).not.toHaveProperty('project');
+	});
+
+	test('should return 403 when user is not a member of the specified project', async () => {
+		const teamProject = await createTeamProject('Team No Access');
+		// member is NOT added to teamProject
+
+		const response = await authMemberAgent.post('/data-tables').send({
+			name: 'unauthorized-table',
+			columns: [{ name: 'col1', type: 'string' }],
+			projectId: teamProject.id,
+		});
+
+		expect(response.statusCode).toBe(403);
+	});
+});
+
+describe('GET /data-tables with projectId filter', () => {
+	beforeEach(() => {
+		testServer.license.setQuota('quota:maxTeamProjects', -1);
+		testServer.license.enable('feat:projectRole:admin');
+	});
+
+	test('should return only tables from the specified team project when user is a member', async () => {
+		const teamProject = await createTeamProject('Team Filter');
+		await linkUserToProject(member, teamProject, 'project:viewer');
+
+		await createDataTable(memberPersonalProject, {
+			name: 'personal-table',
+			columns: [{ name: 'col', type: 'string' }],
+		});
+		await createDataTable(teamProject, {
+			name: 'team-table',
+			columns: [{ name: 'col', type: 'string' }],
+		});
+
+		const filter = JSON.stringify({ projectId: teamProject.id });
+		const response = await authMemberAgent.get('/data-tables').query({ filter });
+
+		expect(response.statusCode).toBe(200);
+		expect(response.body.data).toHaveLength(1);
+		expect(response.body.data[0].name).toBe('team-table');
+	});
+
+	test('should return empty results when filtering by a project the user is not a member of', async () => {
+		const teamProject = await createTeamProject('Team No Filter Access');
+		// member is NOT added to teamProject
+
+		const filter = JSON.stringify({ projectId: teamProject.id });
+		const response = await authMemberAgent.get('/data-tables').query({ filter });
+
+		expect(response.statusCode).toBe(200);
+		expect(response.body.data).toHaveLength(0);
+	});
+
+	test('should allow filtering by the user personal project id', async () => {
+		await createDataTable(memberPersonalProject, {
+			name: 'personal-only-table',
+			columns: [{ name: 'col', type: 'string' }],
+		});
+
+		const filter = JSON.stringify({ projectId: memberPersonalProject.id });
+		const response = await authMemberAgent.get('/data-tables').query({ filter });
+
+		expect(response.statusCode).toBe(200);
+		expect(response.body.data).toHaveLength(1);
+		expect(response.body.data[0].name).toBe('personal-only-table');
+	});
+});